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/openbmc/linux/drivers/tty/serial/ |
H A D | mvebu-uart.c | 9c3d3ee1 Fri Oct 13 04:01:50 CDT 2017 Allen Yan <yanwei@marvell.com> serial: mvebu-uart: add soft reset at probe
The existing UART driver relies on the bootloader to initialize the port(s). However, the secondary uart port may not be initialized properly in early boot stage. This patch adds the UART soft reset when probing, for all ports.
Signed-off-by: Allen Yan <yanwei@marvell.com> Signed-off-by: Miquel Raynal <miquel.raynal@free-electrons.com> Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 9c3d3ee1 Fri Oct 13 04:01:50 CDT 2017 Allen Yan <yanwei@marvell.com> serial: mvebu-uart: add soft reset at probe The existing UART driver relies on the bootloader to initialize the port(s). However, the secondary uart port may not be initialized properly in early boot stage. This patch adds the UART soft reset when probing, for all ports. Signed-off-by: Allen Yan <yanwei@marvell.com> Signed-off-by: Miquel Raynal <miquel.raynal@free-electrons.com> Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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