linux-yocto*: collie: disable CFI buffered write (temporary hack)

Something bad (timeout ?) is happening and the fs is corrupted
on remount/reboot.

Going back to word write offers a stable base for further debugging.

Signed-off-by: Andrea Adami <andrea.adami@gmail.com>

6 files changed, 96 insertions, 0 deletions

diff --git a/recipes-kernel/linux/linux-yocto-3.10/collie/collie.scc b/recipes-kernel/linux/linux-yocto-3.10/collie/collie.scc
index 7313842..9980c68 100644
--- a/recipes-kernel/linux/linux-yocto-3.10/collie/collie.scc
+++ b/recipes-kernel/linux/linux-yocto-3.10/collie/collie.scc
@@ -14,6 +14,7 @@ patch ../patches/patches-mtd/collie-force-cfi.patch
 patch ../patches/patches-mtd/collie-mtd-resize.patch
 patch ../patches/patches-mtd/collie-force-unlock.patch
 patch ../patches/patches-mtd/collie-PCR.patch
+patch ../patches/patches-mtd/collie-no-buf-write.patch
 patch ../patches/patches-sa1100/collie-irda.patch
 patch ../patches/patches-sa1100/collie-add-bootblock.patch
 patch ../patches/patches-sa1100/arm-sa1100-add-cpu-clock.patch
diff --git a/recipes-kernel/linux/linux-yocto-3.10/patches/patches-mtd/collie-no-buf-write.patch b/recipes-kernel/linux/linux-yocto-3.10/patches/patches-mtd/collie-no-buf-write.patch
new file mode 100644
index 0000000..02f06c3
--- /dev/null
+++ b/recipes-kernel/linux/linux-yocto-3.10/patches/patches-mtd/collie-no-buf-write.patch
@@ -0,0 +1,31 @@
+From 5f535adb0a2cd914eb1d6ef5fd2a703b9886bec0 Mon Sep 17 00:00:00 2001
+From: Andrea Adami <andrea.adami@gmail.com>
+Date: Sun, 15 Dec 2013 16:53:27 +0100
+Subject: [PATCH] MTD: HACK - disable CFI buffered write
+
+Something bad (timeout ?) is happening and the fs is corrupted
+on remount/reboot.
+
+Going back to word write offers a stable base for further debugging.
+
+Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
+---
+ drivers/mtd/chips/cfi_cmdset_0001.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
+index d9d6f0e..a5c984a 100644
+--- a/drivers/mtd/chips/cfi_cmdset_0001.c
++++ b/drivers/mtd/chips/cfi_cmdset_0001.c
+@@ -40,7 +40,7 @@
+ /* #define CMDSET0001_DISABLE_WRITE_SUSPEND */
+ 
+ // debugging, turns off buffer write mode if set to 1
+-#define FORCE_WORD_WRITE 0
++#define FORCE_WORD_WRITE 1
+ 
+ /* Intel chips */
+ #define I82802AB	0x00ad
+-- 
+1.8.1.5
+
diff --git a/recipes-kernel/linux/linux-yocto-dev/collie/collie.scc b/recipes-kernel/linux/linux-yocto-dev/collie/collie.scc
index a7bba19..816d2c2 100644
--- a/recipes-kernel/linux/linux-yocto-dev/collie/collie.scc
+++ b/recipes-kernel/linux/linux-yocto-dev/collie/collie.scc
@@ -8,6 +8,7 @@ patch ../patches/patches-mtd/collie-force-cfi.patch
 patch ../patches/patches-mtd/collie-mtd-resize.patch
 patch ../patches/patches-mtd/collie-force-unlock.patch
 patch ../patches/patches-mtd/collie-PCR.patch
+patch ../patches/patches-mtd/collie-no-buf-write.patch
 patch ../patches/patches-sa1100/collie-irda.patch
 patch ../patches/patches-sa1100/collie-add-bootblock.patch
 patch ../patches/patches-sa1100/arm-sa1100-add-cpu-clock.patch
diff --git a/recipes-kernel/linux/linux-yocto-dev/patches/patches-mtd/collie-no-buf-write.patch b/recipes-kernel/linux/linux-yocto-dev/patches/patches-mtd/collie-no-buf-write.patch
new file mode 100644
index 0000000..02f06c3
--- /dev/null
+++ b/recipes-kernel/linux/linux-yocto-dev/patches/patches-mtd/collie-no-buf-write.patch
@@ -0,0 +1,31 @@
+From 5f535adb0a2cd914eb1d6ef5fd2a703b9886bec0 Mon Sep 17 00:00:00 2001
+From: Andrea Adami <andrea.adami@gmail.com>
+Date: Sun, 15 Dec 2013 16:53:27 +0100
+Subject: [PATCH] MTD: HACK - disable CFI buffered write
+
+Something bad (timeout ?) is happening and the fs is corrupted
+on remount/reboot.
+
+Going back to word write offers a stable base for further debugging.
+
+Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
+---
+ drivers/mtd/chips/cfi_cmdset_0001.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
+index d9d6f0e..a5c984a 100644
+--- a/drivers/mtd/chips/cfi_cmdset_0001.c
++++ b/drivers/mtd/chips/cfi_cmdset_0001.c
+@@ -40,7 +40,7 @@
+ /* #define CMDSET0001_DISABLE_WRITE_SUSPEND */
+ 
+ // debugging, turns off buffer write mode if set to 1
+-#define FORCE_WORD_WRITE 0
++#define FORCE_WORD_WRITE 1
+ 
+ /* Intel chips */
+ #define I82802AB	0x00ad
+-- 
+1.8.1.5
+
diff --git a/recipes-kernel/linux/linux-yocto-tiny-kexecboot-3.10/patches/patches-mtd/collie-no-buf-write.patch b/recipes-kernel/linux/linux-yocto-tiny-kexecboot-3.10/patches/patches-mtd/collie-no-buf-write.patch
new file mode 100644
index 0000000..02f06c3
--- /dev/null
+++ b/recipes-kernel/linux/linux-yocto-tiny-kexecboot-3.10/patches/patches-mtd/collie-no-buf-write.patch
@@ -0,0 +1,31 @@
+From 5f535adb0a2cd914eb1d6ef5fd2a703b9886bec0 Mon Sep 17 00:00:00 2001
+From: Andrea Adami <andrea.adami@gmail.com>
+Date: Sun, 15 Dec 2013 16:53:27 +0100
+Subject: [PATCH] MTD: HACK - disable CFI buffered write
+
+Something bad (timeout ?) is happening and the fs is corrupted
+on remount/reboot.
+
+Going back to word write offers a stable base for further debugging.
+
+Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
+---
+ drivers/mtd/chips/cfi_cmdset_0001.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
+index d9d6f0e..a5c984a 100644
+--- a/drivers/mtd/chips/cfi_cmdset_0001.c
++++ b/drivers/mtd/chips/cfi_cmdset_0001.c
+@@ -40,7 +40,7 @@
+ /* #define CMDSET0001_DISABLE_WRITE_SUSPEND */
+ 
+ // debugging, turns off buffer write mode if set to 1
+-#define FORCE_WORD_WRITE 0
++#define FORCE_WORD_WRITE 1
+ 
+ /* Intel chips */
+ #define I82802AB	0x00ad
+-- 
+1.8.1.5
+
diff --git a/recipes-kernel/linux/linux-yocto-tiny-kexecboot_3.10.bbappend b/recipes-kernel/linux/linux-yocto-tiny-kexecboot_3.10.bbappend
index 85be4ef..2238cbc 100644
--- a/recipes-kernel/linux/linux-yocto-tiny-kexecboot_3.10.bbappend
+++ b/recipes-kernel/linux/linux-yocto-tiny-kexecboot_3.10.bbappend
@@ -47,6 +47,7 @@ SRC_URI_append_collie = " \
            file://patches/patches-mtd/collie-mtd-resize.patch \
            file://patches/patches-mtd/collie-force-unlock.patch \
            file://patches/patches-mtd/collie-PCR.patch \
+           file://patches/patches-mtd/collie-no-buf-write.patch \
            file://patches/patches-sa1100/collie-irda.patch \
            file://patches/patches-sa1100/collie-add-bootblock.patch \
            file://patches/patches-sa1100/arm-sa1100-add-cpu-clock.patch \