Messages in this thread | | | Date | Thu, 20 Mar 2014 15:49:41 +0000 | From | Lee Jones <> | Subject | Re: [PATCH] mfd: kempld-core: Fix potential hang-up during boot |
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> > > 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@kontron.com> > > > Tested-by: Michael Brunner <michael.brunner@kontron.com> > > > Signed-off-by: Guenter Roeck <linux@roeck-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. > > > > Hi Lee, > > Great. > > I should have added a note - the patch will also be needed in -stable; > the driver is used in both 3.12 and 3.13.
Very well. I'll add the Cc to the commit log.
-- 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@vger.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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