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: Chen Jun <[email protected]>
Signed-off-by: channing <[email protected]>
Cc: stable <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
chao bi 2012-12-12 11:40:56 +08:00 • committed by Greg Kroah-Hartman
commit 014b9b4ce8

View file

@ -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);
}