* Shubhrajyoti <shubhrajyoti@xxxxxx> [111216 00:25]: > Hi Benoit, > > On Friday 16 December 2011 02:21 PM, Cousson, Benoit wrote: > > Hi Shubhro, > > > > On 12/13/2011 11:55 AM, Shubhrajyoti D wrote: > >> Under some error conditions the i2c driver may do a reset. > >> Adding a reset field and support in the device-specific code to aid > >> error-recovery. > >> > >> Signed-off-by: Shubhrajyoti D<shubhrajyoti@xxxxxx> > >> --- > >> arch/arm/plat-omap/i2c.c | 2 ++ > >> include/linux/i2c-omap.h | 1 + > >> 2 files changed, 3 insertions(+), 0 deletions(-) > >> > >> diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c > >> index db071bc..6cddde2 100644 > >> --- a/arch/arm/plat-omap/i2c.c > >> +++ b/arch/arm/plat-omap/i2c.c > >> @@ -179,6 +179,8 @@ static inline int omap2_i2c_add_bus(int bus_id) > >> */ > >> if (cpu_is_omap34xx()) > >> pdata->set_mpu_wkup_lat = > >> omap_pm_set_max_mpu_wakeup_lat_compat; > >> + > >> + pdata->device_reset = omap_device_reset; > > > > We should avoid introducing any new pdata function pointers since we > > are in the process of removing them for DT support. > However if the driver has to do a reset due to some error what is the > recommended way? > Currently we used to access the SYSC directly I am removing the same and > introducing this function pointer. Sounds like this sould be possible to handle with pm_runtime calls from the driver which should end up making the right hwmod calls. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
