linux-kernel - [PATCH v1 3/4] i2c: mpc: Use device_get_match

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Message-Id: <20210413143756.60138-3-andriy.shevchenko@linux.intel.com>
Date:   Tue, 13 Apr 2021 17:37:55 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Chris Packham <chris.packham@...iedtelesis.co.nz>, wsa@...nel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 3/4] i2c: mpc: Use device_get_match_data() helper

Use the device_get_match_data() helper instead of open coding.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/i2c/busses/i2c-mpc.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index 2376accd4e8e..ec9d7d93e80f 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -19,6 +19,7 @@
 #include <linux/of_address.h>
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
+#include <linux/property.h>
 #include <linux/slab.h>
 
 #include <linux/clk.h>
@@ -643,10 +644,9 @@ static struct i2c_bus_recovery_info fsl_i2c_recovery_info = {
 	.recover_bus = fsl_i2c_bus_recovery,
 };
 
-static const struct of_device_id mpc_i2c_of_match[];
 static int fsl_i2c_probe(struct platform_device *op)
 {
-	const struct of_device_id *match;
+	const struct mpc_i2c_data *data;
 	struct mpc_i2c *i2c;
 	const u32 *prop;
 	u32 clock = MPC_I2C_CLOCK_LEGACY;
@@ -655,10 +655,6 @@ static int fsl_i2c_probe(struct platform_device *op)
 	struct clk *clk;
 	int err;
 
-	match = of_match_device(mpc_i2c_of_match, &op->dev);
-	if (!match)
-		return -EINVAL;
-
 	i2c = devm_kzalloc(&op->dev, sizeof(*i2c), GFP_KERNEL);
 	if (!i2c)
 		return -ENOMEM;
@@ -709,8 +705,8 @@ static int fsl_i2c_probe(struct platform_device *op)
 			clock = *prop;
 	}
 
-	if (match->data) {
-		const struct mpc_i2c_data *data = match->data;
+	data = device_get_match_data(&op->dev);
+	if (data) {
 		data->setup(op->dev.of_node, i2c, clock);
 	} else {
 		/* Backwards compatibility */
-- 
2.30.2