linux-kernel - [PATCH v4 18/31] i2c: tegra: Improve coding style of tegra_i2c_wait_for_config

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Message-Id: <20200905204151.25343-19-digetx@gmail.com>
Date:   Sat,  5 Sep 2020 23:41:38 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        Michał Mirosław <mirq-linux@...e.qmqm.pl>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     linux-i2c@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4 18/31] i2c: tegra: Improve coding style of tegra_i2c_wait_for_config_load()

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.

Signed-off-by: Dmitry Osipenko <digetx@...il.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 a2ae4dab8001..dc9948d816ac 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -700,25 +700,23 @@ 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