rtc: rtc-twl: Remove lockdep related local_irq_enable()

Now that the irq is properly threaded (due to it needing i2c access)
we should also remove the local_irq_enable() call in twl_rtc_interrupt.
Testing this with Pandaboard, the RTC is still working.

[Reworked commit message -jstultz]
Signed-off-by: John Stultz <john.stultz@linaro.org>

diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c
index 1963cdd..9677bbc 100644 (file)
--- a/drivers/rtc/rtc-twl.c
+++ b/drivers/rtc/rtc-twl.c
@@ -362,14 +362,6 @@ static irqreturn_t twl_rtc_interrupt(int irq, void *rtc)
        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;