[PATCH 0/2 v2] OMAP2/3: fix the i2c,gpio reset timeouts during boot.
Avinash.H.M
avinashhm at ti.com
Tue Apr 5 11:40:13 EDT 2011
Hi ,
The patches solve the reset timeouts seen in i2c and gpio modules while
booting omap2 and omap3.
version: v2
* For discussion on v1, please refer
http://www.spinics.net/lists/linux-omap/msg49483.html
* changes from v1:
- moved i2c specific things from hwmod files to i2c files.
- fixed comments from Paul.
Baseline:
The patches are based on
* git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6.git
* master branch.
* v2.6.39-rc1 commit (0ce790e)
Testing:
* build tested omap2plus_defconfig for warnings and errors. none introduced.
* boot tested on 2430.
* tested for 'core off' in suspend resume on 3430 sdp. core off counters
increment after suspend resume. Core off works with below commands,
echo 1 > /debug/pm_debug/enable_off_mode
echo mem > /sys/power/state
cat /debug/pm_debug/count | grep ^core
Dependencies:
* need patch "OMAP2+: hwmod data: Set hwmod flags to only allow 16-bit
accesses to i2c" from Andry Green for accessing i2c_sysc. Without this even
with this patch, we will see i2c reset timeouts.
br ,
- Avinash
---
Avinash.H.M (2):
OMAP2/3: hwmod: fix the i2c-reset timeout during bootup
OMAP2/3: hwmod: fix gpio-reset timeouts seen during bootup.
arch/arm/mach-omap2/i2c.c | 58 ++++++++++++++++++++++++++++
arch/arm/mach-omap2/omap_hwmod_2420_data.c | 5 ++
arch/arm/mach-omap2/omap_hwmod_2430_data.c | 6 +++
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 7 +++
arch/arm/plat-omap/include/plat/i2c.h | 3 +
5 files changed, 79 insertions(+), 0 deletions(-)
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