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authorchao bi <chao.bi@intel.com>2012-12-12 11:40:56 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-15 19:06:42 -0800
commit014b9b4ce84281ccb3d723c792bed19815f3571a (patch)
tree180434b6e2aa9cfb1e1913cf6f8821e48d406028 /drivers/tty/serial/ifx6x60.c
parentb7b9041b208d09c114d9d30ff1b7f860b7765f45 (diff)
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 <jun.d.chen@intel.com> Signed-off-by: channing <chao.bi@intel.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/ifx6x60.c')
-rw-r--r--drivers/tty/serial/ifx6x60.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c
index 675d94ab0aff..7eed3235dad4 100644
--- a/drivers/tty/serial/ifx6x60.c
+++ b/drivers/tty/serial/ifx6x60.c
@@ -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);
}