diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2015-11-27 19:17:01 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2015-11-27 19:20:37 +0100 |
| commit | c861519fcf95b2d46cb4275903423b43ae150a40 (patch) | |
| tree | 7e17dcbb79a0a12dc06eae6d1bc3a5a3d8fa58ce /arch/mips/pmcs-msp71xx | |
| parent | Linux 4.4-rc2 (diff) | |
| download | linux-c861519fcf95b2d46cb4275903423b43ae150a40.tar.xz linux-c861519fcf95b2d46cb4275903423b43ae150a40.zip | |
MIPS: Fix delay loops which may be removed by GCC.
GCC 4.1 and newer remove empty loops. This becomes a problem when delay
loops get removed. Fixed by rewriting to user the proper Linux interface
for such delays.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Reported-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: John Crispin <blogic@openwrt.org>
Diffstat (limited to 'arch/mips/pmcs-msp71xx')
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_setup.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/mips/pmcs-msp71xx/msp_setup.c b/arch/mips/pmcs-msp71xx/msp_setup.c index 4f925e06c414..78b2ef49dbc7 100644 --- a/arch/mips/pmcs-msp71xx/msp_setup.c +++ b/arch/mips/pmcs-msp71xx/msp_setup.c @@ -10,6 +10,8 @@ * option) any later version. */ +#include <linux/delay.h> + #include <asm/bootinfo.h> #include <asm/cacheflush.h> #include <asm/idle.h> @@ -77,7 +79,7 @@ void msp7120_reset(void) */ /* Wait a bit for the DDRC to settle */ - for (i = 0; i < 100000000; i++); + mdelay(125); #if defined(CONFIG_PMC_MSP7120_GW) /* |