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From: Daniel Golle <daniel@makrotopia.org>
To: "Michael Turquette" <mturquette@baylibre.com>,
	"Stephen Boyd" <sboyd@kernel.org>,
	"Matthias Brugger" <matthias.bgg@gmail.com>,
	"AngeloGioacchino Del Regno"
	<angelogioacchino.delregno@collabora.com>,
	"Daniel Golle" <daniel@makrotopia.org>,
	"Nícolas F. R. A. Prado" <nfraprado@collabora.com>,
	"Laura Nao" <laura.nao@collabora.com>,
	"Chen-Yu Tsai" <wenst@chromium.org>,
	"Weiyi Lu" <weiyi.lu@mediatek.com>,
	"Chun-Jie Chen" <chun-jie.chen@mediatek.com>,
	"Ikjoon Jang" <ikjn@chromium.org>,
	"Sam Shih" <sam.shih@mediatek.com>,
	linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org
Subject: [PATCH v2 0/3] clk: mediatek: fix gate-less mux definitions
Date: Thu, 26 Mar 2026 05:09:22 +0000	[thread overview]
Message-ID: <cover.1774499536.git.daniel@makrotopia.org> (raw)

Some MediaTek clock drivers define gate-less muxes without an update
register using MUX_GATE_CLR_SET_UPD, passing -1 as a sentinel for the
absent gate and update fields.  Since those fields are stored in u8 and
u32 struct members, the -1 truncates to unexpected values.

Add MUX_CLR_SET, a wrapper around MUX_CLR_SET_UPD that hardcodes the
absent fields, and convert the affected mux definitions in mt8192 and
mt7988 to use it.

Daniel Golle (3):
  clk: mediatek: add MUX_CLR_SET macro
  clk: mediatek: mt8192: use MUX_CLR_SET
  clk: mediatek: mt7988: use MUX_CLR_SET for gate-less muxes

 drivers/clk/mediatek/clk-mt7988-infracfg.c | 80 ++++++++++------------
 drivers/clk/mediatek/clk-mt8192.c          |  4 +-
 drivers/clk/mediatek/clk-mux.h             |  6 ++
 3 files changed, 46 insertions(+), 44 deletions(-)

-- 
2.53.0

             reply	other threads:[~2026-03-26  5:09 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-26  5:09 Daniel Golle [this message]
2026-03-26  5:09 ` [PATCH v2 1/3] clk: mediatek: add MUX_CLR_SET macro Daniel Golle
2026-03-26  6:37   ` Chen-Yu Tsai
2026-03-26  5:10 ` [PATCH v2 2/3] clk: mediatek: mt8192: use MUX_CLR_SET Daniel Golle
2026-03-26  6:37   ` Chen-Yu Tsai
2026-03-26  5:11 ` [PATCH v2 3/3] clk: mediatek: mt7988: use MUX_CLR_SET for gate-less muxes Daniel Golle
2026-03-26  6:39   ` Chen-Yu Tsai

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