ab8500: Clean up probe routines

These patches clean up some ugliness and brings the variable
initialisation formatting more into line with other drivers.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>

3 files changed, 30 insertions, 18 deletions

diff --git a/drivers/power/ab8500_btemp.c b/drivers/power/ab8500_btemp.c
index e266f038a110..bba3ccac72fe 100644
--- a/drivers/power/ab8500_btemp.c
+++ b/drivers/power/ab8500_btemp.c
@@ -964,10 +964,15 @@ static int __devinit ab8500_btemp_probe(struct platform_device *pdev)
 {
         int irq, i, ret = 0;
         u8 val;
-        struct abx500_bm_plat_data *plat_data;
+        struct abx500_bm_plat_data *plat_data = pdev->dev.platform_data;
+        struct ab8500_btemp *di;
+
+        if (!plat_data) {
+                dev_err(&pdev->dev, "No platform data\n");
+                return -EINVAL;
+        }
 
-        struct ab8500_btemp *di =
-                kzalloc(sizeof(struct ab8500_btemp), GFP_KERNEL);
+        di = kzalloc(sizeof(*di), GFP_KERNEL);
         if (!di)
                 return -ENOMEM;
 
@@ -977,13 +982,12 @@ static int __devinit ab8500_btemp_probe(struct platform_device *pdev)
         di->gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
 
         /* get btemp specific platform data */
-        plat_data = pdev->dev.platform_data;
-        if (!plat_data || !plat_data->btemp) {
+        di->pdata = plat_data->btemp;
+        if (!di->pdata) {
                 dev_err(di->dev, "no btemp platform data supplied\n");
                 ret = -EINVAL;
                 goto free_device_info;
         }
-        di->pdata = plat_data->btemp;
 
         /* get battery specific platform data */
         di->bat = plat_data->battery;
diff --git a/drivers/power/ab8500_charger.c b/drivers/power/ab8500_charger.c
index 79dc584a53ed..d2303d0b7c75 100644
--- a/drivers/power/ab8500_charger.c
+++ b/drivers/power/ab8500_charger.c
@@ -2534,10 +2534,15 @@ static int __devexit ab8500_charger_remove(struct platform_device *pdev)
 static int __devinit ab8500_charger_probe(struct platform_device *pdev)
 {
         int irq, i, charger_status, ret = 0;
-        struct abx500_bm_plat_data *plat_data;
+        struct abx500_bm_plat_data *plat_data = pdev->dev.platform_data;
+        struct ab8500_charger *di;
 
-        struct ab8500_charger *di =
-                kzalloc(sizeof(struct ab8500_charger), GFP_KERNEL);
+        if (!plat_data) {
+                dev_err(&pdev->dev, "No platform data\n");
+                return -EINVAL;
+        }
+
+        di = kzalloc(sizeof(*di), GFP_KERNEL);
         if (!di)
                 return -ENOMEM;
 
@@ -2550,13 +2555,12 @@ static int __devinit ab8500_charger_probe(struct platform_device *pdev)
         spin_lock_init(&di->usb_state.usb_lock);
 
         /* get charger specific platform data */
-        plat_data = pdev->dev.platform_data;
-        if (!plat_data || !plat_data->charger) {
+        di->pdata = plat_data->charger;
+        if (!di->pdata) {
                 dev_err(di->dev, "no charger platform data supplied\n");
                 ret = -EINVAL;
                 goto free_device_info;
         }
-        di->pdata = plat_data->charger;
 
         /* get battery specific platform data */
         di->bat = plat_data->battery;
diff --git a/drivers/power/ab8500_fg.c b/drivers/power/ab8500_fg.c
index 0ebea39e73fe..bf022255994c 100644
--- a/drivers/power/ab8500_fg.c
+++ b/drivers/power/ab8500_fg.c
@@ -2446,10 +2446,15 @@ static int __devinit ab8500_fg_probe(struct platform_device *pdev)
 {
         int i, irq;
         int ret = 0;
-        struct abx500_bm_plat_data *plat_data;
+        struct abx500_bm_plat_data *plat_data = pdev->dev.platform_data;
+        struct ab8500_fg *di;
+
+        if (!plat_data) {
+                dev_err(&pdev->dev, "No platform data\n");
+                return -EINVAL;
+        }
 
-        struct ab8500_fg *di =
-                kzalloc(sizeof(struct ab8500_fg), GFP_KERNEL);
+        di = kzalloc(sizeof(*di), GFP_KERNEL);
         if (!di)
                 return -ENOMEM;
 
@@ -2461,13 +2466,12 @@ static int __devinit ab8500_fg_probe(struct platform_device *pdev)
         di->gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
 
         /* get fg specific platform data */
-        plat_data = pdev->dev.platform_data;
-        if (!plat_data || !plat_data->fg) {
+        di->pdata = plat_data->fg;
+        if (!di->pdata) {
                 dev_err(di->dev, "no fg platform data supplied\n");
                 ret = -EINVAL;
                 goto free_device_info;
         }
-        di->pdata = plat_data->fg;
 
         /* get battery specific platform data */
         di->bat = plat_data->battery;