From: Grygorii Strashko <grygorii.strashko@xxxxxx> Date: Tue, 19 Apr 2016 21:09:49 +0300 > The cpsw_ndo_open() could try to access CPSW registers before > calling pm_runtime_get_sync(). This will trigger L3 error: > > WARNING: CPU: 0 PID: 21 at drivers/bus/omap_l3_noc.c:147 l3_interrupt_handler+0x220/0x34c() > 44000000.ocp:L3 Custom Error: MASTER M2 (64-bit) TARGET L4_FAST (Idle): Data Access in Supervisor mode during Functional access > > and CPSW will stop functioning. > > Hence, fix it by moving pm_runtime_get_sync() before the first access > to CPSW registers in cpsw_ndo_open(). > > Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx> Applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
