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| /openbmc/linux/drivers/tty/serial/ |
| H A D | stm32-usart.c | diff 56a23f9319e86e1d62a109896e2c7e52c414e67d Tue Jan 04 12:24:42 CST 2022 Valentin Caron <valentin.caron@foss.st.com> serial: stm32: move tx dma terminate DMA to shutdown
Terminate DMA transaction and clear CR3_DMAT when shutdown is requested,
instead of when remove is requested. If DMA transfer is not stopped in
shutdown ops, driver will fail to start a new DMA transfer after next
startup ops.
Fixes: 3489187204eb ("serial: stm32: adding dma support")
Signed-off-by: Erwan Le Ray <erwan.leray@foss.st.com>
Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
Link: https://lore.kernel.org/r/20220104182445.4195-2-valentin.caron@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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