From: Dmitry Eremin-Solenikov <[email protected]> 3.12-stable review patch. If anyone has any objections, please let me know.
=============== commit e461894dc2ce7778ccde1c3483c9b15a85a7fc5f upstream. StrongARM core uses RCSR SMR bit to tell to bootloader that it was reset by entering the sleep mode. After we have resumed, there is little point in having that bit enabled. Moreover, if this bit is set before reboot, the bootloader can become confused. Thus clear the SMR bit on resume just before clearing the scratchpad (resume address) register. Signed-off-by: Dmitry Eremin-Solenikov <[email protected]> Signed-off-by: Russell King <[email protected]> Signed-off-by: Jiri Slaby <[email protected]> --- arch/arm/mach-sa1100/pm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-sa1100/pm.c b/arch/arm/mach-sa1100/pm.c index 6645d1e31f14..34853d5dfda2 100644 --- a/arch/arm/mach-sa1100/pm.c +++ b/arch/arm/mach-sa1100/pm.c @@ -81,6 +81,7 @@ static int sa11x0_pm_enter(suspend_state_t state) /* * Ensure not to come back here if it wasn't intended */ + RCSR = RCSR_SMR; PSPR = 0; /* -- 2.3.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
