mmc: mediatek: use of_device_get_match_data()

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>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index cb274e82229336b589ff3dbc615aba7aef40a1d7..d642e11b75d4ee4b258fdbef0c65f7d11a00e31b 100644 (file)
--- 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>
@@ -1820,7 +1821,6 @@ 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) {
@@ -1828,9 +1828,6 @@ 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)
@@ -1899,7 +1896,7 @@ 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 */