lkml.org 
[lkml]   [2019]   [Jul]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 02/11] uio: uio_fsl_elbc_gpcm: convert platform driver to use dev_groups
Date
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.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/uio/uio_fsl_elbc_gpcm.c | 23 ++++++++---------------
1 file 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..05a9cb10a419 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)
@@ -477,6 +469,7 @@ static struct platform_driver uio_fsl_elbc_gpcm_driver = {
},
.probe = uio_fsl_elbc_gpcm_probe,
.remove = uio_fsl_elbc_gpcm_remove,
+ .dev_groups = uio_fsl_elbc_gpcm_groups,
};
module_platform_driver(uio_fsl_elbc_gpcm_driver);

--
2.22.0
\
 
 \ /
  Last update: 2019-07-04 10:47    [W:0.123 / U:1.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site