From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: Chunfeng Yun <chunfeng.yun@mediatek.com>,
Chun-Kuang Hu <chunkuang.hu@kernel.org>,
Vinod Koul <vkoul@kernel.org>
Cc: Philipp Zabel <p.zabel@pengutronix.de>,
Kishon Vijay Abraham I <kishon@ti.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
dri-devel@lists.freedesktop.org,
linux-mediatek@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org,
Jitao Shi <jitao.shi@mediatek.com>,
Stanley Chu <stanley.chu@mediatek.com>
Subject: Re: [PATCH 01/18] phy: mediatek: add a new helper to update bitfield
Date: Wed, 21 Sep 2022 10:15:39 +0200 [thread overview]
Message-ID: <2d13b383-7d25-240b-bdbb-e53848df4d47@collabora.com> (raw)
In-Reply-To: <20220920090038.15133-2-chunfeng.yun@mediatek.com>
Il 20/09/22 11:00, Chunfeng Yun ha scritto:
> 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>
> ---
> drivers/phy/mediatek/phy-mtk-io.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> 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 */
"Field @mask shall be [...]"
^^^^^
> +static inline void mtk_phy_update_field(void __iomem *reg, u32 mask, u32 val)
...so, (void __iomem *reg, const u32 mask, u32 val)
> +{
> + mtk_phy_update_bits(reg, mask, FIELD_PREP(mask, val));
> +}
> +
> #endif
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next prev parent reply other threads:[~2022-09-21 8:26 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-20 9:00 [PATCH 00/18] unify register access and macros Chunfeng Yun
2022-09-20 9:00 ` [PATCH 01/18] phy: mediatek: add a new helper to update bitfield Chunfeng Yun
2022-09-21 8:15 ` AngeloGioacchino Del Regno [this message]
2022-09-22 2:36 ` Chunfeng Yun
2022-09-22 7:17 ` AngeloGioacchino Del Regno
2022-09-23 6:03 ` Chunfeng Yun
2022-09-20 9:00 ` [PATCH 02/18] phy: mediatek: tphy: remove macros to prepare bitfield value Chunfeng Yun
2022-09-20 9:00 ` [PATCH 03/18] phy: mediatek: xsphy: remove macros used " Chunfeng Yun
2022-09-20 9:00 ` [PATCH 04/18] phy: mediatek: ufs: use common register access helpers Chunfeng Yun
2022-09-21 8:13 ` AngeloGioacchino Del Regno
2022-09-20 9:00 ` [PATCH 05/18] phy: mediatek: pcie: use new helper to update register bits Chunfeng Yun
2022-09-21 8:13 ` AngeloGioacchino Del Regno
2022-09-20 9:00 ` [PATCH 06/18] phy: mediatek: hdmi: mt2701: use GENMASK and BIT to generate mask and bits Chunfeng Yun
2022-09-21 8:13 ` AngeloGioacchino Del Regno
2022-09-20 9:00 ` [PATCH 07/18] phy: mediatek: hdmi: mt2701: use FIELD_PREP to prepare bits field Chunfeng Yun
2022-09-21 8:13 ` AngeloGioacchino Del Regno
2022-09-20 9:00 ` [PATCH 08/18] phy: mediatek: hdmi: mt2701: use common helper to access registers Chunfeng Yun
2022-09-21 8:13 ` AngeloGioacchino Del Regno
2022-09-20 9:00 ` [PATCH 09/18] phy: mediatek: hdmi: mt8173: use GENMASK to generate bits mask Chunfeng Yun
2022-09-21 8:13 ` AngeloGioacchino Del Regno
2022-09-20 9:00 ` [PATCH 10/18] phy: mediatek: hdmi: mt8173: use FIELD_PREP to prepare bits field Chunfeng Yun
2022-09-21 8:13 ` AngeloGioacchino Del Regno
2022-09-20 9:00 ` [PATCH 11/18] phy: mediatek: hdmi: mt8173: use common helper to access registers Chunfeng Yun
2022-09-21 8:14 ` AngeloGioacchino Del Regno
2022-09-20 9:00 ` [PATCH 12/18] phy: mediatek: hdmi: remove register access helpers Chunfeng Yun
2022-09-21 8:13 ` AngeloGioacchino Del Regno
2022-09-20 9:00 ` [PATCH 13/18] phy: mediatek: mipi: mt8173: use GENMASK to generate bits mask Chunfeng Yun
2022-09-21 8:13 ` AngeloGioacchino Del Regno
2022-09-20 9:00 ` [PATCH 14/18] phy: mediatek: mipi: mt8173: use FIELD_PREP to prepare bits field Chunfeng Yun
2022-09-21 8:14 ` AngeloGioacchino Del Regno
2022-09-20 9:00 ` [PATCH 15/18] phy: mediatek: mipi: mt8173: use common helper to access registers Chunfeng Yun
2022-09-21 8:14 ` AngeloGioacchino Del Regno
2022-09-20 9:00 ` [PATCH 16/18] phy: mediatek: mipi: mt8183: use GENMASK to generate bits mask Chunfeng Yun
2022-09-21 8:14 ` AngeloGioacchino Del Regno
2022-09-20 9:00 ` [PATCH 17/18] phy: mediatek: mipi: mt8183: use common helper to access registers Chunfeng Yun
2022-09-21 8:14 ` AngeloGioacchino Del Regno
2022-09-20 9:00 ` [PATCH 18/18] phy: mediatek: mipi: remove register access helpers Chunfeng Yun
2022-09-21 8:15 ` AngeloGioacchino Del Regno
2022-09-24 6:28 ` [PATCH 00/18] unify register access and macros Vinod Koul
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