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Commit 014b9b4c authored by chao bi's avatar chao bi Committed by Greg Kroah-Hartman
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serial:ifx6x60:Delete SPI timer when shut down port 



When shut down SPI port, it's possible that MRDY has been asserted and a SPI
timer was activated waiting for SRDY assert, in the case, it needs to delete
this timer.

Signed-off-by: default avatarChen Jun <jun.d.chen@intel.com>
Signed-off-by: default avatarchanning <chao.bi@intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b7b9041b

drivers/tty/serial/ifx6x60.c

+1 −0
Original line number Diff line number Diff line
@@ -637,6 +637,7 @@ static void ifx_port_shutdown(struct tty_port *port) 


	clear_bit(IFX_SPI_STATE_IO_AVAILABLE, &ifx_dev->flags);

	mrdy_set_low(ifx_dev);

	del_timer(&ifx_dev->spi_timer);

	clear_bit(IFX_SPI_STATE_TIMER_PENDING, &ifx_dev->flags);

	tasklet_kill(&ifx_dev->io_work_tasklet);

}