Get rid of using return value from gpiochip_remove() as it returns
void.

Cc: Linus Walleij <[email protected]>
Cc: Alexandre Courbot <[email protected]>
Cc: Samuel Ortiz <[email protected]>
CC: Lee Jones <[email protected]>
Cc: [email protected]

Signed-off-by: Pramod Gurav <[email protected]>
---
 drivers/mfd/asic3.c        |    3 ++-
 drivers/mfd/htc-i2cpld.c   |    6 +-----
 drivers/mfd/sm501.c        |   17 +++--------------
 drivers/mfd/tc6393xb.c     |   13 ++++---------
 drivers/mfd/ucb1x00-core.c |    8 ++------
 5 files changed, 12 insertions(+), 35 deletions(-)

diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index 9fc4186..977bd3a 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -605,7 +605,8 @@ static int asic3_gpio_remove(struct platform_device *pdev)
 {
        struct asic3 *asic = platform_get_drvdata(pdev);
 
-       return gpiochip_remove(&asic->gpio);
+       gpiochip_remove(&asic->gpio);
+       return 0;
 }
 
 static void asic3_clk_enable(struct asic3 *asic, struct asic3_clk *clk)
diff --git a/drivers/mfd/htc-i2cpld.c b/drivers/mfd/htc-i2cpld.c
index 6bdb78c..e14fe3e 100644
--- a/drivers/mfd/htc-i2cpld.c
+++ b/drivers/mfd/htc-i2cpld.c
@@ -481,14 +481,10 @@ static int htcpld_register_chip_gpio(
 
        ret = gpiochip_add(&(chip->chip_in));
        if (ret) {
-               int error;
-
                dev_warn(dev, "Unable to register input GPIOs for 0x%x: %d\n",
                         plat_chip_data->addr, ret);
 
-               error = gpiochip_remove(&(chip->chip_out));
-               if (error)
-                       dev_warn(dev, "Error while trying to unregister gpio 
chip: %d\n", error);
+               gpiochip_remove(&(chip->chip_out));
 
                return ret;
        }
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 81e6d09..02027b7 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -1047,7 +1047,6 @@ static int sm501_register_gpio(struct sm501_devdata *sm)
        struct sm501_gpio *gpio = &sm->gpio;
        resource_size_t iobase = sm->io_res->start + SM501_GPIO;
        int ret;
-       int tmp;
 
        dev_dbg(sm->dev, "registering gpio block %08llx\n",
                (unsigned long long)iobase);
@@ -1086,11 +1085,7 @@ static int sm501_register_gpio(struct sm501_devdata *sm)
        return 0;
 
  err_low_chip:
-       tmp = gpiochip_remove(&gpio->low.gpio);
-       if (tmp) {
-               dev_err(sm->dev, "cannot remove low chip, cannot tidy up\n");
-               return ret;
-       }
+       gpiochip_remove(&gpio->low.gpio);
 
  err_mapped:
        iounmap(gpio->regs);
@@ -1105,18 +1100,12 @@ static int sm501_register_gpio(struct sm501_devdata *sm)
 static void sm501_gpio_remove(struct sm501_devdata *sm)
 {
        struct sm501_gpio *gpio = &sm->gpio;
-       int ret;
 
        if (!sm->gpio.registered)
                return;
 
-       ret = gpiochip_remove(&gpio->low.gpio);
-       if (ret)
-               dev_err(sm->dev, "cannot remove low chip, cannot tidy up\n");
-
-       ret = gpiochip_remove(&gpio->high.gpio);
-       if (ret)
-               dev_err(sm->dev, "cannot remove high chip, cannot tidy up\n");
+       gpiochip_remove(&gpio->low.gpio);
+       gpiochip_remove(&gpio->high.gpio);
 
        iounmap(gpio->regs);
        release_resource(gpio->regs_res);
diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index 11c19e5..4fac16b 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -607,7 +607,7 @@ static int tc6393xb_probe(struct platform_device *dev)
        struct tc6393xb_platform_data *tcpd = dev_get_platdata(&dev->dev);
        struct tc6393xb *tc6393xb;
        struct resource *iomem, *rscr;
-       int ret, temp;
+       int ret;
 
        iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
        if (!iomem)
@@ -714,7 +714,7 @@ err_setup:
 
 err_gpio_add:
        if (tc6393xb->gpio.base != -1)
-               temp = gpiochip_remove(&tc6393xb->gpio);
+               gpiochip_remove(&tc6393xb->gpio);
        tcpd->disable(dev);
 err_enable:
        clk_disable(tc6393xb->clk);
@@ -744,13 +744,8 @@ static int tc6393xb_remove(struct platform_device *dev)
 
        tc6393xb_detach_irq(dev);
 
-       if (tc6393xb->gpio.base != -1) {
-               ret = gpiochip_remove(&tc6393xb->gpio);
-               if (ret) {
-                       dev_err(&dev->dev, "Can't remove gpio chip: %d\n", ret);
-                       return ret;
-               }
-       }
+       if (tc6393xb->gpio.base != -1)
+               gpiochip_remove(&tc6393xb->gpio);
 
        ret = tcpd->disable(dev);
        clk_disable(tc6393xb->clk);
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c
index 153d595..58ea9fd 100644
--- a/drivers/mfd/ucb1x00-core.c
+++ b/drivers/mfd/ucb1x00-core.c
@@ -621,7 +621,6 @@ static void ucb1x00_remove(struct mcp *mcp)
        struct ucb1x00_plat_data *pdata = mcp->attached_device.platform_data;
        struct ucb1x00 *ucb = mcp_get_drvdata(mcp);
        struct list_head *l, *n;
-       int ret;
 
        mutex_lock(&ucb1x00_mutex);
        list_del(&ucb->node);
@@ -631,11 +630,8 @@ static void ucb1x00_remove(struct mcp *mcp)
        }
        mutex_unlock(&ucb1x00_mutex);
 
-       if (ucb->gpio.base != -1) {
-               ret = gpiochip_remove(&ucb->gpio);
-               if (ret)
-                       dev_err(&ucb->dev, "Can't remove gpio chip: %d\n", ret);
-       }
+       if (ucb->gpio.base != -1)
+               gpiochip_remove(&ucb->gpio);
 
        irq_set_chained_handler(ucb->irq, NULL);
        irq_free_descs(ucb->irq_base, 16);
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to