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phy: mediatek: add a new helper to update bitfield 

Due to FIELD_PREP() macro can be used to prepare a bitfield value,
local ones can be remove; add the new helper to make bitfield update
easier.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20220920090038.15133-2-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Chunfeng Yun 2022-09-20 17:00:21 +08:00 committed by Vinod Koul
parent 9d94396191
commit 29c0747755
1 changed files with 7 additions and 0 deletions
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7
drivers/phy/mediatek/phy-mtk-io.h
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@ -8,6 +8,7 @@
#ifndef __PHY_MTK_H__ #ifndef __PHY_MTK_H__
#define __PHY_MTK_H__ #define __PHY_MTK_H__
#include <linux/bitfield.h>
#include <linux/io.h> #include <linux/io.h>
static inline void mtk_phy_clear_bits(void __iomem *reg, u32 bits) static inline void mtk_phy_clear_bits(void __iomem *reg, u32 bits)
@ -35,4 +36,10 @@ static inline void mtk_phy_update_bits(void __iomem *reg, u32 mask, u32 val)
writel(tmp, reg); writel(tmp, reg);
} }
/* field @mask should be constant and continuous */
static inline void mtk_phy_update_field(void __iomem *reg, u32 mask, u32 val)
{
mtk_phy_update_bits(reg, mask, FIELD_PREP(mask, val));
}
#endif #endif