summaryrefslogtreecommitdiffstats
path: root/drivers/uio
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-07-31 14:43:41 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-08-02 12:56:51 +0200
commit0682e005d1705a740a36860cc75199a411f46025 (patch)
tree7736fea8f9c5fdb2ce3bdf18c41934fa818f3f23 /drivers/uio
parent97e2551de3f91add297c1dc4c9dc95297eaadf12 (diff)
downloadlinux-0682e005d1705a740a36860cc75199a411f46025.tar.bz2
uio: uio_fsl_elbc_gpcm: convert platform driver to use dev_groups
Platform drivers now have the option to have the platform core create and remove any needed sysfs attribute files. So take advantage of that and do not register "by hand" a sysfs group of attributes. Link: https://lore.kernel.org/r/20190731124349.4474-3-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/uio')
-rw-r--r--drivers/uio/uio_fsl_elbc_gpcm.c23
1 files changed, 8 insertions, 15 deletions
diff --git a/drivers/uio/uio_fsl_elbc_gpcm.c b/drivers/uio/uio_fsl_elbc_gpcm.c
index 450e2f5c9b43..be8a6905f507 100644
--- a/drivers/uio/uio_fsl_elbc_gpcm.c
+++ b/drivers/uio/uio_fsl_elbc_gpcm.c
@@ -71,6 +71,13 @@ static ssize_t reg_store(struct device *dev, struct device_attribute *attr,
static DEVICE_ATTR(reg_br, 0664, reg_show, reg_store);
static DEVICE_ATTR(reg_or, 0664, reg_show, reg_store);
+static struct attribute *uio_fsl_elbc_gpcm_attrs[] = {
+ &dev_attr_reg_br.attr,
+ &dev_attr_reg_or.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(uio_fsl_elbc_gpcm);
+
static ssize_t reg_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -411,25 +418,12 @@ static int uio_fsl_elbc_gpcm_probe(struct platform_device *pdev)
/* store private data */
platform_set_drvdata(pdev, info);
- /* create sysfs files */
- ret = device_create_file(priv->dev, &dev_attr_reg_br);
- if (ret)
- goto out_err3;
- ret = device_create_file(priv->dev, &dev_attr_reg_or);
- if (ret)
- goto out_err4;
-
dev_info(priv->dev,
"eLBC/GPCM device (%s) at 0x%llx, bank %d, irq=%d\n",
priv->name, (unsigned long long)res.start, priv->bank,
irq != NO_IRQ ? irq : -1);
return 0;
-out_err4:
- device_remove_file(priv->dev, &dev_attr_reg_br);
-out_err3:
- platform_set_drvdata(pdev, NULL);
- uio_unregister_device(info);
out_err2:
if (priv->shutdown)
priv->shutdown(info, true);
@@ -448,8 +442,6 @@ static int uio_fsl_elbc_gpcm_remove(struct platform_device *pdev)
struct uio_info *info = platform_get_drvdata(pdev);
struct fsl_elbc_gpcm *priv = info->priv;
- device_remove_file(priv->dev, &dev_attr_reg_or);
- device_remove_file(priv->dev, &dev_attr_reg_br);
platform_set_drvdata(pdev, NULL);
uio_unregister_device(info);
if (priv->shutdown)
@@ -474,6 +466,7 @@ static struct platform_driver uio_fsl_elbc_gpcm_driver = {
.driver = {
.name = "fsl,elbc-gpcm-uio",
.of_match_table = uio_fsl_elbc_gpcm_match,
+ .dev_groups = uio_fsl_elbc_gpcm_groups,
},
.probe = uio_fsl_elbc_gpcm_probe,
.remove = uio_fsl_elbc_gpcm_remove,