Hello,
Kevin Hilman wrote:
> From: Rajendra Nayak <rnayak@xxxxxx>
>
> Because of OMAP off-mode, powerdomain can go off when I2C is idle.
> Save enough state, and do a re-init for each transfer.
>
> Additional save/restore state added by Jagadeesh Bhaskar Pakaravoor
> (SYSC_REG) and Aaro Koskinen (wakeup sources.)
>
> Signed-off-by: Jouni Hogander <jouni.hogander@xxxxxxxxx>
> Signed-off-by: Rajendra Nayak <rnayak@xxxxxx>
> Cc: Jagadeesh Bhaskar Pakaravoor <j-pakaravoor@xxxxxx>
> Cc: Aaro Koskinen <aaro.koskinen@xxxxxxxxx>
> Signed-off-by: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
This patch introduces a compiler warning:
CC drivers/i2c/busses/i2c-omap.o
drivers/i2c/busses/i2c-omap.c: In function 'omap_i2c_init':
drivers/i2c/busses/i2c-omap.c:303: warning: unused variable 'v'
So the declaration of "v" should be also removed here:
> @@ -289,21 +302,22 @@ static int omap_i2c_init(struct omap_i2c_dev *dev)
> } else if (dev->rev >= OMAP_I2C_REV_ON_3430) {
> u32 v;
>
> - v = SYSC_AUTOIDLE_MASK;
> - v |= SYSC_ENAWAKEUP_MASK;
> - v |= (SYSC_IDLEMODE_SMART <<
> + dev->syscstate = SYSC_AUTOIDLE_MASK;
> + dev->syscstate |= SYSC_ENAWAKEUP_MASK;
> + dev->syscstate |= (SYSC_IDLEMODE_SMART <<
A.
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