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authorJonas Gorski <jogo@openwrt.org>2014-07-08 16:53:24 +0200
committerRalf Baechle <ralf@linux-mips.org>2014-07-30 15:25:05 +0200
commite86ae9e2e0c3badc74c81f3449b9d59513d8845c (patch)
treec03dea2f9cc24f0368721bbac3e395d84c7467b6 /arch
parent436f302f7b90ce9f1248ff688cbc861ea24372db (diff)
downloadop-kernel-dev-e86ae9e2e0c3badc74c81f3449b9d59513d8845c.zip
op-kernel-dev-e86ae9e2e0c3badc74c81f3449b9d59513d8845c.tar.gz
MIPS: BCM63xx: Remove !RUNTIME_DETECT code for bcmcpu_get_id
Use the same pattern as with get_*_cpu_type() to allow the compiler to remove code for non enabled SoC types. Signed-off-by: Jonas Gorski <jogo@openwrt.org> Cc: linux-mips@linux-mips.org Cc: John Crispin <blogic@openwrt.org> Cc: Maxime Bizon <mbizon@freebox.fr> Cc: Florian Fainelli <florian@openwrt.org> Cc: Kevin Cernekee <cernekee@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/7273/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/bcm63xx/cpu.c11
-rw-r--r--arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h120
2 files changed, 38 insertions, 93 deletions
diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c
index fd4e76c..536f644 100644
--- a/arch/mips/bcm63xx/cpu.c
+++ b/arch/mips/bcm63xx/cpu.c
@@ -24,7 +24,9 @@ EXPORT_SYMBOL(bcm63xx_regs_base);
const int *bcm63xx_irqs;
EXPORT_SYMBOL(bcm63xx_irqs);
-static u16 bcm63xx_cpu_id;
+u16 bcm63xx_cpu_id __read_mostly;
+EXPORT_SYMBOL(bcm63xx_cpu_id);
+
static u8 bcm63xx_cpu_rev;
static unsigned int bcm63xx_cpu_freq;
static unsigned int bcm63xx_memory_size;
@@ -97,13 +99,6 @@ static const int bcm6368_irqs[] = {
};
-u16 __bcm63xx_get_cpu_id(void)
-{
- return bcm63xx_cpu_id;
-}
-
-EXPORT_SYMBOL(__bcm63xx_get_cpu_id);
-
u8 bcm63xx_get_cpu_rev(void)
{
return bcm63xx_cpu_rev;
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
index 4d76fc7..56bb192 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
@@ -19,118 +19,68 @@
#define BCM6368_CPU_ID 0x6368
void __init bcm63xx_cpu_init(void);
-u16 __bcm63xx_get_cpu_id(void);
u8 bcm63xx_get_cpu_rev(void);
unsigned int bcm63xx_get_cpu_freq(void);
+static inline u16 __pure __bcm63xx_get_cpu_id(const u16 cpu_id)
+{
+ switch (cpu_id) {
#ifdef CONFIG_BCM63XX_CPU_3368
-# ifdef bcm63xx_get_cpu_id
-# undef bcm63xx_get_cpu_id
-# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
-# define BCMCPU_RUNTIME_DETECT
-# else
-# define bcm63xx_get_cpu_id() BCM3368_CPU_ID
-# endif
-# define BCMCPU_IS_3368() (bcm63xx_get_cpu_id() == BCM3368_CPU_ID)
-#else
-# define BCMCPU_IS_3368() (0)
+ case BCM3368_CPU_ID:
#endif
#ifdef CONFIG_BCM63XX_CPU_6328
-# ifdef bcm63xx_get_cpu_id
-# undef bcm63xx_get_cpu_id
-# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
-# define BCMCPU_RUNTIME_DETECT
-# else
-# define bcm63xx_get_cpu_id() BCM6328_CPU_ID
-# endif
-# define BCMCPU_IS_6328() (bcm63xx_get_cpu_id() == BCM6328_CPU_ID)
-#else
-# define BCMCPU_IS_6328() (0)
+ case BCM6328_CPU_ID:
#endif
#ifdef CONFIG_BCM63XX_CPU_6338
-# ifdef bcm63xx_get_cpu_id
-# undef bcm63xx_get_cpu_id
-# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
-# define BCMCPU_RUNTIME_DETECT
-# else
-# define bcm63xx_get_cpu_id() BCM6338_CPU_ID
-# endif
-# define BCMCPU_IS_6338() (bcm63xx_get_cpu_id() == BCM6338_CPU_ID)
-#else
-# define BCMCPU_IS_6338() (0)
+ case BCM6338_CPU_ID:
#endif
#ifdef CONFIG_BCM63XX_CPU_6345
-# ifdef bcm63xx_get_cpu_id
-# undef bcm63xx_get_cpu_id
-# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
-# define BCMCPU_RUNTIME_DETECT
-# else
-# define bcm63xx_get_cpu_id() BCM6345_CPU_ID
-# endif
-# define BCMCPU_IS_6345() (bcm63xx_get_cpu_id() == BCM6345_CPU_ID)
-#else
-# define BCMCPU_IS_6345() (0)
+ case BCM6345_CPU_ID:
#endif
#ifdef CONFIG_BCM63XX_CPU_6348
-# ifdef bcm63xx_get_cpu_id
-# undef bcm63xx_get_cpu_id
-# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
-# define BCMCPU_RUNTIME_DETECT
-# else
-# define bcm63xx_get_cpu_id() BCM6348_CPU_ID
-# endif
-# define BCMCPU_IS_6348() (bcm63xx_get_cpu_id() == BCM6348_CPU_ID)
-#else
-# define BCMCPU_IS_6348() (0)
+ case BCM6348_CPU_ID:
#endif
#ifdef CONFIG_BCM63XX_CPU_6358
-# ifdef bcm63xx_get_cpu_id
-# undef bcm63xx_get_cpu_id
-# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
-# define BCMCPU_RUNTIME_DETECT
-# else
-# define bcm63xx_get_cpu_id() BCM6358_CPU_ID
-# endif
-# define BCMCPU_IS_6358() (bcm63xx_get_cpu_id() == BCM6358_CPU_ID)
-#else
-# define BCMCPU_IS_6358() (0)
+ case BCM6358_CPU_ID:
#endif
#ifdef CONFIG_BCM63XX_CPU_6362
-# ifdef bcm63xx_get_cpu_id
-# undef bcm63xx_get_cpu_id
-# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
-# define BCMCPU_RUNTIME_DETECT
-# else
-# define bcm63xx_get_cpu_id() BCM6362_CPU_ID
-# endif
-# define BCMCPU_IS_6362() (bcm63xx_get_cpu_id() == BCM6362_CPU_ID)
-#else
-# define BCMCPU_IS_6362() (0)
+ case BCM6362_CPU_ID:
#endif
-
#ifdef CONFIG_BCM63XX_CPU_6368
-# ifdef bcm63xx_get_cpu_id
-# undef bcm63xx_get_cpu_id
-# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
-# define BCMCPU_RUNTIME_DETECT
-# else
-# define bcm63xx_get_cpu_id() BCM6368_CPU_ID
-# endif
-# define BCMCPU_IS_6368() (bcm63xx_get_cpu_id() == BCM6368_CPU_ID)
-#else
-# define BCMCPU_IS_6368() (0)
+ case BCM6368_CPU_ID:
#endif
+ break;
+ default:
+ unreachable();
+ }
-#ifndef bcm63xx_get_cpu_id
-#error "No CPU support configured"
-#endif
+ return cpu_id;
+}
+
+extern u16 bcm63xx_cpu_id;
+
+static inline u16 __pure bcm63xx_get_cpu_id(void)
+{
+ const u16 cpu_id = bcm63xx_cpu_id;
+
+ return __bcm63xx_get_cpu_id(cpu_id);
+}
+
+#define BCMCPU_IS_3368() (bcm63xx_get_cpu_id() == BCM3368_CPU_ID)
+#define BCMCPU_IS_6328() (bcm63xx_get_cpu_id() == BCM6328_CPU_ID)
+#define BCMCPU_IS_6338() (bcm63xx_get_cpu_id() == BCM6338_CPU_ID)
+#define BCMCPU_IS_6345() (bcm63xx_get_cpu_id() == BCM6345_CPU_ID)
+#define BCMCPU_IS_6348() (bcm63xx_get_cpu_id() == BCM6348_CPU_ID)
+#define BCMCPU_IS_6358() (bcm63xx_get_cpu_id() == BCM6358_CPU_ID)
+#define BCMCPU_IS_6362() (bcm63xx_get_cpu_id() == BCM6362_CPU_ID)
+#define BCMCPU_IS_6368() (bcm63xx_get_cpu_id() == BCM6368_CPU_ID)
/*
* While registers sets are (mostly) the same across 63xx CPU, base
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