[PATCH] i2c: mediatek: use of_device_get_match_data()

From: Ryder Lee
Date: Sun Apr 15 2018 - 22:33:04 EST


The usage of of_device_get_match_data() reduce the code size a bit.

Also, the only way to call mtk_i2c_probe() is to match an entry in
mtk_i2c_of_match[], so of_id cannot be NULL.

Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
---
drivers/i2c/busses/i2c-mt65xx.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index cf23a74..1e57f58 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -27,6 +27,7 @@
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/of_address.h>
+#include <linux/of_device.h>
#include <linux/of_irq.h>
#include <linux/platform_device.h>
#include <linux/scatterlist.h>
@@ -734,7 +735,6 @@ static int mtk_i2c_parse_dt(struct device_node *np, struct mtk_i2c *i2c)

static int mtk_i2c_probe(struct platform_device *pdev)
{
- const struct of_device_id *of_id;
int ret = 0;
struct mtk_i2c *i2c;
struct clk *clk;
@@ -761,11 +761,7 @@ static int mtk_i2c_probe(struct platform_device *pdev)

init_completion(&i2c->msg_complete);

- of_id = of_match_node(mtk_i2c_of_match, pdev->dev.of_node);
- if (!of_id)
- return -EINVAL;
-
- i2c->dev_comp = of_id->data;
+ i2c->dev_comp = of_device_get_match_data(&pdev->dev);
i2c->adap.dev.of_node = pdev->dev.of_node;
i2c->dev = &pdev->dev;
i2c->adap.dev.parent = &pdev->dev;
--
1.9.1