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authorJosh Cartwright <joshc@ni.com>2015-03-19 08:33:53 -0500
committerMichal Simek <michal.simek@xilinx.com>2015-05-18 14:46:37 +0200
commitef6ca1a84a3da9bf45d31399090153e00fc6cd68 (patch)
treec71dfde759d84875387a6e90d466ad05bfbd5793 /arch/arm
parent64e686176007de9b9aa735b71e8fa1c2979a00ce (diff)
downloadlinux-ef6ca1a84a3da9bf45d31399090153e00fc6cd68.tar.gz
ARM: zynq: Drop use of slcr_unlock in zynq_slcr_system_restart
The SLCR is unconditionally unlocked early on boot in zynq_slcr_init()
and not ever re-locked. As such, it is not necessary to explicitly unlock in
the restart codepath.

Signed-off-by: Josh Cartwright <joshc@ni.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-zynq/slcr.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/arm/mach-zynq/slcr.c b/arch/arm/mach-zynq/slcr.c
index 94a17be98822..26320ebf3493 100644
--- a/arch/arm/mach-zynq/slcr.c
+++ b/arch/arm/mach-zynq/slcr.c
@@ -108,13 +108,6 @@ int zynq_slcr_system_restart(struct notifier_block *nb,
 	u32 reboot;
 
 	/*
-	 * Unlock the SLCR then reset the system.
-	 * Note that this seems to require raw i/o
-	 * functions or there's a lockup?
-	 */
-	zynq_slcr_unlock();
-
-	/*
 	 * Clear 0x0F000000 bits of reboot status register to workaround
 	 * the FSBL not loading the bitstream after soft-reboot
 	 * This is a temporary solution until we know more.