> From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Sent: Wednesday, March 2, 2022 4:32 PM
> To: Sa, Nuno <Nuno.Sa@xxxxxxxxxx>; Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx>; linux-iio@xxxxxxxxxxxxxxx;
> linux-kernel@xxxxxxxxxxxxxxx
> Cc: Jonathan Cameron <jic23@xxxxxxxxxx>; Lars-Peter Clausen
> <lars@xxxxxxxxxx>
> Subject: [PATCH v1 1/1] iio: dac: ltc2688: Use temporary variable for
> struct device
>
> [External]
>
> Use temporary variable for struct device to make code neater.
>
> Signed-off-by: Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
Reviewed-by: Nuno Sá <nuno.sa@xxxxxxxxxx>
> drivers/iio/dac/ltc2688.c | 19 +++++++++----------
> 1 file changed, 9 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/iio/dac/ltc2688.c b/drivers/iio/dac/ltc2688.c
> index e41861d29767..d249fa28202c 100644
> --- a/drivers/iio/dac/ltc2688.c
> +++ b/drivers/iio/dac/ltc2688.c
> @@ -703,21 +703,20 @@ static int ltc2688_tgp_clk_setup(struct
> ltc2688_state *st,
> struct ltc2688_chan *chan,
> struct fwnode_handle *node, int tgp)
> {
> + struct device *dev = &st->spi->dev;
> unsigned long rate;
> struct clk *clk;
> int ret, f;
>
> - clk = devm_get_clk_from_child(&st->spi->dev,
> to_of_node(node), NULL);
> + clk = devm_get_clk_from_child(dev, to_of_node(node),
> NULL);
> if (IS_ERR(clk))
> - return dev_err_probe(&st->spi->dev, PTR_ERR(clk),
> - "failed to get tgp clk.\n");
> + return dev_err_probe(dev, PTR_ERR(clk), "failed to get
> tgp clk.\n");
>
> ret = clk_prepare_enable(clk);
> if (ret)
> - return dev_err_probe(&st->spi->dev, ret,
> - "failed to enable tgp clk.\n");
> + return dev_err_probe(dev, ret, "failed to enable tgp
> clk.\n");
>
> - ret = devm_add_action_or_reset(&st->spi->dev,
> ltc2688_clk_disable, clk);
> + ret = devm_add_action_or_reset(dev, ltc2688_clk_disable,
> clk);
> if (ret)
> return ret;
>
> @@ -858,6 +857,7 @@ static int ltc2688_channel_config(struct
> ltc2688_state *st)
>
> static int ltc2688_setup(struct ltc2688_state *st, struct regulator *vref)
> {
> + struct device *dev = &st->spi->dev;
> struct gpio_desc *gpio;
> int ret;
>
> @@ -865,10 +865,9 @@ static int ltc2688_setup(struct ltc2688_state
> *st, struct regulator *vref)
> * If we have a reset pin, use that to reset the board, If not, use
> * the reset bit.
> */
> - gpio = devm_gpiod_get_optional(&st->spi->dev, "clr",
> GPIOD_OUT_HIGH);
> + gpio = devm_gpiod_get_optional(dev, "clr",
> GPIOD_OUT_HIGH);
> if (IS_ERR(gpio))
> - return dev_err_probe(&st->spi->dev, PTR_ERR(gpio),
> - "Failed to get reset gpio");
> + return dev_err_probe(dev, PTR_ERR(gpio), "Failed to
> get reset gpio");
> if (gpio) {
> usleep_range(1000, 1200);
> /* bring device out of reset */
> @@ -887,7 +886,7 @@ static int ltc2688_setup(struct ltc2688_state *st,
> struct regulator *vref)
> * Duplicate the default channel configuration as it can change
> during
> * @ltc2688_channel_config()
> */
> - st->iio_chan = devm_kmemdup(&st->spi->dev,
> ltc2688_channels,
> + st->iio_chan = devm_kmemdup(dev, ltc2688_channels,
> sizeof(ltc2688_channels),
> GFP_KERNEL);
> if (!st->iio_chan)
> return -ENOMEM;
> --
> 2.34.1
