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ARM: 8434/2: Revert "7655/1: smp_twd: make twd_local_timer_of_register() no-op for nosmp" 

This reverts commit 904464b91e.

The problem pointed out by commit 904464b91e ("ARM: 7655/1:
smp_twd: make twd_local_timer_of_register() no-op for nosmp")
doesn't exist anymore.

We can safely boot with nosmp and the warning won't show up.

The other side benefit of this patch is that TWD has a chance
to probe on single-core A9 systems such as AM437x which sport
TWD.

While at that, also drop SMP dependency from TWD's Kconfig entry.

Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Dirk Behme <dirk.behme@de.bosch.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Felipe Balbi 2015-10-02 20:33:36 +01:00 committed by Russell King
parent 6ff0966052
commit 63c27ae798
2 changed files with 0 additions and 5 deletions
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1
arch/arm/Kconfig
View File

@ -1410,7 +1410,6 @@ config HAVE_ARM_ARCH_TIMER
config HAVE_ARM_TWD
bool
depends on SMP
select CLKSRC_OF if OF
help
This options enables support for the ARM timer and watchdog unit

4
arch/arm/kernel/smp_twd.c
View File

@ -23,7 +23,6 @@
#include <linux/of_irq.h>
#include <linux/of_address.h>
#include <asm/smp_plat.h>
#include <asm/smp_twd.h>
/* set up by the platform code */
@ -392,9 +391,6 @@ static void __init twd_local_timer_of_register(struct device_node *np)
{
int err;
if (!is_smp() || !setup_max_cpus)
return;
twd_ppi = irq_of_parse_and_map(np, 0);
if (!twd_ppi) {
err = -EINVAL;