The patch series does the following
- Warn fixes if CONFIG_PM_RUNTIME is not selected.
- I2C register restore only if context if the context is lost
- Bus busy recovery mechanism.
- the reset is not done in init.
v2 changes
-Adds a patch to use devm_* functions
-Also checks the return type of the get_sync and in case
of errors prevents register access.
- In case of i2c remove register access was done without any
get_sync fix the same.
- Adds a pdata function pointer to do context save restore
v3 changes
- Split the omap_i2c_isr to increase readability
- Adds the restore flag patch for OMAP4 to the series
- Make the i2c use SET_RUNTIME_PM_OPS
v4 changes
- Folds a patch from Tasslehoff to prevent any merge conflicts.
- Prevents the XDUF flag to be set if the underflow condition is not met.
Tested on omap4sdp and omap3sdp.
Following changes since commit dd775ae2549217d3ae09363e3edb305d0fa19928:
Linux 3.4-rc1 (2012-03-31 16:24:09 -0700)
are available in the git repository at:
git@xxxxxxxxxxxxx:linus-tree/linus-tree.git i2c-v4
Jon Hunter (1):
I2C: OMAP: Correct I2C revision for OMAP3
Shubhrajyoti D (15):
I2C : OMAP : make omap_i2c_unidle/idle functions depend on CONFIG_PM_RUNTIME
OMAP : I2C : Remove reset at init
OMAP: I2C: I2C register restore only if context is lost
OMAP: I2C: Fix the interrupt clearing in OMAP4
OMAP: I2C: Fix the mismatch of pm_runtime enable and disable
OMAP: I2C: Optimise the remove code
OMAP: I2C: Fix the error handling
I2C: OMAP: Don't check if wait_for_completion_timeout() returns less than zero
OMAP : I2C : use devm_* functions
I2C : OMAP : Fix the crash in i2c remove
OMAP: I2C: Handle error check for pm runtime
I2C : OMAP : Use SET_RUNTIME_PM_OPS
OMAP4: hwmod data: I2C: add flag for context restore
i2c: omap: make the read ready processing a separate function
i2c: omap: Do not set the XUDF if the underflow is not reached
Tasslehoff Kjappfot (1):
I2C: OMAP : fix missing handling of errata I2C_OMAP3_1P153
Vikram Pandita (1):
I2C: OMAP: Recover from Bus Busy condition
arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 3 +-
arch/arm/plat-omap/i2c.c | 3 +
drivers/i2c/busses/i2c-omap.c | 330 +++++++++++++++-------------
include/linux/i2c-omap.h | 1 +
4 files changed, 188 insertions(+), 149 deletions(-)
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