gpio: omap: drop dev field from gpio_bank structure

GPIO chip structure already has "parent" field which is used for the
same purpose as "dev" field in gpio_bank structure - store pointer on
GPIO device.

Hence, drop duplicated "dev" field from gpio_bank structure.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 29 insertions, 28 deletions

diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 189f672bebc1..551dfa9d97ab 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -66,7 +66,6 @@ struct gpio_bank {
         u32 irq_usage;
         u32 dbck_enable_mask;
         bool dbck_enabled;
-        struct device *dev;
         bool is_mpuio;
         bool dbck_flag;
         bool loses_context;
@@ -627,7 +626,7 @@ static int omap_set_gpio_wakeup(struct gpio_bank *bank, unsigned offset,
         unsigned long flags;
 
         if (bank->non_wakeup_gpios & gpio_bit) {
-                dev_err(bank->dev,
+                dev_err(bank->chip.parent,
                         "Unable to modify wakeup on non-wakeup GPIO%d\n",
                         offset);
                 return -EINVAL;
@@ -669,7 +668,7 @@ static int omap_gpio_request(struct gpio_chip *chip, unsigned offset)
          * enable the bank module.
          */
         if (!BANK_USED(bank))
-                pm_runtime_get_sync(bank->dev);
+                pm_runtime_get_sync(chip->parent);
 
         raw_spin_lock_irqsave(&bank->lock, flags);
         omap_enable_gpio_module(bank, offset);
@@ -698,7 +697,7 @@ static void omap_gpio_free(struct gpio_chip *chip, unsigned offset)
          * disable the bank module.
          */
         if (!BANK_USED(bank))
-                pm_runtime_put(bank->dev);
+                pm_runtime_put(chip->parent);
 }
 
 /*
@@ -723,7 +722,7 @@ static irqreturn_t omap_gpio_irq_handler(int irq, void *gpiobank)
         if (WARN_ON(!isr_reg))
                 goto exit;
 
-        pm_runtime_get_sync(bank->dev);
+        pm_runtime_get_sync(bank->chip.parent);
 
         while (1) {
                 u32 isr_saved, level_mask = 0;
@@ -776,7 +775,7 @@ static irqreturn_t omap_gpio_irq_handler(int irq, void *gpiobank)
                 }
         }
 exit:
-        pm_runtime_put(bank->dev);
+        pm_runtime_put(bank->chip.parent);
         return IRQ_HANDLED;
 }
 
@@ -826,7 +825,7 @@ static void omap_gpio_irq_bus_lock(struct irq_data *data)
         struct gpio_bank *bank = omap_irq_data_get_bank(data);
 
         if (!BANK_USED(bank))
-                pm_runtime_get_sync(bank->dev);
+                pm_runtime_get_sync(bank->chip.parent);
 }
 
 static void gpio_irq_bus_sync_unlock(struct irq_data *data)
@@ -838,7 +837,7 @@ static void gpio_irq_bus_sync_unlock(struct irq_data *data)
          * disable the bank module.
          */
         if (!BANK_USED(bank))
-                pm_runtime_put(bank->dev);
+                pm_runtime_put(bank->chip.parent);
 }
 
 static void omap_gpio_ack_irq(struct irq_data *d)
@@ -1100,7 +1099,8 @@ static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc)
 
         ret = gpiochip_add_data(&bank->chip, bank);
         if (ret) {
-                dev_err(bank->dev, "Could not register gpio chip %d\n", ret);
+                dev_err(bank->chip.parent,
+                        "Could not register gpio chip %d\n", ret);
                 return ret;
         }
 
@@ -1114,7 +1114,7 @@ static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc)
          */
         irq_base = irq_alloc_descs(-1, 0, bank->width, 0);
         if (irq_base < 0) {
-                dev_err(bank->dev, "Couldn't allocate IRQ numbers\n");
+                dev_err(bank->chip.parent, "Couldn't allocate IRQ numbers\n");
                 return -ENODEV;
         }
 #endif
@@ -1131,15 +1131,17 @@ static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc)
                                    IRQ_TYPE_NONE);
 
         if (ret) {
-                dev_err(bank->dev, "Couldn't add irqchip to gpiochip %d\n", ret);
+                dev_err(bank->chip.parent,
+                        "Couldn't add irqchip to gpiochip %d\n", ret);
                 gpiochip_remove(&bank->chip);
                 return -ENODEV;
         }
 
         gpiochip_set_chained_irqchip(&bank->chip, irqc, bank->irq, NULL);
 
-        ret = devm_request_irq(bank->dev, bank->irq, omap_gpio_irq_handler,
-                               0, dev_name(bank->dev), bank);
+        ret = devm_request_irq(bank->chip.parent, bank->irq,
+                               omap_gpio_irq_handler,
+                               0, dev_name(bank->chip.parent), bank);
         if (ret)
                 gpiochip_remove(&bank->chip);
 
@@ -1196,7 +1198,6 @@ static int omap_gpio_probe(struct platform_device *pdev)
                 return bank->irq;
         }
 
-        bank->dev = dev;
         bank->chip.parent = dev;
         bank->chip.owner = THIS_MODULE;
         bank->dbck_flag = pdata->dbck_flag;
@@ -1235,9 +1236,9 @@ static int omap_gpio_probe(struct platform_device *pdev)
         }
 
         if (bank->dbck_flag) {
-                bank->dbck = devm_clk_get(bank->dev, "dbclk");
+                bank->dbck = devm_clk_get(dev, "dbclk");
                 if (IS_ERR(bank->dbck)) {
-                        dev_err(bank->dev,
+                        dev_err(dev,
                                 "Could not get gpio dbck. Disable debounce\n");
                         bank->dbck_flag = false;
                 } else {
@@ -1247,9 +1248,9 @@ static int omap_gpio_probe(struct platform_device *pdev)
 
         platform_set_drvdata(pdev, bank);
 
-        pm_runtime_enable(bank->dev);
-        pm_runtime_irq_safe(bank->dev);
-        pm_runtime_get_sync(bank->dev);
+        pm_runtime_enable(dev);
+        pm_runtime_irq_safe(dev);
+        pm_runtime_get_sync(dev);
 
         if (bank->is_mpuio)
                 omap_mpuio_init(bank);
@@ -1258,14 +1259,14 @@ static int omap_gpio_probe(struct platform_device *pdev)
 
         ret = omap_gpio_chip_init(bank, irqc);
         if (ret) {
-                pm_runtime_put_sync(bank->dev);
-                pm_runtime_disable(bank->dev);
+                pm_runtime_put_sync(dev);
+                pm_runtime_disable(dev);
                 return ret;
         }
 
         omap_gpio_show_rev(bank);
 
-        pm_runtime_put(bank->dev);
+        pm_runtime_put(dev);
 
         list_add_tail(&bank->node, &omap_gpio_list);
 
@@ -1278,7 +1279,7 @@ static int omap_gpio_remove(struct platform_device *pdev)
 
         list_del(&bank->node);
         gpiochip_remove(&bank->chip);
-        pm_runtime_disable(bank->dev);
+        pm_runtime_disable(&pdev->dev);
         if (bank->dbck_flag)
                 clk_unprepare(bank->dbck);
 
@@ -1348,7 +1349,7 @@ static int omap_gpio_runtime_suspend(struct device *dev)
 update_gpio_context_count:
         if (bank->get_context_loss_count)
                 bank->context_loss_count =
-                                bank->get_context_loss_count(bank->dev);
+                                bank->get_context_loss_count(dev);
 
         omap_gpio_dbck_disable(bank);
         raw_spin_unlock_irqrestore(&bank->lock, flags);
@@ -1378,7 +1379,7 @@ static int omap_gpio_runtime_resume(struct device *dev)
 
                 if (bank->get_context_loss_count)
                         bank->context_loss_count =
-                                bank->get_context_loss_count(bank->dev);
+                                bank->get_context_loss_count(dev);
         }
 
         omap_gpio_dbck_enable(bank);
@@ -1398,7 +1399,7 @@ static int omap_gpio_runtime_resume(struct device *dev)
                 if (!bank->get_context_loss_count) {
                         omap_gpio_restore_context(bank);
                 } else {
-                        c = bank->get_context_loss_count(bank->dev);
+                        c = bank->get_context_loss_count(dev);
                         if (c != bank->context_loss_count) {
                                 omap_gpio_restore_context(bank);
                         } else {
@@ -1481,7 +1482,7 @@ void omap2_gpio_prepare_for_idle(int pwr_mode)
 
                 bank->power_mode = pwr_mode;
 
-                pm_runtime_put_sync_suspend(bank->dev);
+                pm_runtime_put_sync_suspend(bank->chip.parent);
         }
 }
 
@@ -1493,7 +1494,7 @@ void omap2_gpio_resume_after_idle(void)
                 if (!BANK_USED(bank) || !bank->loses_context)
                         continue;
 
-                pm_runtime_get_sync(bank->dev);
+                pm_runtime_get_sync(bank->chip.parent);
         }
 }
 #endif