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Subject[PATCH] mmc: mediatek: use of_device_get_match_data()
Date
The usage of of_device_get_match_data() reduce the code size a bit.

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

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
---
drivers/mmc/host/mtk-sd.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 6457a7d..67e9b57 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -19,6 +19,7 @@
#include <linux/ioport.h>
#include <linux/irq.h>
#include <linux/of_address.h>
+#include <linux/of_device.h>
#include <linux/of_irq.h>
#include <linux/of_gpio.h>
#include <linux/pinctrl/consumer.h>
@@ -1808,7 +1809,6 @@ static int msdc_drv_probe(struct platform_device *pdev)
struct mmc_host *mmc;
struct msdc_host *host;
struct resource *res;
- const struct of_device_id *of_id;
int ret;

if (!pdev->dev.of_node) {
@@ -1816,9 +1816,6 @@ static int msdc_drv_probe(struct platform_device *pdev)
return -EINVAL;
}

- of_id = of_match_node(msdc_of_ids, pdev->dev.of_node);
- if (!of_id)
- return -EINVAL;
/* Allocate MMC host for this device */
mmc = mmc_alloc_host(sizeof(struct msdc_host), &pdev->dev);
if (!mmc)
@@ -1887,7 +1884,7 @@ static int msdc_drv_probe(struct platform_device *pdev)
msdc_of_property_parse(pdev, host);

host->dev = &pdev->dev;
- host->dev_comp = of_id->data;
+ host->dev_comp = of_device_get_match_data(&pdev->dev);
host->mmc = mmc;
host->src_clk_freq = clk_get_rate(host->src_clk);
/* Set host parameters to mmc */
--
1.9.1
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