From: Stephen Boyd <sboyd@kernel.org>
To: airlied@linux.ie, alexandre.torgue@st.com,
andy.shevchenko@gmail.com, broonie@kernel.org, daniel@ffwll.ch,
dillon.minfei@gmail.com, linus.walleij@linaro.org,
mcoquelin.stm32@gmail.com, mturquette@baylibre.com,
noralf@tronnes.org, p.zabel@pengutronix.de, robh+dt@kernel.org,
sam@ravnborg.org, thierry.reding@gmail.com
Cc: devicetree@vger.kernel.org, dillonhua@gmail.com,
linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org, linux-spi@vger.kernel.org,
dillon min <dillon.minfei@gmail.com>,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v6 6/9] clk: stm32: Fix ltdc's clock turn off by clk_disable_unused() after kernel startup
Date: Wed, 27 May 2020 01:35:08 -0700 [thread overview]
Message-ID: <159056850835.88029.9264848839121822798@swboyd.mtv.corp.google.com> (raw)
In-Reply-To: <1590564453-24499-7-git-send-email-dillon.minfei@gmail.com>
Quoting dillon.minfei@gmail.com (2020-05-27 00:27:30)
> From: dillon min <dillon.minfei@gmail.com>
>
> stm32's clk driver register two ltdc gate clk to clk core by
> clk_hw_register_gate() and clk_hw_register_composite()
>
> first: 'stm32f429_gates[]', clk name is 'ltdc', which no user to use.
> second: 'stm32f429_aux_clk[]', clk name is 'lcd-tft', used by ltdc driver
>
> both of them point to the same offset of stm32's RCC register. after
> kernel enter console, clk core turn off ltdc's clk as 'stm32f429_gates[]'
> is no one to use. but, actually 'stm32f429_aux_clk[]' is in use.
>
> Fixes: daf2d117cbca ("clk: stm32f4: Add lcd-tft clock")
> Signed-off-by: dillon min <dillon.minfei@gmail.com>
> ---
Acked-by: Stephen Boyd <sboyd@kernel.org>
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next prev parent reply other threads:[~2020-05-27 8:35 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-27 7:27 [PATCH v6 0/9] Enable ili9341 and l3gd20 on stm32f429-disco dillon.minfei
2020-05-27 7:27 ` [PATCH v6 1/9] ARM: dts: stm32: Add dma config for spi5 dillon.minfei
2020-05-27 7:27 ` [PATCH v6 2/9] ARM: dts: stm32: Add pin map for ltdc & spi5 on stm32f429-disco board dillon.minfei
2020-06-15 9:45 ` Alexandre Torgue
2020-06-15 10:05 ` dillon min
2020-05-27 7:27 ` [PATCH v6 3/9] ARM: dts: stm32: enable ltdc binding with ili9341, gyro l3gd20 on stm32429-disco board dillon.minfei
2020-05-27 7:27 ` [PATCH v6 4/9] dt-bindings: display: panel: Add ilitek ili9341 panel bindings dillon.minfei
2020-05-29 16:17 ` Rob Herring
2020-05-27 7:27 ` [PATCH v6 5/9] clk: stm32: Fix stm32f429's ltdc driver hang in set clock rate dillon.minfei
2020-05-27 8:35 ` Stephen Boyd
2021-03-10 11:43 ` dillon min
2020-05-27 7:27 ` [PATCH v6 6/9] clk: stm32: Fix ltdc's clock turn off by clk_disable_unused() after kernel startup dillon.minfei
2020-05-27 8:35 ` Stephen Boyd [this message]
2021-03-10 11:43 ` dillon min
2020-05-27 7:27 ` [PATCH v6 7/9] drm/panel: Add ilitek ili9341 panel driver dillon.minfei
2020-05-27 7:27 ` [PATCH v6 8/9] spi: stm32: Add 'SPI_SIMPLEX_RX', 'SPI_3WIRE_RX' support for stm32f4 dillon.minfei
2020-05-27 9:51 ` Mark Brown
2020-05-27 10:45 ` dillon min
2020-05-27 11:18 ` Mark Brown
2020-05-27 7:27 ` [PATCH v6 9/9] spi: flags 'SPI_CONTROLLER_MUST_RX' and 'SPI_CONTROLLER_MUST_TX' can't be coexit with 'SPI_3WIRE' mode dillon.minfei
2020-06-15 8:49 ` [PATCH v6 0/9] Enable ili9341 and l3gd20 on stm32f429-disco Alexandre Torgue
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