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Subject[PATCH v1 1/1] iio: dac: ltc2688: Use temporary variable for struct device
Date
Use temporary variable for struct device to make code neater.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
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
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