From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: Re: [PATCH 2/7] pinctrl: samsung: Ensure that pad retention is disabled on driver init Date: Wed, 25 Jan 2017 19:38:43 +0200 Message-ID: <20170125173843.veihl4hcm5iagmno@kozik-lap> References: <1485345031-2948-1-git-send-email-m.szyprowski@samsung.com> <1485345031-2948-3-git-send-email-m.szyprowski@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Return-path: Content-Disposition: inline In-Reply-To: <1485345031-2948-3-git-send-email-m.szyprowski@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org To: Marek Szyprowski Cc: linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Sylwester Nawrocki , Linus Walleij , Tomasz Figa , Lee Jones , Bartlomiej Zolnierkiewicz List-Id: linux-gpio@vger.kernel.org On Wed, Jan 25, 2017 at 12:50:26PM +0100, Marek Szyprowski wrote: > When pin controller device is a part of power domain, there is no guarantee > that the power domain was not turned off and then on during boot process > before probing of the pin control driver. If it happened, then pin control > driver should ensure that pad retention is turned off during its probe call. > > Signed-off-by: Marek Szyprowski > --- > drivers/pinctrl/samsung/pinctrl-exynos.c | 5 +++++ > 1 file changed, 5 insertions(+) > Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof