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kernel: omap - add reboot and rtc-irq patch.

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This commit is contained in:
Arne Fitzenreiter
2012-03-21 00:12:47 +01:00
parent e715467b49
commit cd7507011b
3 changed files with 58 additions and 0 deletions
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2
lfs/linux3
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@@ -187,6 +187,8 @@ ifeq "$(KCFG)" "-omap"
cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6.40-pandaboard-wlan-fix.patch
cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6.40-pandaboard-dvi720p.patch
cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6.40-pandaboard-i2c-fix.patch
cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6.40-pandaboard-reboot.patch
cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6.40-pandaboard-rtc-twl-irq.patch
cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.x-smsc95xx-add_mac_addr_param.patch
endif

29
src/patches/linux-2.6.40-pandaboard-reboot.patch Normal file
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@@ -0,0 +1,29 @@
With commit 3d3f78d752bf, reboot seems to broken on ARM
machines. CPU dies while doing flush_pmd_entry() as part of
setup_mm_for_reboot()
I know this is not the fix but intention is to report the
issue and also provide temporary fix till it get fixed correctly
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
Reported-by: Anand Gadiyar <gadiyar@xxxxxx>
---
Tested with OMAP4 device.
arch/arm/kernel/process.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index e76fcaa..ac370b2 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -247,7 +247,6 @@ void machine_power_off(void)
void machine_restart(char *cmd)
{
- machine_shutdown();
arm_pm_restart(reboot_mode, cmd);
}
--
1.6.0.4

27
src/patches/linux-2.6.40-pandaboard-rtc-twl-irq.patch Normal file
View File

@@ -0,0 +1,27 @@
diff -Naur linux-3.0.24.org/drivers/rtc/rtc-twl.c linux-3.0.24/drivers/rtc/rtc-twl.c
--- linux-3.0.24.org/drivers/rtc/rtc-twl.c 2012-03-12 18:58:19.000000000 +0100
+++ linux-3.0.24/drivers/rtc/rtc-twl.c 2012-03-20 23:24:52.213578926 +0100
@@ -362,14 +362,6 @@
int res;
u8 rd_reg;
-#ifdef CONFIG_LOCKDEP
- /* WORKAROUND for lockdep forcing IRQF_DISABLED on us, which
- * we don't want and can't tolerate. Although it might be
- * friendlier not to borrow this thread context...
- */
- local_irq_enable();
-#endif
-
res = twl_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);
if (res)
goto out;
@@ -462,7 +454,7 @@
if (ret < 0)
goto out1;
- ret = request_irq(irq, twl_rtc_interrupt,
+ ret = request_threaded_irq(irq, NULL, twl_rtc_interrupt,
IRQF_TRIGGER_RISING,
dev_name(&rtc->dev), rtc);
if (ret < 0) {