From mboxrd@z Thu Jan 1 00:00:00 1970 From: k.kozlowski@samsung.com (Krzysztof Kozlowski) Date: Fri, 19 Feb 2016 09:37:00 +0900 Subject: [PATCH 3/3] thermal: exynos: Defer probe if vtmu is present but not registered In-Reply-To: <1455819551-4666-4-git-send-email-javier@osg.samsung.com> References: <1455819551-4666-1-git-send-email-javier@osg.samsung.com> <1455819551-4666-4-git-send-email-javier@osg.samsung.com> Message-ID: <56C663AC.7030601@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 19.02.2016 03:19, Javier Martinez Canillas wrote: > The driver doesn't check if the regulator_get_optional return value is > -EPROBE_DEFER so it will wrongly assume that the regulator couldn't be > found just because the regulator driver wasn't registered yet, i.e: > > exynos-tmu 10060000.tmu: Regulator node (vtmu) not found > > In this case the return value should be propagated to allow the driver > probe function to be deferred until the regulator driver is registered. > > Signed-off-by: Javier Martinez Canillas > > --- > > drivers/thermal/samsung/exynos_tmu.c | 2 ++ > 1 file changed, 2 insertions(+) > Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof