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authorKoen Kooi <koen@openembedded.org>2008-07-22 08:33:45 +0000
committerKoen Kooi <koen@openembedded.org>2008-07-22 08:33:45 +0000
commitf8a4782d36b59b457c49a86d6630de7a8699e36b (patch)
tree0407d53d291406e55b24b9af88ae0e56374b5eed /packages/linux/linux-omap2-git
parentb6ecf118e3a541c4a6ab2abcf9b4a18d40e33469 (diff)
downloadopenembedded-f8a4782d36b59b457c49a86d6630de7a8699e36b.tar.gz
linux omap2 git: update TWL4030 patches for beagle, add mrus clock patches
Diffstat (limited to 'packages/linux/linux-omap2-git')
-rw-r--r--packages/linux/linux-omap2-git/beagleboard/TWL4030-01.patch49
-rw-r--r--packages/linux/linux-omap2-git/beagleboard/TWL4030-02.patch49
-rw-r--r--packages/linux/linux-omap2-git/beagleboard/TWL4030-03.patch50
-rw-r--r--packages/linux/linux-omap2-git/beagleboard/TWL4030-04.patch49
-rw-r--r--packages/linux/linux-omap2-git/beagleboard/TWL4030-05.patch208
-rw-r--r--packages/linux/linux-omap2-git/beagleboard/TWL4030-06.patch83
-rw-r--r--packages/linux/linux-omap2-git/beagleboard/TWL4030-07.patch62
-rw-r--r--packages/linux/linux-omap2-git/beagleboard/TWL4030-08.patch231
-rw-r--r--packages/linux/linux-omap2-git/beagleboard/TWL4030-09.patch258
-rw-r--r--packages/linux/linux-omap2-git/beagleboard/mru-clocks1.diff25
-rw-r--r--packages/linux/linux-omap2-git/beagleboard/mru-clocks2.diff62
11 files changed, 514 insertions, 612 deletions
diff --git a/packages/linux/linux-omap2-git/beagleboard/TWL4030-01.patch b/packages/linux/linux-omap2-git/beagleboard/TWL4030-01.patch
index b6142ea1f5..c361c33d61 100644
--- a/packages/linux/linux-omap2-git/beagleboard/TWL4030-01.patch
+++ b/packages/linux/linux-omap2-git/beagleboard/TWL4030-01.patch
@@ -1,42 +1,6 @@
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-From: Paul Walmsley <paul@pwsan.com>
-Subject: [PATCH 1/9] TWL4030: remove superfluous PWR interrupt status clear
- before masking
-To: linux-omap@vger.kernel.org
-Date: Thu, 17 Jul 2008 19:34:49 -0600
-Message-ID: <20080718013448.18943.6984.stgit@localhost.localdomain>
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+TWL4030: remove superfluous PWR interrupt status clear before masking
+
+From: Paul Walmsley <paul@pwsan.com>
twl_irq_init() clears PWR interrupt status bits, then masks the interrupts
off, then clears the PWR interrupt status bits again. The first clear
@@ -77,10 +41,3 @@ index adc45d4..ff662bc 100644
/* PWR_IMR1 */
res = twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xFF, 0x1);
if (res < 0) {
-
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diff --git a/packages/linux/linux-omap2-git/beagleboard/TWL4030-02.patch b/packages/linux/linux-omap2-git/beagleboard/TWL4030-02.patch
index 18b2f589c1..48a59b945b 100644
--- a/packages/linux/linux-omap2-git/beagleboard/TWL4030-02.patch
+++ b/packages/linux/linux-omap2-git/beagleboard/TWL4030-02.patch
@@ -1,42 +1,6 @@
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-From: Paul Walmsley <paul@pwsan.com>
-Subject: [PATCH 2/9] TWL4030: clear TWL GPIO interrupt status registers
-To: linux-omap@vger.kernel.org
-Date: Thu, 17 Jul 2008 19:34:50 -0600
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+TWL4030: clear TWL GPIO interrupt status registers
+
+From: Paul Walmsley <paul@pwsan.com>
twl_init_irq() does not clear the TWL GPIO ISR registers, but the PIH
ISR thinks that it has. This causes any previously-latched GPIO interrupts
@@ -105,10 +69,3 @@ index ff662bc..dfc3805 100644
/* install an irq handler for each of the PIH modules */
for (i = TWL4030_IRQ_BASE; i < TWL4030_IRQ_END; i++) {
set_irq_chip(i, &twl4030_irq_chip);
-
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diff --git a/packages/linux/linux-omap2-git/beagleboard/TWL4030-03.patch b/packages/linux/linux-omap2-git/beagleboard/TWL4030-03.patch
index 062d99fe5a..fe1bea5398 100644
--- a/packages/linux/linux-omap2-git/beagleboard/TWL4030-03.patch
+++ b/packages/linux/linux-omap2-git/beagleboard/TWL4030-03.patch
@@ -1,43 +1,6 @@
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-From: Paul Walmsley <paul@pwsan.com>
-Subject: [PATCH 3/9] TWL4030: use correct register addresses for BCI IMR
- registers
-To: linux-omap@vger.kernel.org
-Date: Thu, 17 Jul 2008 19:34:50 -0600
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+TWL4030: use correct register addresses for BCI IMR registers
+
+From: Paul Walmsley <paul@pwsan.com>
The existing code to mask and clear BCI interrupts in twl_init_irq() is
wrong. It uses the wrong register offsets, it does not mask all of the
@@ -117,10 +80,3 @@ index dfc3805..bb0732c 100644
if (res < 0) {
pr_err("%s[%d][%d]\n", msg, res, __LINE__);
return;
-
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diff --git a/packages/linux/linux-omap2-git/beagleboard/TWL4030-04.patch b/packages/linux/linux-omap2-git/beagleboard/TWL4030-04.patch
index 12d76bfb23..fb65ac98bb 100644
--- a/packages/linux/linux-omap2-git/beagleboard/TWL4030-04.patch
+++ b/packages/linux/linux-omap2-git/beagleboard/TWL4030-04.patch
@@ -1,42 +1,6 @@
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-From: Paul Walmsley <paul@pwsan.com>
-Subject: [PATCH 4/9] TWL4030: clear MADC interrupt status registers upon init
-To: linux-omap@vger.kernel.org
-Date: Thu, 17 Jul 2008 19:34:51 -0600
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+TWL4030: clear MADC interrupt status registers upon init
+
+From: Paul Walmsley <paul@pwsan.com>
twl_init_irq() does not clear MADC interrupt status registers upon init -
fix.
@@ -72,10 +36,3 @@ index bb0732c..9d93524 100644
/* key Pad */
/* KEYPAD - IMR1 */
res = twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xFF, (0x12));
-
-
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diff --git a/packages/linux/linux-omap2-git/beagleboard/TWL4030-05.patch b/packages/linux/linux-omap2-git/beagleboard/TWL4030-05.patch
index b41c836711..02a72ed9df 100644
--- a/packages/linux/linux-omap2-git/beagleboard/TWL4030-05.patch
+++ b/packages/linux/linux-omap2-git/beagleboard/TWL4030-05.patch
@@ -1,68 +1,54 @@
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-From: Paul Walmsley <paul@pwsan.com>
-Subject: [PATCH 5/9] TWL4030: read and write module ISRs to clear them at init
-To: linux-omap@vger.kernel.org
-Date: Thu, 17 Jul 2008 19:34:52 -0600
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+TWL4030: use *_SIH_CTRL.COR bit to determine whether to read or write ISR to clear
+
+From: Paul Walmsley <paul@pwsan.com>
TWL4030 interrupt status register bits can be cleared in one of two ways:
either by reading from the register, or by writing a 1 to the
appropriate bit(s) in the register. This behavior can be altered at any
time by the <twlmodule>_SIH_CTRL.COR register bit ("clear-on-read").
-twl4030-core.c does not touch these *_SIH_CTRL registers during boot,
-and the TWL4030 TRM is deeply confused as to whether COR=1 means that
-the registers are cleared on reads, or cleared on writes.
+The TWL4030 TRM is deeply confused as to whether COR=1 means that the
+registers are cleared on reads, or cleared on writes. Peter De
+Schrijver <peter.de-schrijver> confirms that COR=1 means that the registers
+are cleared on read.
+
+So, for each TWL4030 SIH, check the value of the *_SIH_CTRL.COR bit, and if
+it is 1, use reads to clear the ISRs; if it is 0, use writes.
+
+Also, use WARN_ON() to warn if the read/write failed, and don't skip
+the rest of the initialization on failure either.
+
+Thanks to Peter for his help with this patch.
-So, take the cautious way out and both read from and write to the TWL4030
-module ISRs to clear them at startup. Also, use WARN_ON() to warn if the
-read/write failed, and don't skip the rest of the initialization on failure
-either.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
- drivers/i2c/chips/twl4030-core.c | 128 +++++++++++++++-----------------------
- 1 files changed, 51 insertions(+), 77 deletions(-)
+ drivers/i2c/chips/twl4030-core.c | 183 ++++++++++++++++++++++----------------
+ 1 files changed, 106 insertions(+), 77 deletions(-)
diff --git a/drivers/i2c/chips/twl4030-core.c b/drivers/i2c/chips/twl4030-core.c
-index 9d93524..615fb84 100644
+index 9d93524..eae0634 100644
--- a/drivers/i2c/chips/twl4030-core.c
+++ b/drivers/i2c/chips/twl4030-core.c
-@@ -712,6 +712,28 @@ static int power_companion_init(void)
+@@ -133,6 +133,16 @@
+ /* on I2C-1 for 2430SDP */
+ #define CONFIG_I2C_TWL4030_ID 1
+
++/* SIH_CTRL registers */
++#define TWL4030_INT_PWR_SIH_CTRL 0x07
++#define TWL4030_INTERRUPTS_BCISIHCTRL 0x0d
++#define TWL4030_MADC_MADC_SIH_CTRL 0x67
++#define TWL4030_KEYPAD_KEYP_SIH_CTRL 0x17
++#define TWL4030_GPIO_GPIO_SIH_CTRL 0x2d
++
++#define TWL4030_SIH_CTRL_COR_MASK (1 << 2)
++
++
+ /* Helper functions */
+ static int
+ twl4030_detect_client(struct i2c_adapter *adapter, unsigned char sid);
+@@ -712,13 +722,61 @@ static int power_companion_init(void)
return e;
}
@@ -70,28 +56,46 @@ index 9d93524..615fb84 100644
+ * twl4030_i2c_clear_isr - clear TWL4030 SIH ISR regs via read + write
+ * @mod_no: TWL4030 module number
+ * @reg: register index to clear
++ * @cor: value of the <module>_SIH_CTRL.COR bit (1 or 0)
+ *
-+ * Reads, then writes 0xff to a TWL4030 interrupt status register to ensure
-+ * that interrupts are cleared. The read + write is necessary since we
-+ * don't know whether the COR bit is set in <module>_SIH_CTRL. Returns
-+ * the status from the I2C read operation.
++ * Either reads (cor == 1) or writes (cor == 0) to a TWL4030 interrupt
++ * status register to ensure that any prior interrupts are cleared.
++ * Returns the status from the I2C read operation.
+ */
-+static int twl4030_i2c_clear_isr(u8 mod_no, u8 reg)
++static int twl4030_i2c_clear_isr(u8 mod_no, u8 reg, u8 cor)
+{
-+ int res;
+ u8 tmp;
+
-+ res = twl4030_i2c_read_u8(mod_no, &tmp, reg);
-+ if (res < 0)
-+ return res;
++ return (cor) ? twl4030_i2c_read_u8(mod_no, &tmp, reg) :
++ twl4030_i2c_write_u8(mod_no, 0xff, reg);
++}
++
++/**
++ * twl4030_read_cor_bit - are TWL module ISRs cleared by reads or writes?
++ * @mod_no: TWL4030 module number
++ * @reg: register index to clear
++ *
++ * Returns 1 if the TWL4030 SIH interrupt status registers (ISRs) for
++ * the specified TWL module are cleared by reads, or 0 if cleared by
++ * writes.
++ */
++static int twl4030_read_cor_bit(u8 mod_no, u8 reg)
++{
++ u8 tmp = 0;
++
++ WARN_ON(twl4030_i2c_read_u8(mod_no, &tmp, reg) < 0);
++
++ tmp &= TWL4030_SIH_CTRL_COR_MASK;
++ tmp >>= __ffs(TWL4030_SIH_CTRL_COR_MASK);
+
-+ return twl4030_i2c_write_u8(mod_no, 0xff, reg);
++ return tmp;
+}
+
static void twl_init_irq(void)
{
int i = 0;
-@@ -719,6 +741,13 @@ static void twl_init_irq(void)
+ int res = 0;
++ int cor;
char *msg = "Unable to register interrupt subsystem";
unsigned int irq_num;
@@ -102,19 +106,27 @@ index 9d93524..615fb84 100644
+ * handlers present.
+ */
+
++
/* PWR_IMR1 */
res = twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xFF, 0x1);
if (res < 0) {
-@@ -735,19 +764,11 @@ static void twl_init_irq(void)
+@@ -734,20 +792,18 @@ static void twl_init_irq(void)
+ }
/* Clear off any other pending interrupts on power */
++
++ /* Are PWR interrupt status bits cleared by reads or writes? */
++ cor = twl4030_read_cor_bit(TWL4030_MODULE_INT,
++ TWL4030_INT_PWR_SIH_CTRL);
++ WARN_ON(cor < 0);
++
/* PWR_ISR1 */
- res = twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xFF, 0x00);
- if (res < 0) {
- pr_err("%s[%d][%d]\n", msg, res, __LINE__);
- return;
- }
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INT, 0x00) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INT, 0x00, cor) < 0);
/* PWR_ISR2 */
- res = twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xFF, 0x02);
@@ -123,21 +135,27 @@ index 9d93524..615fb84 100644
- return;
- }
- /* POWER HACK (END) */
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INT, 0x02) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INT, 0x02, cor) < 0);
+
/* Slave address 0x4A */
/* BCIIMR1A */
-@@ -779,32 +800,16 @@ static void twl_init_irq(void)
+@@ -778,33 +834,22 @@ static void twl_init_irq(void)
+ return;
}
++ /* Are BCI interrupt status bits cleared by reads or writes? */
++ cor = twl4030_read_cor_bit(TWL4030_MODULE_INTERRUPTS,
++ TWL4030_INTERRUPTS_BCISIHCTRL);
++ WARN_ON(cor < 0);
++
/* BCIISR1A */
- res = twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xFF, 0x0);
- if (res < 0) {
- pr_err("%s[%d][%d]\n", msg, res, __LINE__);
- return;
- }
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x0) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x0, cor) < 0);
/* BCIISR2A */
- res = twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xFF, 0x1);
@@ -145,7 +163,7 @@ index 9d93524..615fb84 100644
- pr_err("%s[%d][%d]\n", msg, res, __LINE__);
- return;
- }
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x1) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x1, cor) < 0);
/* BCIISR1B */
- res = twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xFF, 0x4);
@@ -153,7 +171,7 @@ index 9d93524..615fb84 100644
- pr_err("%s[%d][%d]\n", msg, res, __LINE__);
- return;
- }
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x4) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x4, cor) < 0);
/* BCIISR2B */
- res = twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xFF, 0x5);
@@ -161,20 +179,26 @@ index 9d93524..615fb84 100644
- pr_err("%s[%d][%d]\n", msg, res, __LINE__);
- return;
- }
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x5) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x5, cor) < 0);
/* MAD C */
/* MADC_IMR1 */
-@@ -822,18 +827,10 @@ static void twl_init_irq(void)
+@@ -821,19 +866,16 @@ static void twl_init_irq(void)
+ return;
}
++ /* Are MADC interrupt status bits cleared by reads or writes? */
++ cor = twl4030_read_cor_bit(TWL4030_MODULE_MADC,
++ TWL4030_MADC_MADC_SIH_CTRL);
++ WARN_ON(cor < 0);
++
/* MADC_ISR1 */
- res = twl4030_i2c_write_u8(TWL4030_MODULE_MADC, 0xFF, 0x61);
- if (res < 0) {
- pr_err("%s[%d][%d]\n", msg, res, __LINE__);
- return;
- }
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_MADC, 0x61) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_MADC, 0x61, cor) < 0);
/* MADC_ISR2 */
- res = twl4030_i2c_write_u8(TWL4030_MODULE_MADC, 0xFF, 0x63);
@@ -182,11 +206,11 @@ index 9d93524..615fb84 100644
- pr_err("%s[%d][%d]\n", msg, res, __LINE__);
- return;
- }
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_MADC, 0x63) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_MADC, 0x63, cor) < 0);
/* key Pad */
/* KEYPAD - IMR1 */
-@@ -842,12 +839,10 @@ static void twl_init_irq(void)
+@@ -842,12 +884,15 @@ static void twl_init_irq(void)
pr_err("%s[%d][%d]\n", msg, res, __LINE__);
return;
}
@@ -197,32 +221,43 @@ index 9d93524..615fb84 100644
- twl4030_i2c_read_u8(TWL4030_MODULE_KEYPAD, &clear, 0x11);
- }
+
++ /* Are keypad interrupt status bits cleared by reads or writes? */
++ cor = twl4030_read_cor_bit(TWL4030_MODULE_KEYPAD,
++ TWL4030_KEYPAD_KEYP_SIH_CTRL);
++ WARN_ON(cor < 0);
++
+ /* KEYPAD - ISR1 */
+ /* XXX does this still need to be done twice for some reason? */
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD, 0x11) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD, 0x11, cor) < 0);
/* KEYPAD - IMR2 */
res = twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xFF, (0x14));
-@@ -856,6 +851,9 @@ static void twl_init_irq(void)
+@@ -856,6 +901,9 @@ static void twl_init_irq(void)
return;
}
+ /* KEYPAD - ISR2 */
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD, 0x13) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD, 0x13, cor) < 0);
+
/* Slave address 0x49 */
/* GPIO_IMR1A */
res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xFF, (0x1C));
-@@ -900,46 +898,22 @@ static void twl_init_irq(void)
+@@ -899,47 +947,28 @@ static void twl_init_irq(void)
+ return;
}
++ /* Are GPIO interrupt status bits cleared by reads or writes? */
++ cor = twl4030_read_cor_bit(TWL4030_MODULE_GPIO,
++ TWL4030_GPIO_GPIO_SIH_CTRL);
++ WARN_ON(cor < 0);
++
/* GPIO_ISR1A */
- res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x19);
- if (res < 0) {
- pr_err("%s[%d][%d]\n", msg, res, __LINE__);
- return;
- }
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x19) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x19, cor) < 0);
/* GPIO_ISR2A */
- res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x1a);
@@ -230,7 +265,7 @@ index 9d93524..615fb84 100644
- pr_err("%s[%d][%d]\n", msg, res, __LINE__);
- return;
- }
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x1a) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x1a, cor) < 0);
/* GPIO_ISR3A */
- res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x1b);
@@ -238,7 +273,7 @@ index 9d93524..615fb84 100644
- pr_err("%s[%d][%d]\n", msg, res, __LINE__);
- return;
- }
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x1b) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x1b, cor) < 0);
/* GPIO_ISR1B */
- res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x1f);
@@ -246,7 +281,7 @@ index 9d93524..615fb84 100644
- pr_err("%s[%d][%d]\n", msg, res, __LINE__);
- return;
- }
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x1f) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x1f, cor) < 0);
/* GPIO_ISR2B */
- res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x20);
@@ -254,7 +289,7 @@ index 9d93524..615fb84 100644
- pr_err("%s[%d][%d]\n", msg, res, __LINE__);
- return;
- }
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x20) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x20, cor) < 0);
/* GPIO_ISR3B */
- res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x21);
@@ -262,14 +297,7 @@ index 9d93524..615fb84 100644
- pr_err("%s[%d][%d]\n", msg, res, __LINE__);
- return;
- }
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x21) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x21, cor) < 0);
/* install an irq handler for each of the PIH modules */
for (i = TWL4030_IRQ_BASE; i < TWL4030_IRQ_END; i++) {
-
-
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diff --git a/packages/linux/linux-omap2-git/beagleboard/TWL4030-06.patch b/packages/linux/linux-omap2-git/beagleboard/TWL4030-06.patch
index 501437a365..67b837c454 100644
--- a/packages/linux/linux-omap2-git/beagleboard/TWL4030-06.patch
+++ b/packages/linux/linux-omap2-git/beagleboard/TWL4030-06.patch
@@ -1,41 +1,6 @@
-X-Mozilla-Status: 0001
-X-Mozilla-Status2: 00000000
-Return-Path: <linux-omap-owner@vger.kernel.org>
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- autolearn=ham version=3.2.1
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-From: Paul Walmsley <paul@pwsan.com>
-Subject: [PATCH 6/9] TWL4030: change init-time IMR mask code to WARN if error
-To: linux-omap@vger.kernel.org
-Date: Thu, 17 Jul 2008 19:34:53 -0600
-Message-ID: <20080718013452.18943.96350.stgit@localhost.localdomain>
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+TWL4030: change init-time IMR mask code to WARN if error
+
+From: Paul Walmsley <paul@pwsan.com>
twl_init_irq() prints error messages and returns if any interrupt mask
register writes fail. Change this to generate a warning traceback and
@@ -50,11 +15,11 @@ Signed-off-by: Paul Walmsley <paul@pwsan.com>
1 files changed, 18 insertions(+), 82 deletions(-)
diff --git a/drivers/i2c/chips/twl4030-core.c b/drivers/i2c/chips/twl4030-core.c
-index 615fb84..1906635 100644
+index eae0634..99cc143 100644
--- a/drivers/i2c/chips/twl4030-core.c
+++ b/drivers/i2c/chips/twl4030-core.c
-@@ -749,18 +749,10 @@ static void twl_init_irq(void)
- */
+@@ -778,18 +778,10 @@ static void twl_init_irq(void)
+
/* PWR_IMR1 */
- res = twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xFF, 0x1);
@@ -73,8 +38,8 @@ index 615fb84..1906635 100644
+ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xff, 0x3) < 0);
/* Clear off any other pending interrupts on power */
- /* PWR_ISR1 */
-@@ -772,32 +764,16 @@ static void twl_init_irq(void)
+
+@@ -807,32 +799,16 @@ static void twl_init_irq(void)
/* Slave address 0x4A */
/* BCIIMR1A */
@@ -111,9 +76,9 @@ index 615fb84..1906635 100644
- }
+ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xff, 0x7) < 0);
- /* BCIISR1A */
- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x0) < 0);
-@@ -813,18 +789,10 @@ static void twl_init_irq(void)
+ /* Are BCI interrupt status bits cleared by reads or writes? */
+ cor = twl4030_read_cor_bit(TWL4030_MODULE_INTERRUPTS,
+@@ -853,18 +829,10 @@ static void twl_init_irq(void)
/* MAD C */
/* MADC_IMR1 */
@@ -132,9 +97,9 @@ index 615fb84..1906635 100644
- }
+ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_MADC, 0xff, 0x64) < 0);
- /* MADC_ISR1 */
- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_MADC, 0x61) < 0);
-@@ -834,68 +802,36 @@ static void twl_init_irq(void)
+ /* Are MADC interrupt status bits cleared by reads or writes? */
+ cor = twl4030_read_cor_bit(TWL4030_MODULE_MADC,
+@@ -879,11 +847,7 @@ static void twl_init_irq(void)
/* key Pad */
/* KEYPAD - IMR1 */
@@ -145,9 +110,10 @@ index 615fb84..1906635 100644
- }
+ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xff, 0x12) < 0);
- /* KEYPAD - ISR1 */
- /* XXX does this still need to be done twice for some reason? */
- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD, 0x11) < 0);
+ /* Are keypad interrupt status bits cleared by reads or writes? */
+ cor = twl4030_read_cor_bit(TWL4030_MODULE_KEYPAD,
+@@ -895,57 +859,29 @@ static void twl_init_irq(void)
+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD, 0x11, cor) < 0);
/* KEYPAD - IMR2 */
- res = twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xFF, (0x14));
@@ -158,7 +124,7 @@ index 615fb84..1906635 100644
+ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xff, 0x14) < 0);
/* KEYPAD - ISR2 */
- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD, 0x13) < 0);
+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD, 0x13, cor) < 0);
/* Slave address 0x49 */
/* GPIO_IMR1A */
@@ -209,12 +175,5 @@ index 615fb84..1906635 100644
- }
+ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x24) < 0);
- /* GPIO_ISR1A */
- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x19) < 0);
-
-
---
-To unsubscribe from this list: send the line "unsubscribe linux-omap" in
-the body of a message to majordomo@vger.kernel.org
-More majordomo info at http://vger.kernel.org/majordomo-info.html
-
+ /* Are GPIO interrupt status bits cleared by reads or writes? */
+ cor = twl4030_read_cor_bit(TWL4030_MODULE_GPIO,
diff --git a/packages/linux/linux-omap2-git/beagleboard/TWL4030-07.patch b/packages/linux/linux-omap2-git/beagleboard/TWL4030-07.patch
index 2847e84f62..8e4c4d6be4 100644
--- a/packages/linux/linux-omap2-git/beagleboard/TWL4030-07.patch
+++ b/packages/linux/linux-omap2-git/beagleboard/TWL4030-07.patch
@@ -1,50 +1,13 @@
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- DK_POLICY_SIGNSOME,RCVD_IN_DNSWL_MED autolearn=ham version=3.2.2
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-From: Paul Walmsley <paul@pwsan.com>
-Subject: [PATCH 7/9] TWL4030: move TWL module register defs into separate
- include files
-To: linux-omap@vger.kernel.org
-Date: Thu, 17 Jul 2008 19:34:54 -0600
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+TWL4030: move TWL module register defs into separate include files
-twl_init_irq() accesses TWL module IMR and ISR registers. Currently, it
-uses "magic numbers" for these register indices, but symbolic constants
-are definitely preferred. Rather than duplicating already existing
-symbolic constants in twl4030-gpio.c and twl4030-pwrirq.c, move the
-existing constants out into include files. This patch should not change
-kernel behavior.
+From: Paul Walmsley <paul@pwsan.com>
+
+twl_init_irq() uses "magic numbers" to access TWL module IMR and ISR
+registers. Symbolic constants are definitely preferred.
+
+Rather than duplicating already existing symbolic constants in
+twl4030-gpio.c and twl4030-pwrirq.c, move the existing constants out
+into include files. This patch should not change kernel behavior.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
@@ -309,10 +272,3 @@ index 0000000..7a13368
+#define TWL4030_INT_PWR_SIH_CTRL 0x7
+
+#endif /* End of __TWL4030_PWRIRQ_H */
-
-
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diff --git a/packages/linux/linux-omap2-git/beagleboard/TWL4030-08.patch b/packages/linux/linux-omap2-git/beagleboard/TWL4030-08.patch
index 713eebffd6..9af25a762d 100644
--- a/packages/linux/linux-omap2-git/beagleboard/TWL4030-08.patch
+++ b/packages/linux/linux-omap2-git/beagleboard/TWL4030-08.patch
@@ -1,43 +1,6 @@
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-MBOX-Line: From nobody Thu Jul 17 19:34:55 2008
-From: Paul Walmsley <paul@pwsan.com>
-Subject: [PATCH 8/9] TWL4030: use symbolic ISR/IMR register names during
- twl_init_irq()
-To: linux-omap@vger.kernel.org
-Date: Thu, 17 Jul 2008 19:34:55 -0600
-Message-ID: <20080718013454.18943.7428.stgit@localhost.localdomain>
-In-Reply-To: <20080718013205.18943.34047.stgit@localhost.localdomain>
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+TWL4030: use symbolic ISR/IMR register names during twl_init_irq()
+
+From: Paul Walmsley <paul@pwsan.com>
twl_init_irq() uses a bunch of magic numbers as register indices; this
has already led to several errors, fixed earlier in this patch series.
@@ -47,11 +10,11 @@ not change kernel behavior.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
- drivers/i2c/chips/twl4030-core.c | 181 +++++++++++++++++++-------------------
- 1 files changed, 89 insertions(+), 92 deletions(-)
+ drivers/i2c/chips/twl4030-core.c | 188 +++++++++++++++++++-------------------
+ 1 files changed, 96 insertions(+), 92 deletions(-)
diff --git a/drivers/i2c/chips/twl4030-core.c b/drivers/i2c/chips/twl4030-core.c
-index 1906635..5855f5f 100644
+index 99cc143..38c227a 100644
--- a/drivers/i2c/chips/twl4030-core.c
+++ b/drivers/i2c/chips/twl4030-core.c
@@ -40,6 +40,9 @@
@@ -88,10 +51,25 @@ index 1906635..5855f5f 100644
/* Triton Core internal information (END) */
/* Few power values */
-@@ -748,108 +768,85 @@ static void twl_init_irq(void)
+@@ -133,12 +153,10 @@
+ /* on I2C-1 for 2430SDP */
+ #define CONFIG_I2C_TWL4030_ID 1
+
+-/* SIH_CTRL registers */
+-#define TWL4030_INT_PWR_SIH_CTRL 0x07
++/* SIH_CTRL registers that aren't defined elsewhere */
+ #define TWL4030_INTERRUPTS_BCISIHCTRL 0x0d
+ #define TWL4030_MADC_MADC_SIH_CTRL 0x67
+ #define TWL4030_KEYPAD_KEYP_SIH_CTRL 0x17
+-#define TWL4030_GPIO_GPIO_SIH_CTRL 0x2d
+
+ #define TWL4030_SIH_CTRL_COR_MASK (1 << 2)
+
+@@ -776,135 +794,121 @@ static void twl_init_irq(void)
* handlers present.
*/
+-
- /* PWR_IMR1 */
- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xff, 0x1) < 0);
-
@@ -99,21 +77,27 @@ index 1906635..5855f5f 100644
- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xff, 0x3) < 0);
-
- /* Clear off any other pending interrupts on power */
-- /* PWR_ISR1 */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INT, 0x00) < 0);
--
-- /* PWR_ISR2 */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INT, 0x02) < 0);
+ /* Mask INT (PWR) interrupts at TWL4030 */
+ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xff,
+ TWL4030_INT_PWR_IMR1) < 0);
+ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xff,
+ TWL4030_INT_PWR_IMR2) < 0);
+
+ /* Are PWR interrupt status bits cleared by reads or writes? */
+ cor = twl4030_read_cor_bit(TWL4030_MODULE_INT,
+ TWL4030_INT_PWR_SIH_CTRL);
+ WARN_ON(cor < 0);
+
+- /* PWR_ISR1 */
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INT, 0x00, cor) < 0);
+-
+- /* PWR_ISR2 */
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INT, 0x02, cor) < 0);
+ /* Clear TWL4030 INT (PWR) ISRs */
+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INT,
-+ TWL4030_INT_PWR_ISR1) < 0);
++ TWL4030_INT_PWR_ISR1, cor) < 0);
+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INT,
-+ TWL4030_INT_PWR_ISR2) < 0);
++ TWL4030_INT_PWR_ISR2, cor) < 0);
/* Slave address 0x4A */
@@ -128,18 +112,6 @@ index 1906635..5855f5f 100644
-
- /* BCIIMR2B */
- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xff, 0x7) < 0);
--
-- /* BCIISR1A */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x0) < 0);
--
-- /* BCIISR2A */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x1) < 0);
--
-- /* BCIISR1B */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x4) < 0);
--
-- /* BCIISR2B */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x5) < 0);
+ /* Mask BCI interrupts at TWL4030 */
+ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xff,
+ TWL4030_INTERRUPTS_BCIIMR1A) < 0);
@@ -149,15 +121,32 @@ index 1906635..5855f5f 100644
+ TWL4030_INTERRUPTS_BCIIMR1B) < 0);
+ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xff,
+ TWL4030_INTERRUPTS_BCIIMR2B) < 0);
+
+ /* Are BCI interrupt status bits cleared by reads or writes? */
+ cor = twl4030_read_cor_bit(TWL4030_MODULE_INTERRUPTS,
+ TWL4030_INTERRUPTS_BCISIHCTRL);
+ WARN_ON(cor < 0);
+
+- /* BCIISR1A */
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x0, cor) < 0);
+-
+- /* BCIISR2A */
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x1, cor) < 0);
+-
+- /* BCIISR1B */
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x4, cor) < 0);
+-
+- /* BCIISR2B */
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x5, cor) < 0);
+ /* Clear TWL4030 BCI ISRs */
+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS,
-+ TWL4030_INTERRUPTS_BCIISR1A) < 0);
++ TWL4030_INTERRUPTS_BCIISR1A, cor) < 0);
+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS,
-+ TWL4030_INTERRUPTS_BCIISR2A) < 0);
++ TWL4030_INTERRUPTS_BCIISR2A, cor) < 0);
+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS,
-+ TWL4030_INTERRUPTS_BCIISR1B) < 0);
++ TWL4030_INTERRUPTS_BCIISR1B, cor) < 0);
+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS,
-+ TWL4030_INTERRUPTS_BCIISR2B) < 0);
++ TWL4030_INTERRUPTS_BCIISR2B, cor) < 0);
/* MAD C */
- /* MADC_IMR1 */
@@ -165,46 +154,56 @@ index 1906635..5855f5f 100644
-
- /* MADC_IMR2 */
- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_MADC, 0xff, 0x64) < 0);
--
-- /* MADC_ISR1 */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_MADC, 0x61) < 0);
--
-- /* MADC_ISR2 */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_MADC, 0x63) < 0);
+ /* Mask MADC interrupts at TWL4030 */
+ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_MADC, 0xff,
+ TWL4030_MADC_IMR1) < 0);
+ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_MADC, 0xff,
+ TWL4030_MADC_IMR2) < 0);
+
+ /* Are MADC interrupt status bits cleared by reads or writes? */
+ cor = twl4030_read_cor_bit(TWL4030_MODULE_MADC,
+ TWL4030_MADC_MADC_SIH_CTRL);
+ WARN_ON(cor < 0);
+
+- /* MADC_ISR1 */
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_MADC, 0x61, cor) < 0);
+-
+- /* MADC_ISR2 */
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_MADC, 0x63, cor) < 0);
+ /* Clear TWL4030 MADC ISRs */
+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_MADC,
-+ TWL4030_MADC_ISR1) < 0);
++ TWL4030_MADC_ISR1, cor) < 0);
+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_MADC,
-+ TWL4030_MADC_ISR2) < 0);
++ TWL4030_MADC_ISR2, cor) < 0);
/* key Pad */
- /* KEYPAD - IMR1 */
- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xff, 0x12) < 0);
--
-- /* KEYPAD - ISR1 */
+ /* Mask keypad interrupts at TWL4030 */
+ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xff,
+ TWL4030_KEYPAD_KEYP_IMR1) < 0);
+ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xff,
+ TWL4030_KEYPAD_KEYP_IMR2) < 0);
+
+ /* Are keypad interrupt status bits cleared by reads or writes? */
+ cor = twl4030_read_cor_bit(TWL4030_MODULE_KEYPAD,
+ TWL4030_KEYPAD_KEYP_SIH_CTRL);
+ WARN_ON(cor < 0);
+
+- /* KEYPAD - ISR1 */
+ /* Clear TWL4030 keypad ISRs */
/* XXX does this still need to be done twice for some reason? */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD, 0x11) < 0);
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD, 0x11, cor) < 0);
-
- /* KEYPAD - IMR2 */
- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xff, 0x14) < 0);
-
- /* KEYPAD - ISR2 */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD, 0x13) < 0);
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD, 0x13, cor) < 0);
+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD,
-+ TWL4030_KEYPAD_KEYP_ISR1) < 0);
++ TWL4030_KEYPAD_KEYP_ISR1, cor) < 0);
+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD,
-+ TWL4030_KEYPAD_KEYP_ISR2) < 0);
++ TWL4030_KEYPAD_KEYP_ISR2, cor) < 0);
/* Slave address 0x49 */
- /* GPIO_IMR1A */
@@ -218,30 +217,12 @@ index 1906635..5855f5f 100644
-
- /* GPIO_IMR1B */
- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x22) < 0);
--
+
- /* GPIO_IMR2B */
- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x23) < 0);
-
- /* GPIO_IMR3B */
- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x24) < 0);
--
-- /* GPIO_ISR1A */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x19) < 0);
--
-- /* GPIO_ISR2A */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x1a) < 0);
--
-- /* GPIO_ISR3A */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x1b) < 0);
--
-- /* GPIO_ISR1B */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x1f) < 0);
--
-- /* GPIO_ISR2B */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x20) < 0);
--
-- /* GPIO_ISR3B */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x21) < 0);
+ /* Mask GPIO interrupts at TWL4030 */
+ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff,
+ REG_GPIO_IMR1A) < 0);
@@ -255,21 +236,43 @@ index 1906635..5855f5f 100644
+ REG_GPIO_IMR2B) < 0);
+ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff,
+ REG_GPIO_IMR3B) < 0);
-+
+
+ /* Are GPIO interrupt status bits cleared by reads or writes? */
+ cor = twl4030_read_cor_bit(TWL4030_MODULE_GPIO,
+- TWL4030_GPIO_GPIO_SIH_CTRL);
++ REG_GPIO_SIH_CTRL);
+ WARN_ON(cor < 0);
+
+- /* GPIO_ISR1A */
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x19, cor) < 0);
+-
+- /* GPIO_ISR2A */
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x1a, cor) < 0);
+-
+- /* GPIO_ISR3A */
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x1b, cor) < 0);
+-
+- /* GPIO_ISR1B */
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x1f, cor) < 0);
+-
+- /* GPIO_ISR2B */
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x20, cor) < 0);
+-
+- /* GPIO_ISR3B */
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x21, cor) < 0);
+ /* Clear TWL4030 GPIO ISRs */
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR1A) < 0);
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR2A) < 0);
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR3A) < 0);
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR1B) < 0);
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR2B) < 0);
-+ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR3B) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR1A,
++ cor) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR2A,
++ cor) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR3A,
++ cor) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR1B,
++ cor) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR2B,
++ cor) < 0);
++ WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR3B,
++ cor) < 0);
/* install an irq handler for each of the PIH modules */
for (i = TWL4030_IRQ_BASE; i < TWL4030_IRQ_END; i++) {
-
-
---
-To unsubscribe from this list: send the line "unsubscribe linux-omap" in
-the body of a message to majordomo@vger.kernel.org
-More majordomo info at http://vger.kernel.org/majordomo-info.html
-
diff --git a/packages/linux/linux-omap2-git/beagleboard/TWL4030-09.patch b/packages/linux/linux-omap2-git/beagleboard/TWL4030-09.patch
index 3a2eb05fd8..ab6cc6d87b 100644
--- a/packages/linux/linux-omap2-git/beagleboard/TWL4030-09.patch
+++ b/packages/linux/linux-omap2-git/beagleboard/TWL4030-09.patch
@@ -1,63 +1,28 @@
-X-Mozilla-Status: 0001
-X-Mozilla-Status2: 00000000
-Return-Path: <linux-omap-owner@vger.kernel.org>
-X-Spam-Checker-Version: SpamAssassin 3.2.1 (2007-05-02) on shovel.geekisp.com
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- autolearn=ham version=3.2.1
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-Received: (qmail 21557 invoked by uid 1003); 18 Jul 2008 01:35:32 -0000
-Received: from vger.kernel.org (209.132.176.167)
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-MBOX-Line: From nobody Thu Jul 17 19:34:56 2008
-From: Paul Walmsley <paul@pwsan.com>
-Subject: [PATCH 9/9] TWL4030: convert early interrupt mask/clear funcs to use
- array
-To: linux-omap@vger.kernel.org
-Date: Thu, 17 Jul 2008 19:34:56 -0600
-Message-ID: <20080718013455.18943.62389.stgit@localhost.localdomain>
-In-Reply-To: <20080718013205.18943.34047.stgit@localhost.localdomain>
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+TWL4030: convert early interrupt mask/clear funcs to use array
+
+From: Paul Walmsley <paul@pwsan.com>
Mask/clear TWL module IMRs/ISRs by iterating through arrays rather than
-using a block of cut-and-pasted commands. Removes 632 bytes of bloat.
+using a block of cut-and-pasted commands. Removes 1056 bytes of bloat.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
- drivers/i2c/chips/twl4030-core.c | 218 ++++++++++++++++++++++++--------------
- 1 files changed, 137 insertions(+), 81 deletions(-)
+ drivers/i2c/chips/twl4030-core.c | 302 +++++++++++++++++++++++---------------
+ 1 files changed, 180 insertions(+), 122 deletions(-)
diff --git a/drivers/i2c/chips/twl4030-core.c b/drivers/i2c/chips/twl4030-core.c
-index 5855f5f..47d547d 100644
+index 38c227a..776b1dd 100644
--- a/drivers/i2c/chips/twl4030-core.c
+++ b/drivers/i2c/chips/twl4030-core.c
-@@ -153,6 +153,130 @@
- /* on I2C-1 for 2430SDP */
- #define CONFIG_I2C_TWL4030_ID 1
+@@ -160,6 +160,136 @@
+
+ #define TWL4030_SIH_CTRL_COR_MASK (1 << 2)
+/**
+ * struct twl4030_mod_iregs - TWL module IMR/ISR regs to mask/clear at init
+ * @mod_no: TWL4030 module number (e.g., TWL4030_MODULE_GPIO)
++ * @sih_ctrl: address of module SIH_CTRL register
+ * @reg_cnt: number of IMR/ISR regs
+ * @imrs: pointer to array of TWL module interrupt mask register indices
+ * @isrs: pointer to array of TWL module interrupt status register indices
@@ -67,6 +32,7 @@ index 5855f5f..47d547d 100644
+ */
+struct twl4030_mod_iregs {
+ const u8 mod_no;
++ const u8 sih_ctrl;
+ const u8 reg_cnt;
+ const u8 *imrs;
+ const u8 *isrs;
@@ -147,53 +113,110 @@ index 5855f5f..47d547d 100644
+/* TWL4030 modules that have IMR/ISR registers that must be masked/cleared */
+static const struct twl4030_mod_iregs __initconst twl4030_mod_regs[] = {
+ {
-+ .mod_no = TWL4030_MODULE_INT,
-+ .reg_cnt = ARRAY_SIZE(twl4030_int_imr_regs),
-+ .imrs = twl4030_int_imr_regs,
-+ .isrs = twl4030_int_isr_regs,
++ .mod_no = TWL4030_MODULE_INT,
++ .sih_ctrl = TWL4030_INT_PWR_SIH_CTRL,
++ .reg_cnt = ARRAY_SIZE(twl4030_int_imr_regs),
++ .imrs = twl4030_int_imr_regs,
++ .isrs = twl4030_int_isr_regs,
+ },
+ {
-+ .mod_no = TWL4030_MODULE_INTERRUPTS,
-+ .reg_cnt = ARRAY_SIZE(twl4030_interrupts_imr_regs),
-+ .imrs = twl4030_interrupts_imr_regs,
-+ .isrs = twl4030_interrupts_isr_regs,
++ .mod_no = TWL4030_MODULE_INTERRUPTS,
++ .sih_ctrl = TWL4030_INTERRUPTS_BCISIHCTRL,
++ .reg_cnt = ARRAY_SIZE(twl4030_interrupts_imr_regs),
++ .imrs = twl4030_interrupts_imr_regs,
++ .isrs = twl4030_interrupts_isr_regs,
+ },
+ {
-+ .mod_no = TWL4030_MODULE_MADC,
-+ .reg_cnt = ARRAY_SIZE(twl4030_madc_imr_regs),
-+ .imrs = twl4030_madc_imr_regs,
-+ .isrs = twl4030_madc_isr_regs,
++ .mod_no = TWL4030_MODULE_MADC,
++ .sih_ctrl = TWL4030_MADC_MADC_SIH_CTRL,
++ .reg_cnt = ARRAY_SIZE(twl4030_madc_imr_regs),
++ .imrs = twl4030_madc_imr_regs,
++ .isrs = twl4030_madc_isr_regs,
+ },
+ {
-+ .mod_no = TWL4030_MODULE_KEYPAD,
-+ .reg_cnt = ARRAY_SIZE(twl4030_keypad_imr_regs),
-+ .imrs = twl4030_keypad_imr_regs,
-+ .isrs = twl4030_keypad_isr_regs,
++ .mod_no = TWL4030_MODULE_KEYPAD,
++ .sih_ctrl = TWL4030_KEYPAD_KEYP_SIH_CTRL,
++ .reg_cnt = ARRAY_SIZE(twl4030_keypad_imr_regs),
++ .imrs = twl4030_keypad_imr_regs,
++ .isrs = twl4030_keypad_isr_regs,
+ },
+ {
-+ .mod_no = TWL4030_MODULE_GPIO,
-+ .reg_cnt = ARRAY_SIZE(twl4030_gpio_imr_regs),
-+ .imrs = twl4030_gpio_imr_regs,
-+ .isrs = twl4030_gpio_isr_regs,
++ .mod_no = TWL4030_MODULE_GPIO,
++ .sih_ctrl = REG_GPIO_SIH_CTRL,
++ .reg_cnt = ARRAY_SIZE(twl4030_gpio_imr_regs),
++ .imrs = twl4030_gpio_imr_regs,
++ .isrs = twl4030_gpio_isr_regs,
+ },
+};
+
-+
+
/* Helper functions */
static int
- twl4030_detect_client(struct i2c_adapter *adapter, unsigned char sid);
-@@ -756,7 +880,7 @@ static int twl4030_i2c_clear_isr(u8 mod_no, u8 reg)
+@@ -779,136 +909,64 @@ static int twl4030_read_cor_bit(u8 mod_no, u8 reg)
+ return tmp;
+ }
++/**
++ * twl4030_mask_clear_intrs - mask and clear all TWL4030 interrupts
++ * @t: pointer to twl4030_mod_iregs array
++ * @t_sz: ARRAY_SIZE(t) (starting at 1)
++ *
++ * Mask all TWL4030 interrupt mask registers (IMRs) and clear all
++ * interrupt status registers (ISRs). No return value, but will WARN if
++ * any I2C operations fail.
++ */
++static void __init twl4030_mask_clear_intrs(const struct twl4030_mod_iregs *t,
++ const u8 t_sz)
++{
++ int i, j;
++
++ /*
++ * N.B. - further efficiency is possible here. Eight I2C
++ * operations on BCI and GPIO modules are avoidable if I2C
++ * burst read/write transactions were implemented. Would
++ * probably save about 1ms of boot time and a small amount of
++ * power.
++ */
++ for (i = 0; i < t_sz; i++) {
++ const struct twl4030_mod_iregs tmr = t[i];
++
++ for (j = 0; j < tmr.reg_cnt; j++) {
++ int cor;
++
++ /* Mask interrupts at the TWL4030 */
++ WARN_ON(twl4030_i2c_write_u8(tmr.mod_no, 0xff,
++ tmr.imrs[j]) < 0);
++
++ /* Are ISRs cleared by reads or writes? */
++ cor = twl4030_read_cor_bit(tmr.mod_no, tmr.sih_ctrl);
++ WARN_ON(cor < 0);
++
++ /* Clear TWL4030 ISRs */
++ WARN_ON(twl4030_i2c_clear_isr(tmr.mod_no,
++ tmr.isrs[j], cor) < 0);
++ }
++ }
++
++ return;
++}
++
++
static void twl_init_irq(void)
{
- int i = 0;
-+ int i, j;
++ int i;
int res = 0;
+- int cor;
char *msg = "Unable to register interrupt subsystem";
unsigned int irq_num;
-@@ -767,86 +891,18 @@ static void twl_init_irq(void)
- * since we initially do not have any TWL4030 module interrupt
- * handlers present.
+
+ /*
+- * For each TWL4030 module with ISR/IMR registers, mask all
+- * interrupts and then clear any existing interrupt status bits,
+- * since we initially do not have any TWL4030 module interrupt
+- * handlers present.
++ * Mask and clear all TWL4030 interrupts since initially we do
++ * not have any TWL4030 module interrupt handlers present
*/
-
- /* Mask INT (PWR) interrupts at TWL4030 */
@@ -201,11 +224,17 @@ index 5855f5f..47d547d 100644
- TWL4030_INT_PWR_IMR1) < 0);
- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xff,
- TWL4030_INT_PWR_IMR2) < 0);
+-
+- /* Are PWR interrupt status bits cleared by reads or writes? */
+- cor = twl4030_read_cor_bit(TWL4030_MODULE_INT,
+- TWL4030_INT_PWR_SIH_CTRL);
+- WARN_ON(cor < 0);
+-
- /* Clear TWL4030 INT (PWR) ISRs */
- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INT,
-- TWL4030_INT_PWR_ISR1) < 0);
+- TWL4030_INT_PWR_ISR1, cor) < 0);
- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INT,
-- TWL4030_INT_PWR_ISR2) < 0);
+- TWL4030_INT_PWR_ISR2, cor) < 0);
-
- /* Slave address 0x4A */
-
@@ -218,15 +247,21 @@ index 5855f5f..47d547d 100644
- TWL4030_INTERRUPTS_BCIIMR1B) < 0);
- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xff,
- TWL4030_INTERRUPTS_BCIIMR2B) < 0);
+-
+- /* Are BCI interrupt status bits cleared by reads or writes? */
+- cor = twl4030_read_cor_bit(TWL4030_MODULE_INTERRUPTS,
+- TWL4030_INTERRUPTS_BCISIHCTRL);
+- WARN_ON(cor < 0);
+-
- /* Clear TWL4030 BCI ISRs */
- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS,
-- TWL4030_INTERRUPTS_BCIISR1A) < 0);
+- TWL4030_INTERRUPTS_BCIISR1A, cor) < 0);
- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS,
-- TWL4030_INTERRUPTS_BCIISR2A) < 0);
+- TWL4030_INTERRUPTS_BCIISR2A, cor) < 0);
- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS,
-- TWL4030_INTERRUPTS_BCIISR1B) < 0);
+- TWL4030_INTERRUPTS_BCIISR1B, cor) < 0);
- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS,
-- TWL4030_INTERRUPTS_BCIISR2B) < 0);
+- TWL4030_INTERRUPTS_BCIISR2B, cor) < 0);
-
- /* MAD C */
- /* Mask MADC interrupts at TWL4030 */
@@ -234,11 +269,17 @@ index 5855f5f..47d547d 100644
- TWL4030_MADC_IMR1) < 0);
- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_MADC, 0xff,
- TWL4030_MADC_IMR2) < 0);
+-
+- /* Are MADC interrupt status bits cleared by reads or writes? */
+- cor = twl4030_read_cor_bit(TWL4030_MODULE_MADC,
+- TWL4030_MADC_MADC_SIH_CTRL);
+- WARN_ON(cor < 0);
+-
- /* Clear TWL4030 MADC ISRs */
- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_MADC,
-- TWL4030_MADC_ISR1) < 0);
+- TWL4030_MADC_ISR1, cor) < 0);
- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_MADC,
-- TWL4030_MADC_ISR2) < 0);
+- TWL4030_MADC_ISR2, cor) < 0);
-
- /* key Pad */
- /* Mask keypad interrupts at TWL4030 */
@@ -246,14 +287,21 @@ index 5855f5f..47d547d 100644
- TWL4030_KEYPAD_KEYP_IMR1) < 0);
- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xff,
- TWL4030_KEYPAD_KEYP_IMR2) < 0);
+-
+- /* Are keypad interrupt status bits cleared by reads or writes? */
+- cor = twl4030_read_cor_bit(TWL4030_MODULE_KEYPAD,
+- TWL4030_KEYPAD_KEYP_SIH_CTRL);
+- WARN_ON(cor < 0);
+-
- /* Clear TWL4030 keypad ISRs */
- /* XXX does this still need to be done twice for some reason? */
- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD,
-- TWL4030_KEYPAD_KEYP_ISR1) < 0);
+- TWL4030_KEYPAD_KEYP_ISR1, cor) < 0);
- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD,
-- TWL4030_KEYPAD_KEYP_ISR2) < 0);
+- TWL4030_KEYPAD_KEYP_ISR2, cor) < 0);
-
- /* Slave address 0x49 */
+-
- /* Mask GPIO interrupts at TWL4030 */
- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff,
- REG_GPIO_IMR1A) < 0);
@@ -268,32 +316,26 @@ index 5855f5f..47d547d 100644
- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff,
- REG_GPIO_IMR3B) < 0);
-
+- /* Are GPIO interrupt status bits cleared by reads or writes? */
+- cor = twl4030_read_cor_bit(TWL4030_MODULE_GPIO,
+- REG_GPIO_SIH_CTRL);
+- WARN_ON(cor < 0);
+-
- /* Clear TWL4030 GPIO ISRs */
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR1A) < 0);
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR2A) < 0);
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR3A) < 0);
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR1B) < 0);
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR2B) < 0);
-- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR3B) < 0);
-+ for (i = 0; i < ARRAY_SIZE(twl4030_mod_regs); i++) {
-+ const struct twl4030_mod_iregs tmr = twl4030_mod_regs[i];
-+
-+ for (j = 0; j < tmr.reg_cnt; j++) {
-+ /* Mask interrupts at the TWL4030 */
-+ WARN_ON(twl4030_i2c_write_u8(tmr.mod_no, 0xff,
-+ tmr.imrs[j]) < 0);
-+ /* Clear TWL4030 ISRs */
-+ WARN_ON(twl4030_i2c_clear_isr(tmr.mod_no,
-+ tmr.isrs[j]) < 0);
-+ }
-+ }
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR1A,
+- cor) < 0);
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR2A,
+- cor) < 0);
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR3A,
+- cor) < 0);
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR1B,
+- cor) < 0);
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR2B,
+- cor) < 0);
+- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR3B,
+- cor) < 0);
++ twl4030_mask_clear_intrs(twl4030_mod_regs,
++ ARRAY_SIZE(twl4030_mod_regs));
/* install an irq handler for each of the PIH modules */
for (i = TWL4030_IRQ_BASE; i < TWL4030_IRQ_END; i++) {
-
-
---
-To unsubscribe from this list: send the line "unsubscribe linux-omap" in
-the body of a message to majordomo@vger.kernel.org
-More majordomo info at http://vger.kernel.org/majordomo-info.html
-
diff --git a/packages/linux/linux-omap2-git/beagleboard/mru-clocks1.diff b/packages/linux/linux-omap2-git/beagleboard/mru-clocks1.diff
new file mode 100644
index 0000000000..a17cc52c16
--- /dev/null
+++ b/packages/linux/linux-omap2-git/beagleboard/mru-clocks1.diff
@@ -0,0 +1,25 @@
+From: Mans Rullgard <mans@mansr.com>
+Date: Tue, 22 Jul 2008 00:31:11 +0000 (+0100)
+Subject: ARM: OMAP: make dpll4_m4_ck programmable with clk_set_rate()
+X-Git-Url: http://git.mansr.com/?p=linux-omap;a=commitdiff_plain;h=edc6cd29284f64f524dd410fdc5e6133bc177a8f
+
+ARM: OMAP: make dpll4_m4_ck programmable with clk_set_rate()
+
+Filling the set_rate and round_rate fields of dpll4_m4_ck makes
+this clock programmable through clk_set_rate(). This is needed
+to give omapfb control over the dss1_alwon_fck rate.
+---
+
+diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h
+index 161da12..876eb13 100644
+--- a/arch/arm/mach-omap2/clock34xx.h
++++ b/arch/arm/mach-omap2/clock34xx.h
+@@ -815,6 +815,8 @@ static struct clk dpll4_m4_ck = {
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
+ .recalc = &omap2_clksel_recalc,
++ .set_rate = &omap2_clksel_set_rate,
++ .round_rate = &omap2_clksel_round_rate,
+ };
+
+ /* The PWRDN bit is apparently only available on 3430ES2 and above */
diff --git a/packages/linux/linux-omap2-git/beagleboard/mru-clocks2.diff b/packages/linux/linux-omap2-git/beagleboard/mru-clocks2.diff
new file mode 100644
index 0000000000..99c8f7c285
--- /dev/null
+++ b/packages/linux/linux-omap2-git/beagleboard/mru-clocks2.diff
@@ -0,0 +1,62 @@
+From: Mans Rullgard <mans@mansr.com>
+Date: Tue, 22 Jul 2008 00:58:18 +0000 (+0100)
+Subject: ARM: OMAP: add clk_get_parent() for OMAP2/3
+X-Git-Url: http://git.mansr.com/?p=linux-omap;a=commitdiff_plain;h=76a35ce79194b60e3697378e726e1e510c9349d1
+
+ARM: OMAP: add clk_get_parent() for OMAP2/3
+
+Signed-off-by: Mans Rullgard <mans@mansr.com>
+---
+
+diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
+index 577be44..28aec36 100644
+--- a/arch/arm/mach-omap2/clock.c
++++ b/arch/arm/mach-omap2/clock.c
+@@ -824,6 +824,11 @@ int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
+ return 0;
+ }
+
++struct clk *omap2_clk_get_parent(struct clk *clk)
++{
++ return clk->parent;
++}
++
+ /* DPLL rate rounding code */
+
+ /**
+diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
+index 49245f7..4aa69d5 100644
+--- a/arch/arm/mach-omap2/clock.h
++++ b/arch/arm/mach-omap2/clock.h
+@@ -29,6 +29,7 @@ int omap2_clk_set_rate(struct clk *clk, unsigned long rate);
+ int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent);
+ int omap2_dpll_set_rate_tolerance(struct clk *clk, unsigned int tolerance);
+ long omap2_dpll_round_rate(struct clk *clk, unsigned long target_rate);
++struct clk *omap2_clk_get_parent(struct clk *clk);
+
+ #ifdef CONFIG_OMAP_RESET_CLOCKS
+ void omap2_clk_disable_unused(struct clk *clk);
+diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c
+index 54cc6e1..ed7af21 100644
+--- a/arch/arm/mach-omap2/clock24xx.c
++++ b/arch/arm/mach-omap2/clock24xx.c
+@@ -422,6 +422,7 @@ static struct clk_functions omap2_clk_functions = {
+ .clk_round_rate = omap2_clk_round_rate,
+ .clk_set_rate = omap2_clk_set_rate,
+ .clk_set_parent = omap2_clk_set_parent,
++ .clk_get_parent = omap2_clk_get_parent,
+ .clk_disable_unused = omap2_clk_disable_unused,
+ #ifdef CONFIG_CPU_FREQ
+ .clk_init_cpufreq_table = omap2_clk_init_cpufreq_table,
+diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
+index 04dedec..08c8c46 100644
+--- a/arch/arm/mach-omap2/clock34xx.c
++++ b/arch/arm/mach-omap2/clock34xx.c
+@@ -541,6 +541,7 @@ static struct clk_functions omap2_clk_functions = {
+ .clk_round_rate = omap2_clk_round_rate,
+ .clk_set_rate = omap2_clk_set_rate,
+ .clk_set_parent = omap2_clk_set_parent,
++ .clk_get_parent = omap2_clk_get_parent,
+ .clk_disable_unused = omap2_clk_disable_unused,
+ };
+