diff options
| author |   Wu Hao <hao.wu@intel.com> | 2019-08-12 10:49:57 +0800 |
|---|---|---|
| committer |   Moritz Fischer <mdf@kernel.org> | 2019-09-03 19:35:40 -0700 |
| commit | 084c3ff1b1d29300e5117f145ec6104ed2fd6b46 (patch) | |
| tree | 247a55433bc2d147293cc7c520a699b9d0c4f74d /drivers/fpga | |
| parent | fpga: dfl: make init callback optional (diff) | |
| download | wireguard-linux-084c3ff1b1d29300e5117f145ec6104ed2fd6b46.tar.xz wireguard-linux-084c3ff1b1d29300e5117f145ec6104ed2fd6b46.zip | |
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.c | 29 |
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, |