diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.13/014-MIPS-BMIPS-add-a-smp-ops-registration-helper.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.13/014-MIPS-BMIPS-add-a-smp-ops-registration-helper.patch | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.13/014-MIPS-BMIPS-add-a-smp-ops-registration-helper.patch b/target/linux/brcm63xx/patches-3.13/014-MIPS-BMIPS-add-a-smp-ops-registration-helper.patch new file mode 100644 index 0000000000..c236075275 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.13/014-MIPS-BMIPS-add-a-smp-ops-registration-helper.patch @@ -0,0 +1,77 @@ +From 0b135a3e8f344061ed0aa66e2514627dd7aa946f Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jogo@openwrt.org> +Date: Sun, 23 Jun 2013 14:04:51 +0200 +Subject: [PATCH V2 08/13] MIPS: BMIPS: add a smp ops registration helper + +Add a helper similar to the generic register_XXX_smp_ops() for bmips. +Register SMP UP ops in case of BMIPS32/3300. + +Signed-off-by: Jonas Gorski <jogo@openwrt.org> +--- +V1 -> V2: + * use SMP_UP (ops) in case of BMIPS32_3300 + + arch/mips/Kconfig | 1 + + arch/mips/bcm63xx/prom.c | 2 +- + arch/mips/include/asm/bmips.h | 26 ++++++++++++++++++++++++++ + 3 files changed, 28 insertions(+), 1 deletion(-) + +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -1496,6 +1496,7 @@ config CPU_LOONGSON1 + select CPU_SUPPORTS_HIGHMEM + + config CPU_BMIPS32_3300 ++ select SMP_UP if SMP + bool + + config CPU_BMIPS4350 +--- a/arch/mips/bcm63xx/prom.c ++++ b/arch/mips/bcm63xx/prom.c +@@ -61,7 +61,7 @@ void __init prom_init(void) + + if (IS_ENABLED(CONFIG_CPU_BMIPS4350) && IS_ENABLED(CONFIG_SMP)) { + /* set up SMP */ +- register_smp_ops(&bmips43xx_smp_ops); ++ register_bmips_smp_ops(); + + /* + * BCM6328 might not have its second CPU enabled, while BCM3368 +--- a/arch/mips/include/asm/bmips.h ++++ b/arch/mips/include/asm/bmips.h +@@ -46,9 +46,35 @@ + + #include <linux/cpumask.h> + #include <asm/r4kcache.h> ++#include <asm/smp-ops.h> + + extern struct plat_smp_ops bmips43xx_smp_ops; + extern struct plat_smp_ops bmips5000_smp_ops; ++ ++static inline int register_bmips_smp_ops(void) ++{ ++#if IS_ENABLED(CONFIG_CPU_BMIPS) && IS_ENABLED(CONFIG_SMP) ++ switch (current_cpu_type()) { ++ case CPU_BMIPS32: ++ case CPU_BMIPS3300: ++ return register_up_smp_ops(); ++ case CPU_BMIPS4350: ++ case CPU_BMIPS4380: ++ register_smp_ops(&bmips43xx_smp_ops); ++ break; ++ case CPU_BMIPS5000: ++ register_smp_ops(&bmips5000_smp_ops); ++ break; ++ default: ++ return -ENODEV; ++ } ++ ++ return 0; ++#else ++ return -ENODEV; ++#endif ++} ++ + extern char bmips_reset_nmi_vec; + extern char bmips_reset_nmi_vec_end; + extern char bmips_smp_movevec; |