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| author | Will Deacon <will.deacon@arm.com> | 2011-08-09 12:24:07 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2011-11-16 10:56:53 +0000 |
| commit | eaa142ca3dee1478aca1a645bb0e5a249a33241a (patch) | |
| tree | 0f635c064c71f3f1c684f41df4a2638688099c3a /arch/arm/mach-imx | |
| parent | bf14fc54d6386ccd1ef3f1b0ff69e7a765cf8ded (diff) | |
| download | blackbird-obmc-linux-eaa142ca3dee1478aca1a645bb0e5a249a33241a.tar.gz blackbird-obmc-linux-eaa142ca3dee1478aca1a645bb0e5a249a33241a.zip | |
ARM: mach-imx: convert logical CPU numbers to physical numbers
This patch uses the new cpu_logical_map() macro for converting logical
CPU numbers into physical numbers when releasing CPUs during the SMP
boot and CPU hotplug paths.
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm/mach-imx')
| -rw-r--r-- | arch/arm/mach-imx/src.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/src.c b/arch/arm/mach-imx/src.c index 36cacbd0dcc2..a8e33681b732 100644 --- a/arch/arm/mach-imx/src.c +++ b/arch/arm/mach-imx/src.c @@ -14,6 +14,7 @@ #include <linux/io.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/smp.h> #include <asm/unified.h> #define SRC_SCR 0x000 @@ -23,10 +24,15 @@ static void __iomem *src_base; +#ifndef CONFIG_SMP +#define cpu_logical_map(cpu) 0 +#endif + void imx_enable_cpu(int cpu, bool enable) { u32 mask, val; + cpu = cpu_logical_map(cpu); mask = 1 << (BP_SRC_SCR_CORE1_ENABLE + cpu - 1); val = readl_relaxed(src_base + SRC_SCR); val = enable ? val | mask : val & ~mask; @@ -35,6 +41,7 @@ void imx_enable_cpu(int cpu, bool enable) void imx_set_cpu_jump(int cpu, void *jump_addr) { + cpu = cpu_logical_map(cpu); writel_relaxed(BSYM(virt_to_phys(jump_addr)), src_base + SRC_GPR1 + cpu * 8); } |
