From: Peter Korsgaard <peter.korsgaard@barco.com>
To: Ionut Nicu <ioan.nicu.ext@nsn.com>
Cc: Wolfram Sang <wsa@the-dreams.de>,
Alexander Sverdlin <alexander.sverdlin@nsn.com>,
<linux-i2c@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/2] i2c-mux-gpio: use gpio_set_value_cansleep()
Date: Fri, 11 Oct 2013 13:21:19 +0200 [thread overview]
Message-ID: <87wqlkgij4.fsf@thor.barco.com> (raw)
In-Reply-To: <5257CE71.5060408@nsn.com> (Ionut Nicu's message of "Fri, 11 Oct 2013 12:09:53 +0200")
>>>>> "IN" == Ionut Nicu <ioan.nicu.ext@nsn.com> writes:
IN> Some gpio chips may have get/set operations that
IN> can sleep. gpio_set_value() only works for chips
IN> which do not sleep, for the others we will get a
IN> kernel warning. Using gpio_set_value_cansleep()
IN> will work for both chips that do sleep and those
IN> who don't.
IN> Signed-off-by: Ionut Nicu <ioan.nicu.ext@nsn.com>
IN> ---
IN> drivers/i2c/muxes/i2c-mux-gpio.c | 4 ++--
IN> 1 files changed, 2 insertions(+), 2 deletions(-)
IN> diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c
IN> index a764da7..550e094 100644
IN> --- a/drivers/i2c/muxes/i2c-mux-gpio.c
IN> +++ b/drivers/i2c/muxes/i2c-mux-gpio.c
IN> @@ -30,8 +30,8 @@ static void i2c_mux_gpio_set(const struct gpiomux *mux, unsigned val)
IN> int i;
IN> for (i = 0; i < mux->data.n_gpios; i++)
IN> - gpio_set_value(mux->gpio_base + mux->data.gpios[i],
IN> - val & (1 << i));
IN> + gpio_set_value_cansleep(mux->gpio_base + mux->data.gpios[i],
IN> + val & (1 << i));
The indentation of the 2nd line seems wrong (should match
mux->gpio_base), otherwise it looks good:
Acked-by: Peter Korsgaard <peter.korsgaard@barco.com>
--
Sorry about disclaimer - It's out of my control.
Bye, Peter Korsgaard
This message is subject to the following terms and conditions: MAIL DISCLAIMER<http://www.barco.com/en/maildisclaimer>
next prev parent reply other threads:[~2013-10-11 11:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-11 10:09 [PATCH 1/2] i2c-mux-gpio: use gpio_set_value_cansleep() Ionut Nicu
2013-10-11 11:21 ` Peter Korsgaard [this message]
-- strict thread matches above, loose matches on Subject: below --
2013-10-11 12:17 Ionut Nicu
2013-10-30 16:28 ` Wolfram Sang
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