drivers: bus: imx-weim: Remove private driver data

Driver uses only probe function so no reason to keep variables
in private driver data.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

1 files changed, 14 insertions, 27 deletions

diff --git a/drivers/bus/imx-weim.c b/drivers/bus/imx-weim.c
index 349f14e886b7..0c0e6fea129f 100644
--- a/drivers/bus/imx-weim.c
+++ b/drivers/bus/imx-weim.c
@@ -12,11 +12,6 @@
 #include <linux/io.h>
 #include <linux/of_device.h>
 
-struct imx_weim {
-        void __iomem *base;
-        struct clk *clk;
-};
-
 static const struct of_device_id weim_id_table[] = {
         { .compatible = "fsl,imx6q-weim", },
         {}
@@ -27,10 +22,8 @@ MODULE_DEVICE_TABLE(of, weim_id_table);
 #define CS_REG_RANGE  0x18
 
 /* Parse and set the timing for this device. */
-static int
-weim_timing_setup(struct platform_device *pdev, struct device_node *np)
+static int weim_timing_setup(struct device_node *np, void __iomem *base)
 {
-        struct imx_weim *weim = platform_get_drvdata(pdev);
         u32 value[CS_TIMING_LEN];
         u32 cs_idx;
         int ret;
@@ -52,11 +45,11 @@ weim_timing_setup(struct platform_device *pdev, struct device_node *np)
 
         /* set the timing for WEIM */
         for (i = 0; i < CS_TIMING_LEN; i++)
-                writel(value[i], weim->base + cs_idx * CS_REG_RANGE + i * 4);
+                writel(value[i], base + cs_idx * CS_REG_RANGE + i * 4);
         return 0;
 }
 
-static int weim_parse_dt(struct platform_device *pdev)
+static int weim_parse_dt(struct platform_device *pdev, void __iomem *base)
 {
         struct device_node *child;
         int ret;
@@ -65,7 +58,7 @@ static int weim_parse_dt(struct platform_device *pdev)
                 if (!child->name)
                         continue;
 
-                ret = weim_timing_setup(pdev, child);
+                ret = weim_timing_setup(child, base);
                 if (ret) {
                         dev_err(&pdev->dev, "%s set timing failed.\n",
                                 child->full_name);
@@ -82,38 +75,32 @@ static int weim_parse_dt(struct platform_device *pdev)
 
 static int weim_probe(struct platform_device *pdev)
 {
-        struct imx_weim *weim;
         struct resource *res;
+        struct clk *clk;
+        void __iomem *base;
         int ret = -EINVAL;
 
-        weim = devm_kzalloc(&pdev->dev, sizeof(*weim), GFP_KERNEL);
-        if (!weim) {
-                ret = -ENOMEM;
-                goto weim_err;
-        }
-        platform_set_drvdata(pdev, weim);
-
         /* get the resource */
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        weim->base = devm_ioremap_resource(&pdev->dev, res);
-        if (IS_ERR(weim->base)) {
-                ret = PTR_ERR(weim->base);
+        base = devm_ioremap_resource(&pdev->dev, res);
+        if (IS_ERR(base)) {
+                ret = PTR_ERR(base);
                 goto weim_err;
         }
 
         /* get the clock */
-        weim->clk = devm_clk_get(&pdev->dev, NULL);
-        if (IS_ERR(weim->clk))
+        clk = devm_clk_get(&pdev->dev, NULL);
+        if (IS_ERR(clk))
                 goto weim_err;
 
-        ret = clk_prepare_enable(weim->clk);
+        ret = clk_prepare_enable(clk);
         if (ret)
                 goto weim_err;
 
         /* parse the device node */
-        ret = weim_parse_dt(pdev);
+        ret = weim_parse_dt(pdev, base);
         if (ret) {
-                clk_disable_unprepare(weim->clk);
+                clk_disable_unprepare(clk);
                 goto weim_err;
         }