diff options
| author | John W. Linville <linville@tuxdriver.com> | 2010-08-16 14:40:44 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-08-16 14:40:44 -0400 |
| commit | 9714d315d28aef77a097fe905b25cc273c3d72ad (patch) | |
| tree | 0ae1150b0723e925785ce774c3554f29fda050f6 /include/linux/amba/bus.h | |
| parent | 84c164a34ffe67908a932a2d641ec1a80c2d5435 (diff) | |
| parent | 6ccf15a1a76d2ff915cdef6ae4d12d0170087118 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Diffstat (limited to 'include/linux/amba/bus.h')
| -rw-r--r-- | include/linux/amba/bus.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h index 8b103860783..b0c17401243 100644 --- a/include/linux/amba/bus.h +++ b/include/linux/amba/bus.h @@ -14,14 +14,19 @@ #ifndef ASMARM_AMBA_H #define ASMARM_AMBA_H +#include <linux/clk.h> #include <linux/device.h> +#include <linux/err.h> #include <linux/resource.h> #define AMBA_NR_IRQS 2 +struct clk; + struct amba_device { struct device dev; struct resource res; + struct clk *pclk; u64 dma_mask; unsigned int periphid; unsigned int irq[AMBA_NR_IRQS]; @@ -59,6 +64,12 @@ struct amba_device *amba_find_device(const char *, struct device *, unsigned int int amba_request_regions(struct amba_device *, const char *); void amba_release_regions(struct amba_device *); +#define amba_pclk_enable(d) \ + (IS_ERR((d)->pclk) ? 0 : clk_enable((d)->pclk)) + +#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) |