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authorWu Hao <hao.wu@intel.com>2019-08-12 10:49:57 +0800
committerMoritz Fischer <mdf@kernel.org>2019-09-03 19:35:40 -0700
commit084c3ff1b1d29300e5117f145ec6104ed2fd6b46 (patch)
tree247a55433bc2d147293cc7c520a699b9d0c4f74d /drivers/fpga
parent84b693e3786b92d2e7bb9108ca187253ffd02115 (diff)
fpga: dfl: fme: convert platform_driver to use dev_groups
This patch takes advantage of driver core which helps to create and remove sysfs attribute files, so there is no need to register sysfs entries manually in dfl-fme platform river code. Signed-off-by: Wu Hao <hao.wu@intel.com> Acked-by: Moritz Fischer <mdf@kernel.org> Signed-off-by: Moritz Fischer <mdf@kernel.org>
Diffstat (limited to 'drivers/fpga')
-rw-r--r--drivers/fpga/dfl-fme-main.c29
1 files changed, 2 insertions, 27 deletions
diff --git a/drivers/fpga/dfl-fme-main.c b/drivers/fpga/dfl-fme-main.c
index f033f1cfd3ed..bf8114d4d875 100644
--- a/drivers/fpga/dfl-fme-main.c
+++ b/drivers/fpga/dfl-fme-main.c
@@ -129,30 +129,6 @@ static struct attribute *fme_hdr_attrs[] = {
};
ATTRIBUTE_GROUPS(fme_hdr);
-static int fme_hdr_init(struct platform_device *pdev,
- struct dfl_feature *feature)
-{
- void __iomem *base = feature->ioaddr;
- int ret;
-
- dev_dbg(&pdev->dev, "FME HDR Init.\n");
- dev_dbg(&pdev->dev, "FME cap %llx.\n",
- (unsigned long long)readq(base + FME_HDR_CAP));
-
- ret = device_add_groups(&pdev->dev, fme_hdr_groups);
- if (ret)
- return ret;
-
- return 0;
-}
-
-static void fme_hdr_uinit(struct platform_device *pdev,
- struct dfl_feature *feature)
-{
- dev_dbg(&pdev->dev, "FME HDR UInit.\n");
- device_remove_groups(&pdev->dev, fme_hdr_groups);
-}
-
static long fme_hdr_ioctl_release_port(struct dfl_feature_platform_data *pdata,
unsigned long arg)
{
@@ -199,8 +175,6 @@ static const struct dfl_feature_id fme_hdr_id_table[] = {
};
static const struct dfl_feature_ops fme_hdr_ops = {
- .init = fme_hdr_init,
- .uinit = fme_hdr_uinit,
.ioctl = fme_hdr_ioctl,
};
@@ -361,7 +335,8 @@ static int fme_remove(struct platform_device *pdev)
static struct platform_driver fme_driver = {
.driver = {
- .name = DFL_FPGA_FEATURE_DEV_FME,
+ .name = DFL_FPGA_FEATURE_DEV_FME,
+ .dev_groups = fme_hdr_groups,
},
.probe = fme_probe,
.remove = fme_remove,