[PATCH 2/2] ARM: zynq: drop use of slcr_unlock in zynq_slcr_system_restart
Josh Cartwright
joshc at ni.com
Thu Mar 19 06:33:53 PDT 2015
The SLCR is unconditionally unlocked early on boot in zynq_slcr_init()
and not unlocked. As such, it is not necessary to explicitly unlock in
the restart codepath.
Signed-off-by: Josh Cartwright <joshc at ni.com>
---
arch/arm/mach-zynq/slcr.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/arch/arm/mach-zynq/slcr.c b/arch/arm/mach-zynq/slcr.c
index fa4c796..698dc3b 100644
--- a/arch/arm/mach-zynq/slcr.c
+++ b/arch/arm/mach-zynq/slcr.c
@@ -102,13 +102,6 @@ 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.
--
2.3.3
More information about the linux-arm-kernel
mailing list