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serial: imx: Initialize lock for non-registered console
The commit a3cb39d ("serial: core: Allow detach and attach serial device for console") changed a bit logic behind lock initialization since for most of the console driver it's supposed to have lock already initialized even if console is not enabled. However, it's not the case for Freescale IMX console. Initialize lock explicitly in the ->probe(). Note, there is still an open question should or shouldn't not this driver register console properly. Fixes: a3cb39d ("serial: core: Allow detach and attach serial device for console") Reported-by: Guenter Roeck <linux@roeck-us.net> Cc: stable <stable@vger.kernel.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20200525105952.13744-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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