[PATCH v5 20/36] i2c: tegra: Improve coding style of tegra_i2c_wait_for_config_load()

Dmitry Osipenko
2020-09-06T18:54:40Z

Improve coding style of the tegra_i2c_wait_for_config_load() function by
removing need to wrap code in order make it more readable and to adhere to
the common kernel coding style.

Reviewed-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
drivers/i2c/busses/i2c-tegra.c | 34 ++++++++++++++++------------------
1 file changed, 16 insertions(+), 18 deletions(-)

diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 5ecc9f7c9b78..eea07aae2716 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -696,25 +696,23 @@ static int tegra_i2c_wait_for_config_load(struct tegra_i2c_dev *i2c_dev)
u32 val;
int err;

- if (i2c_dev->hw->has_config_load_reg) {
- reg_offset = tegra_i2c_reg_addr(i2c_dev, I2C_CONFIG_LOAD);
- addr = i2c_dev->base + reg_offset;
- i2c_writel(i2c_dev, I2C_MSTR_CONFIG_LOAD, I2C_CONFIG_LOAD);
-
- if (i2c_dev->is_curr_atomic_xfer)
- err = readl_relaxed_poll_timeout_atomic(
- addr, val, val == 0, 1000,
- I2C_CONFIG_LOAD_TIMEOUT);
- else
- err = readl_relaxed_poll_timeout(
- addr, val, val == 0, 1000,
- I2C_CONFIG_LOAD_TIMEOUT);
+ if (!i2c_dev->hw->has_config_load_reg)
+ return 0;

- if (err) {
- dev_warn(i2c_dev->dev,
- "timeout waiting for config load\n");
- return err;
- }
+ reg_offset = tegra_i2c_reg_addr(i2c_dev, I2C_CONFIG_LOAD);
+ addr = i2c_dev->base + reg_offset;
+ i2c_writel(i2c_dev, I2C_MSTR_CONFIG_LOAD, I2C_CONFIG_LOAD);
+
+ if (i2c_dev->is_curr_atomic_xfer)
+ err = readl_relaxed_poll_timeout_atomic(addr, val, val == 0, 1000,
+ I2C_CONFIG_LOAD_TIMEOUT);
+ else
+ err = readl_relaxed_poll_timeout(addr, val, val == 0, 1000,
+ I2C_CONFIG_LOAD_TIMEOUT);
+
+ if (err) {
+ dev_warn(i2c_dev->dev, "timeout waiting for config load\n");
+ return err;
}

return 0;
--
2.27.0