diff options
Diffstat (limited to 'recipes/linux/linux-omap-psp-2.6.32/pending/0007-RTC-s35390a-Bug-Fix-Pie-mode-doesn-t-work.patch')
| -rw-r--r-- | recipes/linux/linux-omap-psp-2.6.32/pending/0007-RTC-s35390a-Bug-Fix-Pie-mode-doesn-t-work.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-psp-2.6.32/pending/0007-RTC-s35390a-Bug-Fix-Pie-mode-doesn-t-work.patch b/recipes/linux/linux-omap-psp-2.6.32/pending/0007-RTC-s35390a-Bug-Fix-Pie-mode-doesn-t-work.patch new file mode 100644 index 0000000000..6dd2b95bd0 --- /dev/null +++ b/recipes/linux/linux-omap-psp-2.6.32/pending/0007-RTC-s35390a-Bug-Fix-Pie-mode-doesn-t-work.patch @@ -0,0 +1,68 @@ +From 243e09d50e7a03eb9fc8e7313784f2ed96602890 Mon Sep 17 00:00:00 2001 +From: Vaibhav Hiremath <hvaibhav@ti.com> +Date: Fri, 13 Aug 2010 19:23:23 +0530 +Subject: [PATCH 7/9] RTC:s35390a:Bug Fix: Pie mode doesn't work + +Due to some race condition between Work and ISR, somehow interrupt +is not getting enabled and because of this RTC interrupt was not working. +--- + drivers/rtc/rtc-s35390a.c | 21 ++++++++++----------- + 1 files changed, 10 insertions(+), 11 deletions(-) + +diff --git a/drivers/rtc/rtc-s35390a.c b/drivers/rtc/rtc-s35390a.c +index de597c1..b30a57c 100644 +--- a/drivers/rtc/rtc-s35390a.c ++++ b/drivers/rtc/rtc-s35390a.c +@@ -230,11 +230,15 @@ static int s35390a_freq_irq_enable(struct i2c_client *client, unsigned enabled) + return err; + } + +- buf[0] = s35390a->rtc->irq_freq; +- /* This chip expects the bits of each byte to be in reverse order */ +- buf[0] = bitrev8(buf[0]); ++ if (enabled) { ++ buf[0] = s35390a->rtc->irq_freq; + +- return s35390a_set_reg(s35390a, S35390A_CMD_INT1_REG1, buf, sizeof(buf)); ++ buf[0] = bitrev8(buf[0]); ++ err = s35390a_set_reg(s35390a, S35390A_CMD_INT1_REG1, buf, ++ sizeof(buf)); ++ } ++ ++ return err; + } + + static int s35390a_rtc_freq_irq_enable(struct device *dev, int enabled) +@@ -419,20 +423,14 @@ static void s35390a_work(struct work_struct *work) + /* Notify RTC core on event */ + rtc_update_irq(s35390a->rtc, 1, RTC_IRQF | RTC_AF); + s35390a_alarm_irq_enable(client, 0); +- enable_irq(client->irq); + } else if (buf[0] & BIT(0)) { + /* Notify RTC core on event */ + rtc_update_irq(s35390a->rtc, 1, RTC_PF | RTC_IRQF); +- s35390a_freq_irq_enable(client, 0); +- enable_irq(client->irq); +- s35390a_freq_irq_enable(client, 1); + } else if (buf[0] & BIT(1)) { + /* Notify RTC core on event */ + rtc_update_irq(s35390a->rtc, 1, RTC_UF | RTC_IRQF); +- s35390a_update_irq_enable(client, 0); +- enable_irq(client->irq); +- s35390a_update_irq_enable(client, 1); + } ++ enable_irq(client->irq); + out: + return; + } +@@ -559,6 +557,7 @@ static int s35390a_probe(struct i2c_client *client, + } + s35390a->rtc->irq_freq = 0; + s35390a->rtc->max_user_freq = 16; ++ + return 0; + + exit_intr: +-- +1.6.2.4 + |