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author | Julia Lawall <Julia.Lawall@lip6.fr> | 2013-08-15 11:08:17 +0400 |
---|---|---|
committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-08-15 11:30:17 +0400 |
commit | ef0aca7f2f94a24d82aea0b74ae7a71c611e4895 (patch) | |
tree | 4079e6de6f11c7774cd652d98508207ff0f59990 /drivers | |
parent | eacd0c47966b918f10c7ac1a91dd9fccb0f58ddd (diff) | |
download | linux-ef0aca7f2f94a24d82aea0b74ae7a71c611e4895.tar.xz |
Input: keyboard, serio - simplify use of devm_ioremap_resource
Remove unneeded error handling on the result of a call to
platform_get_resource when the value is passed to devm_ioremap_resource.
Move the call to platform_get_resource adjacent to the call to
devm_ioremap_resource to make the connection between them more clear.
A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression pdev,res,n,e,e1;
expression ret != 0;
identifier l;
@@
- res = platform_get_resource(pdev, IORESOURCE_MEM, n);
... when != res
- if (res == NULL) { ... \(goto l;\|return ret;\) }
... when != res
+ res = platform_get_resource(pdev, IORESOURCE_MEM, n);
e = devm_ioremap_resource(e1, res);
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/input/keyboard/imx_keypad.c | 7 | ||||
-rw-r--r-- | drivers/input/keyboard/nspire-keypad.c | 7 | ||||
-rw-r--r-- | drivers/input/keyboard/spear-keyboard.c | 7 | ||||
-rw-r--r-- | drivers/input/serio/arc_ps2.c | 7 | ||||
-rw-r--r-- | drivers/input/serio/olpc_apsp.c | 3 |
5 files changed, 4 insertions, 27 deletions
diff --git a/drivers/input/keyboard/imx_keypad.c b/drivers/input/keyboard/imx_keypad.c index 03c8cc5cb6c1..328cfc1eed95 100644 --- a/drivers/input/keyboard/imx_keypad.c +++ b/drivers/input/keyboard/imx_keypad.c @@ -442,12 +442,6 @@ static int imx_keypad_probe(struct platform_device *pdev) return -EINVAL; } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) { - dev_err(&pdev->dev, "no I/O memory defined in platform data\n"); - return -EINVAL; - } - input_dev = devm_input_allocate_device(&pdev->dev); if (!input_dev) { dev_err(&pdev->dev, "failed to allocate the input device\n"); @@ -468,6 +462,7 @@ static int imx_keypad_probe(struct platform_device *pdev) setup_timer(&keypad->check_matrix_timer, imx_keypad_check_for_events, (unsigned long) keypad); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); keypad->mmio_base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(keypad->mmio_base)) return PTR_ERR(keypad->mmio_base); diff --git a/drivers/input/keyboard/nspire-keypad.c b/drivers/input/keyboard/nspire-keypad.c index 20d872d6f603..b3e3edab6d9f 100644 --- a/drivers/input/keyboard/nspire-keypad.c +++ b/drivers/input/keyboard/nspire-keypad.c @@ -171,12 +171,6 @@ static int nspire_keypad_probe(struct platform_device *pdev) return -EINVAL; } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "missing platform resources\n"); - return -EINVAL; - } - keypad = devm_kzalloc(&pdev->dev, sizeof(struct nspire_keypad), GFP_KERNEL); if (!keypad) { @@ -208,6 +202,7 @@ static int nspire_keypad_probe(struct platform_device *pdev) return PTR_ERR(keypad->clk); } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); keypad->reg_base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(keypad->reg_base)) return PTR_ERR(keypad->reg_base); diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c index 7111124b5362..85ff530d9a91 100644 --- a/drivers/input/keyboard/spear-keyboard.c +++ b/drivers/input/keyboard/spear-keyboard.c @@ -191,12 +191,6 @@ static int spear_kbd_probe(struct platform_device *pdev) int irq; int error; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "no keyboard resource defined\n"); - return -EBUSY; - } - irq = platform_get_irq(pdev, 0); if (irq < 0) { dev_err(&pdev->dev, "not able to get irq for the device\n"); @@ -228,6 +222,7 @@ static int spear_kbd_probe(struct platform_device *pdev) kbd->suspended_rate = pdata->suspended_rate; } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); kbd->io_base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(kbd->io_base)) return PTR_ERR(kbd->io_base); diff --git a/drivers/input/serio/arc_ps2.c b/drivers/input/serio/arc_ps2.c index 3fb7727c8ea5..8024a6d7fccb 100644 --- a/drivers/input/serio/arc_ps2.c +++ b/drivers/input/serio/arc_ps2.c @@ -189,12 +189,6 @@ static int arc_ps2_probe(struct platform_device *pdev) int irq; int error, id, i; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "no IO memory defined\n"); - return -EINVAL; - } - irq = platform_get_irq_byname(pdev, "arc_ps2_irq"); if (irq < 0) { dev_err(&pdev->dev, "no IRQ defined\n"); @@ -208,6 +202,7 @@ static int arc_ps2_probe(struct platform_device *pdev) return -ENOMEM; } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); arc_ps2->addr = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(arc_ps2->addr)) return PTR_ERR(arc_ps2->addr); diff --git a/drivers/input/serio/olpc_apsp.c b/drivers/input/serio/olpc_apsp.c index 818aa466b5d2..51b1d40cc286 100644 --- a/drivers/input/serio/olpc_apsp.c +++ b/drivers/input/serio/olpc_apsp.c @@ -183,9 +183,6 @@ static int olpc_apsp_probe(struct platform_device *pdev) np = pdev->dev.of_node; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -ENOENT; - priv->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(priv->base)) { dev_err(&pdev->dev, "Failed to map WTM registers\n"); |