pinctrl: abx500: suppress unused mutex

Suppress a mutex which was initialized on probe
and destroyed on remove but never used.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-abx500.c b/drivers/pinctrl/pinctrl-abx500.c
index 6d4532702f809b5cc52629fbdc7ad238412153f3..fa7a8ede19abafea38aa08cbd6066e1fb677eca2 100644 (file)
--- a/drivers/pinctrl/pinctrl-abx500.c
+++ b/drivers/pinctrl/pinctrl-abx500.c
@@ -99,7 +99,6 @@ struct abx500_pinctrl {
        struct abx500_pinctrl_soc_data *soc;
        struct gpio_chip chip;
        struct ab8500 *parent;
-       struct mutex lock;
        struct abx500_gpio_irq_cluster *irq_cluster;
        int irq_cluster_size;
 };
@@ -881,9 +880,6 @@ static int abx500_gpio_probe(struct platform_device *pdev)
                        id = (unsigned long)match->data;
        }
 
-       /* initialize the lock */
-       mutex_init(&pct->lock);
-
        /* Poke in other ASIC variants here */
        switch (id) {
        case PINCTRL_AB8500:
@@ -900,13 +896,11 @@ static int abx500_gpio_probe(struct platform_device *pdev)
                break;
        default:
                dev_err(&pdev->dev, "Unsupported pinctrl sub driver (%d)\n", id);
-               mutex_destroy(&pct->lock);
                return -EINVAL;
        }
 
        if (!pct->soc) {
                dev_err(&pdev->dev, "Invalid SOC data\n");
-               mutex_destroy(&pct->lock);
                return -EINVAL;
        }
 
@@ -917,7 +911,6 @@ static int abx500_gpio_probe(struct platform_device *pdev)
        ret = gpiochip_add(&pct->chip);
        if (ret) {
                dev_err(&pdev->dev, "unable to add gpiochip: %d\n", ret);
-               mutex_destroy(&pct->lock);
                return ret;
        }
        dev_info(&pdev->dev, "added gpiochip\n");
@@ -954,7 +947,6 @@ out_rem_chip:
        if (err)
                dev_info(&pdev->dev, "failed to remove gpiochip\n");
 
-       mutex_destroy(&pct->lock);
        return ret;
 }
 
@@ -974,8 +966,6 @@ static int abx500_gpio_remove(struct platform_device *pdev)
                return ret;
        }
 
-       mutex_destroy(&pct->lock);
-
        return 0;
 }