From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gregory CLEMENT Subject: Re: [PATCH] pinctrl: ocelot: fix gpio direction Date: Thu, 22 Mar 2018 16:29:17 +0100 Message-ID: <87muz0w2lu.fsf@bootlin.com> References: <20180322123500.2379-1-alexandre.belloni@bootlin.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20180322123500.2379-1-alexandre.belloni@bootlin.com> (Alexandre Belloni's message of "Thu, 22 Mar 2018 13:35:00 +0100") Sender: linux-kernel-owner@vger.kernel.org To: Alexandre Belloni Cc: Linus Walleij , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-gpio@vger.kernel.org Hi Alexandre, On jeu., mars 22 2018, Alexandre Belloni wrote: > Bits have to be cleared in DEVCPU_GCB:GPIO:GPIO_OE for input and set for > output. ocelot_gpio_set_direction() got it wrong and this went unnoticed > when the driver was reworked. > > Reported-by: Gregory Clement > Signed-off-by: Alexandre Belloni Acked-by: Gregory CLEMENT Thanks, Gregory > --- > drivers/pinctrl/pinctrl-ocelot.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c > index a9423238471e..b5b3547fdcb2 100644 > --- a/drivers/pinctrl/pinctrl-ocelot.c > +++ b/drivers/pinctrl/pinctrl-ocelot.c > @@ -252,7 +252,7 @@ static int ocelot_gpio_set_direction(struct pinctrl_dev *pctldev, > struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); > > regmap_update_bits(info->map, OCELOT_GPIO_OE, BIT(pin), > - input ? BIT(pin) : 0); > + input ? 0 : BIT(pin)); > > return 0; > } > -- > 2.16.2 > -- Gregory Clement, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering http://bootlin.com