From mboxrd@z Thu Jan 1 00:00:00 1970 From: ameya.palande@nokia.com (Ameya Palande) Date: Tue, 5 Apr 2011 15:00:11 +0300 Subject: [PATCHv2] omap: rx51: Platform support for lp5523 led chip In-Reply-To: <20110331154421.GN5465@legolas.emea.dhcp.ti.com> References: <1301578692-29286-1-git-send-email-ameya.palande@nokia.com> <20110331142635.GF5465@legolas.emea.dhcp.ti.com> <4D949E18.6090704@nokia.com> <20110331154421.GN5465@legolas.emea.dhcp.ti.com> Message-ID: <4D9B044B.7000604@nokia.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Felipe, On 03/31/2011 06:44 PM, ext Felipe Balbi wrote: > On Thu, Mar 31, 2011 at 06:30:32PM +0300, Ameya Palande wrote: >> Hi Felipe, >> >> On 03/31/2011 05:26 PM, ext Felipe Balbi wrote: >>> Hi, >>> >>> On Thu, Mar 31, 2011 at 04:38:12PM +0300, Ameya Palande wrote: >>>> +static int rx51_lp5523_setup(void) >>>> +{ >>>> + int err; >>>> + >>>> + err = gpio_request_one(RX51_LP5523_CHIP_EN_GPIO, GPIOF_DIR_OUT, >>>> + "lp5523_enable"); >>>> + if (err< 0) { >>>> + pr_err("Unable to get lp5523_enable GPIO\n"); >>>> + return err; >>>> + } >>>> + >>>> + return err; >>> >>> isn't enough to return gpio_request_one(RX51_LP5523_CHIP_EN_GPIO, >>> GPIOF_DIR_OUT, "lp5523_enable"); ?? >> >> But then we won't know the failure reason for lp5523_probe() >> I would prefer printing an error! > > see that both gpio_request() and gpio_direction_output() have debugging > prints for error cases ;-) Any comments about the version 3 of this patch? Cheers, Ameya.