From: Jonathan Cameron <jic23@kernel.org>
To: Philippe Schenker <dev@pschenker.ch>
Cc: linux-iio@vger.kernel.org, Stefan Agner <stefan@agner.ch>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
Philippe Schenker <philippe.schenker@toradex.com>,
Max Krummenacher <max.krummenacher@toradex.com>,
Alexandre Torgue <alexandre.torgue@st.com>,
linux-kernel@vger.kernel.org, Lee Jones <lee.jones@linaro.org>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/3] iio: stmpe-adc: Remove unnecessary assignment
Date: Sun, 5 May 2019 16:39:01 +0100 [thread overview]
Message-ID: <20190505163901.2cc9dec9@archlinux> (raw)
In-Reply-To: <20190503135725.9959-1-dev@pschenker.ch>
On Fri, 3 May 2019 15:57:23 +0200
Philippe Schenker <dev@pschenker.ch> wrote:
> From: Philippe Schenker <philippe.schenker@toradex.com>
>
> Remove unnecessary assignment. This could potentially cause an issue, if
> the wait function runs into a timeout. Furthermore is this assignment also
> not there in stmpe_read_temp()
>
> Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
This would probably have benefited from a statement that *val is set
twice currently. Good find.
Applied to the togreg branch of iio.git and pushed out as testing
for the autobuilders to play with it.
Thanks,
Jonathan
> ---
>
> drivers/iio/adc/stmpe-adc.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/iio/adc/stmpe-adc.c b/drivers/iio/adc/stmpe-adc.c
> index 37f4b74a5d32..87141177fbda 100644
> --- a/drivers/iio/adc/stmpe-adc.c
> +++ b/drivers/iio/adc/stmpe-adc.c
> @@ -78,8 +78,6 @@ static int stmpe_read_voltage(struct stmpe_adc *info,
> stmpe_reg_write(info->stmpe, STMPE_REG_ADC_CAPT,
> STMPE_ADC_CH(info->channel));
>
> - *val = info->value;
> -
> ret = wait_for_completion_interruptible_timeout
> (&info->completion, STMPE_ADC_TIMEOUT);
>
prev parent reply other threads:[~2019-05-05 15:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-03 13:57 [PATCH 1/3] iio: stmpe-adc: Remove unnecessary assignment Philippe Schenker
2019-05-03 13:57 ` [PATCH 2/3] iio: stmpe-adc: Make wait_completion non interruptible Philippe Schenker
2019-05-03 14:39 ` David Laight
2019-05-03 15:58 ` Philippe Schenker
[not found] ` <20190505164409.7976f43e@archlinux>
[not found] ` <4df31129d19c4128a4bbc5e0575886af@AcuMS.aculab.com>
2019-05-07 14:31 ` Philippe Schenker
2019-05-03 13:57 ` [PATCH 3/3] iio: stmpe-adc: Enable all stmpe-adc interrupts just once Philippe Schenker
2019-05-05 15:45 ` Jonathan Cameron
2019-05-07 14:32 ` Philippe Schenker
2019-05-05 15:39 ` Jonathan Cameron [this message]
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