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Date: Thu, 20 Mar 2014 15:28:12 +0000 From: Lee Jones <lee.jones@...aro.org> To: Guenter Roeck <linux@...ck-us.net> Cc: linux-kernel@...r.kernel.org, Samuel Ortiz <sameo@...ux.intel.com>, Michael Brunner <michael.brunner@...tron.com> Subject: Re: [PATCH] mfd: kempld-core: Fix potential hang-up during boot > On PXT and COMe-cPC2 boards it is observed that the hardware > mutex is acquired but not being released during initialization. > This can result in a hang-up during boot if the driver is built > into the kernel. > > Releasing the mutex twice if it was acquired fixes the problem. > Subsequent request/release cycles work as expected, so the fix is > only needed during initialization. > > Reviewed-by: Michael Brunner <michael.brunner@...tron.com> > Tested-by: Michael Brunner <michael.brunner@...tron.com> > Signed-off-by: Guenter Roeck <linux@...ck-us.net> > --- > drivers/mfd/kempld-core.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) I was going to stop taking patches for this cycle, but as this looks like a bugfix I'll apply it, thanks. -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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