@@ -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);
}
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> Cc: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com> --- arch/arm/mach-imx/src.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-)