diff options
| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2022-09-20 17:00:21 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2022-09-24 11:57:49 +0530 |
| commit | 29c07477556eb68a64f0ff53235feb0bd1cf1f63 (patch) | |
| tree | fa211c0ef049120d37e7ff0d400c8805d6b1a137 /drivers/phy | |
| parent | 9d943961912cdbbe33d04ca0144b27997f890d10 (diff) | |
| download | lwn-29c07477556eb68a64f0ff53235feb0bd1cf1f63.tar.gz lwn-29c07477556eb68a64f0ff53235feb0bd1cf1f63.zip | |
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>
Diffstat (limited to 'drivers/phy')
| -rw-r--r-- | drivers/phy/mediatek/phy-mtk-io.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/phy/mediatek/phy-mtk-io.h b/drivers/phy/mediatek/phy-mtk-io.h index 500fcdab165d..a723d4afc9b4 100644 --- a/drivers/phy/mediatek/phy-mtk-io.h +++ b/drivers/phy/mediatek/phy-mtk-io.h @@ -8,6 +8,7 @@ #ifndef __PHY_MTK_H__ #define __PHY_MTK_H__ +#include <linux/bitfield.h> #include <linux/io.h> 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); } +/* 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 |