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 <jun.d.chen@xxxxxxxxx>
Signed-off-by: channing <chao.bi@xxxxxxxxx>
---
drivers/tty/serial/ifx6x60.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c
index 5b9bc19..467020b 100644
--- a/drivers/tty/serial/ifx6x60.c
+++ b/drivers/tty/serial/ifx6x60.c
@@ -552,7 +552,10 @@ static void ifx_port_shutdown(struct tty_port *port)
container_of(port, struct ifx_spi_device, tty_port);
mrdy_set_low(ifx_dev);
- clear_bit(IFX_SPI_STATE_TIMER_PENDING, &ifx_dev->flags);
+ if (test_and_clear_bit(IFX_SPI_STATE_TIMER_PENDING,
+ &ifx_dev->flags)) {
+ del_timer(&ifx_dev->spi_timer);
+ }
tasklet_kill(&ifx_dev->io_work_tasklet);
}
--
1.7.1
--
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