[PATCH] serial: imx: protect Soft Reset of port with lock
gregkh at linuxfoundation.org
Thu Mar 26 15:01:13 PDT 2015
On Fri, Mar 13, 2015 at 03:38:11PM +0900, Jiada Wang wrote:
> Previously Soft Reset (clear of SRST bit in UCR2 register)
> of UART in startup is not protected by lock, which may have race
> with console_write, as console_write may occur at anytime even
> when UART port is shutdown.
> To avoid this race, protect Soft reset of UART port with spin_lock.
> Signed-off-by: Jiada Wang <jiada_wang at mentor.com>
> drivers/tty/serial/imx.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
Doesn't apply to my tree :(
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