i2c: stm32f7: add PM_SLEEP suspend/resume support

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Backup/restore I2C registers as part of the suspend/resume
handlers. The device is marked as suspended to ensure that
transfers are rejected during the suspended period.

Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Alain Volmat <alain.volmat@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

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Alain Volmat 2020-01-06 14:28:32 +01:00 • committed by Wolfram Sang

parent 9253975bcb

commit ea6dd25dee

1 changed files with 113 additions and 4 deletions

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117

drivers/i2c/busses/i2c-stm32f7.c

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