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The pointer reg is assigned a value that is never read, it is later
overwritten with a new value, hence the redundant initialization can
be removed.
Cleans up clang warning:
drivers/i2c/busses/i2c-stm32f4.c:352:16: warning: Value stored to 'reg'
during its initialization is never read
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Uniformize STMicroelectronics copyrights headers and add SPDX
identifier.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Acked-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Acked-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This patch uses a more generic definition of speed enum for i2c-stm32f4
driver.
Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Reviewed-by: Ludovic BARRE <ludovic.barre@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Commit a53e35db70d1 ("reset: Ensure drivers are explicit when requesting
reset lines") started to transition the reset control request API calls
to explicitly state whether the driver needs exclusive or shared reset
control behavior. Convert all drivers requesting exclusive resets to the
explicit API call so the temporary transition helpers can be removed.
No functional changes.
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: linux-i2c@vger.kernel.org
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Check for i2c_algorithm and i2c_adapter_quirks structures that are only
stored in the algo and quirks fields of an i2c_adapter structure
correspondingly. These fields are declared const, so i2c_algorithm and
i2c_adapter_quirks structures that have this property can be declared
as const also.
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> (for designware)
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This patch adds support for the STM32F4 I2C controller.
Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Colin Ian King
Benjamin Gaignard
Pierre-Yves MORDRET
Philipp Zabel
Gustavo A. R. Silva
M'boumba Cedric Madianga