linux-kernel - [PATCH v2 0/2] clk/mediatek: Adjustments for MSDC rate accuracy

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Message-Id: <20230516135205.372951-1-angelogioacchino.delregno@collabora.com>
Date:   Tue, 16 May 2023 15:52:03 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     mturquette@...libre.com
Cc:     sboyd@...nel.org, matthias.bgg@...il.com,
        angelogioacchino.delregno@...labora.com, wenst@...omium.org,
        chun-jie.chen@...iatek.com, mandyjh.liu@...iatek.com,
        miles.chen@...iatek.com, zhaojh329@...il.com,
        daniel@...rotopia.org, nfraprado@...labora.com,
        rex-bc.chen@...iatek.com, Garmin.Chang@...iatek.com,
        msp@...libre.com, yangyingliang@...wei.com,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, kernel@...labora.com
Subject: [PATCH v2 0/2] clk/mediatek: Adjustments for MSDC rate accuracy

Changes in v2:
  - Extended the changes in this series to MT8365 clocks

This series stops unconditionally forcing CLK_SET_RATE_PARENT on
MediaTek muxes, as that should be set in the clock driver for each
clock requiring it, and removes CLK_SET_PARENT from all MSDC core
clocks to allow mtk-sd to select the right clock parent when doing
mclk setting, improving the rate accuracy and avoiding both under
and overclocks of the eMMC/SD/SDIO card, both improving performance
and stability of the attached storage.

This series was successfully tested on MT8173, MT8192, MT8195.

AngeloGioacchino Del Regno (2):
  clk: mediatek: mux: Stop forcing CLK_SET_RATE_PARENT flag
  clk: mediatek: Remove CLK_SET_PARENT from all MSDC core clocks

 drivers/clk/mediatek/clk-mt6765.c          | 20 +++++-----
 drivers/clk/mediatek/clk-mt6779.c          | 24 +++++------
 drivers/clk/mediatek/clk-mt7981-topckgen.c | 12 +++---
 drivers/clk/mediatek/clk-mt7986-topckgen.c | 12 +++---
 drivers/clk/mediatek/clk-mt8173-topckgen.c | 24 +++++------
 drivers/clk/mediatek/clk-mt8183.c          | 22 ++++++-----
 drivers/clk/mediatek/clk-mt8186-topckgen.c | 24 +++++------
 drivers/clk/mediatek/clk-mt8188-topckgen.c | 40 +++++++++++--------
 drivers/clk/mediatek/clk-mt8192.c          | 23 +++++------
 drivers/clk/mediatek/clk-mt8195-topckgen.c | 46 +++++++++++++---------
 drivers/clk/mediatek/clk-mt8365.c          | 38 +++++++++---------
 drivers/clk/mediatek/clk-mux.c             |  2 +-
 12 files changed, 155 insertions(+), 132 deletions(-)

-- 
2.40.1