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ARM: 9172/1: amba: Cleanup amba pclk operation

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There is no user about amba_pclk_[un]prepare() besides pl330.c,
directly use clk_[un]prepare(). After this, all the function about
amba pclk operation, enable, disable, [un]prepare could be killed.

Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Wang Kefeng 2021-12-18 09:30:40 +01:00 committed by Russell King (Oracle)
parent e783362eb5
commit 25d490eb46
2 changed files with 2 additions and 22 deletions
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4
drivers/dma/pl330.c
View File

@ -2968,7 +2968,7 @@ static int __maybe_unused pl330_suspend(struct device *dev)
struct amba_device *pcdev = to_amba_device(dev); struct amba_device *pcdev = to_amba_device(dev);
pm_runtime_force_suspend(dev); pm_runtime_force_suspend(dev);
amba_pclk_unprepare(pcdev); clk_unprepare(pcdev->pclk);
return 0; return 0;
} }
@ -2978,7 +2978,7 @@ static int __maybe_unused pl330_resume(struct device *dev)
struct amba_device *pcdev = to_amba_device(dev); struct amba_device *pcdev = to_amba_device(dev);
int ret; int ret;
ret = amba_pclk_prepare(pcdev); ret = clk_prepare(pcdev->pclk);
if (ret) if (ret)
return ret; return ret;

20
include/linux/amba/bus.h
View File

@ -121,26 +121,6 @@ struct amba_device *amba_find_device(const char *, struct device *, unsigned int
int amba_request_regions(struct amba_device *, const char *); int amba_request_regions(struct amba_device *, const char *);
void amba_release_regions(struct amba_device *); void amba_release_regions(struct amba_device *);
static inline int amba_pclk_enable(struct amba_device *dev)
{
return clk_enable(dev->pclk);
}
static inline void amba_pclk_disable(struct amba_device *dev)
{
clk_disable(dev->pclk);
}
static inline int amba_pclk_prepare(struct amba_device *dev)
{
return clk_prepare(dev->pclk);
}
static inline void amba_pclk_unprepare(struct amba_device *dev)
{
clk_unprepare(dev->pclk);
}
/* Some drivers don't use the struct amba_device */ /* Some drivers don't use the struct amba_device */
#define AMBA_CONFIG_BITS(a) (((a) >> 24) & 0xff) #define AMBA_CONFIG_BITS(a) (((a) >> 24) & 0xff)
#define AMBA_REV_BITS(a) (((a) >> 20) & 0x0f) #define AMBA_REV_BITS(a) (((a) >> 20) & 0x0f)