From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Tue, 20 May 2014 16:01:19 +0100 Subject: [PATCH 1/7] mfd: twl4030-power: Fix hang on reboot if sleep configuration was loaded earlier In-Reply-To: <1400031250-29542-2-git-send-email-tony@atomide.com> References: <1400031250-29542-1-git-send-email-tony@atomide.com> <1400031250-29542-2-git-send-email-tony@atomide.com> Message-ID: <20140520150119.GW24991@lee--X1> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, 13 May 2014, Tony Lindgren wrote: > Looks like we can still hit the issue of wrong load order of > twl4030 configuration. If we have a sleep configuration loaded, > and do a warm reset, the device can hang while initializing the > wakeup12 sequence. We do have a warning message about wrong order > of twl4030 configuration, but in this case it does not help as > the sleep configuration was loaded during the previous boot and > the state of twl4030 is maintained throughout the warm reset. > > Fix the issue by clearing any existing sleep configuration > before we load the warm reset configuration. > > Cc: Peter Ujfalusi > Signed-off-by: Tony Lindgren > --- > drivers/mfd/twl4030-power.c | 6 ++++++ > 1 file changed, 6 insertions(+) Can't vouch for the semantics of the patch, but the code looks good. Acked-by: Lee Jones Can I just apply this, or would you like Peter to review it first? -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org ? Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog