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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2024-07-11 08:03:29 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2024-07-13 03:15:29 +0300 |
| commit | 2d7877d797aaa16b18ac156ed87fa0f23b9907c8 (patch) | |
| tree | c01dfec7e377d624e4f98011ea89cf6aa447dded | |
| parent | a122a6fd72d64de1e2f7521046823e25cb269f06 (diff) | |
| download | linux-2d7877d797aaa16b18ac156ed87fa0f23b9907c8.tar.xz | |
Input: omap-keypad - use driver core to instantiate device attributes
Instead of manually creating driver-specific device attributes
set struct driver->dev_groups pointer to have the driver core
do it.
This also fixes issue with the attribute not being deleted on driver
unbind.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/Zo9nofWJ1xg9MgKs@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| -rw-r--r-- | drivers/input/keyboard/omap-keypad.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c index 16f936db7305..57587541110b 100644 --- a/drivers/input/keyboard/omap-keypad.c +++ b/drivers/input/keyboard/omap-keypad.c @@ -171,6 +171,12 @@ static ssize_t omap_kp_enable_store(struct device *dev, struct device_attribute static DEVICE_ATTR(enable, S_IRUGO | S_IWUSR, omap_kp_enable_show, omap_kp_enable_store); +static struct attribute *omap_kp_attrs[] = { + &dev_attr_enable.attr, + NULL +}; +ATTRIBUTE_GROUPS(omap_kp); + static int omap_kp_probe(struct platform_device *pdev) { struct omap_kp *omap_kp; @@ -214,10 +220,6 @@ static int omap_kp_probe(struct platform_device *pdev) kp_tasklet.data = (unsigned long) omap_kp; tasklet_enable(&kp_tasklet); - ret = device_create_file(&pdev->dev, &dev_attr_enable); - if (ret < 0) - goto err2; - /* setup input device */ input_dev->name = "omap-keypad"; input_dev->phys = "omap-keypad/input0"; @@ -235,12 +237,12 @@ static int omap_kp_probe(struct platform_device *pdev) pdata->rows, pdata->cols, omap_kp->keymap, input_dev); if (ret < 0) - goto err3; + goto err2; ret = input_register_device(omap_kp->input); if (ret < 0) { printk(KERN_ERR "Unable to register omap-keypad input device\n"); - goto err3; + goto err2; } if (pdata->dbounce) @@ -252,17 +254,15 @@ static int omap_kp_probe(struct platform_device *pdev) if (omap_kp->irq >= 0) { if (request_irq(omap_kp->irq, omap_kp_interrupt, 0, "omap-keypad", omap_kp) < 0) - goto err4; + goto err3; } omap_writew(0, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); return 0; -err4: +err3: input_unregister_device(omap_kp->input); input_dev = NULL; -err3: - device_remove_file(&pdev->dev, &dev_attr_enable); err2: kfree(omap_kp); input_free_device(input_dev); @@ -293,6 +293,7 @@ static struct platform_driver omap_kp_driver = { .remove_new = omap_kp_remove, .driver = { .name = "omap-keypad", + .dev_groups = omap_kp_groups, }, }; module_platform_driver(omap_kp_driver); |