diff options
| -rw-r--r-- | drivers/amba/bus.c | 2 | ||||
| -rw-r--r-- | include/linux/amba/bus.h | 15 |
2 files changed, 12 insertions, 5 deletions
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index d31590e7011..2737b975220 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -298,7 +298,7 @@ int amba_device_register(struct amba_device *dev, struct resource *parent) amba_put_disable_pclk(dev); - if (cid == 0xb105f00d) + if (cid == AMBA_CID) dev->periphid = pid; if (!dev->periphid) diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h index b0c17401243..c6454cca044 100644 --- a/include/linux/amba/bus.h +++ b/include/linux/amba/bus.h @@ -20,6 +20,7 @@ #include <linux/resource.h> #define AMBA_NR_IRQS 2 +#define AMBA_CID 0xb105f00d struct clk; @@ -70,9 +71,15 @@ void amba_release_regions(struct amba_device *); #define amba_pclk_disable(d) \ do { if (!IS_ERR((d)->pclk)) clk_disable((d)->pclk); } while (0) -#define amba_config(d) (((d)->periphid >> 24) & 0xff) -#define amba_rev(d) (((d)->periphid >> 20) & 0x0f) -#define amba_manf(d) (((d)->periphid >> 12) & 0xff) -#define amba_part(d) ((d)->periphid & 0xfff) +/* Some drivers don't use the struct amba_device */ +#define AMBA_CONFIG_BITS(a) (((a) >> 24) & 0xff) +#define AMBA_REV_BITS(a) (((a) >> 20) & 0x0f) +#define AMBA_MANF_BITS(a) (((a) >> 12) & 0xff) +#define AMBA_PART_BITS(a) ((a) & 0xfff) + +#define amba_config(d) AMBA_CONFIG_BITS((d)->periphid) +#define amba_rev(d) AMBA_REV_BITS((d)->periphid) +#define amba_manf(d) AMBA_MANF_BITS((d)->periphid) +#define amba_part(d) AMBA_PART_BITS((d)->periphid) #endif |