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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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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>
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@ -129,30 +129,6 @@ static struct attribute *fme_hdr_attrs[] = {
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};
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ATTRIBUTE_GROUPS(fme_hdr);
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static int fme_hdr_init(struct platform_device *pdev,
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struct dfl_feature *feature)
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{
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void __iomem *base = feature->ioaddr;
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int ret;
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dev_dbg(&pdev->dev, "FME HDR Init.\n");
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dev_dbg(&pdev->dev, "FME cap %llx.\n",
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(unsigned long long)readq(base + FME_HDR_CAP));
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ret = device_add_groups(&pdev->dev, fme_hdr_groups);
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if (ret)
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return ret;
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return 0;
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}
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static void fme_hdr_uinit(struct platform_device *pdev,
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struct dfl_feature *feature)
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{
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dev_dbg(&pdev->dev, "FME HDR UInit.\n");
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device_remove_groups(&pdev->dev, fme_hdr_groups);
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}
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static long fme_hdr_ioctl_release_port(struct dfl_feature_platform_data *pdata,
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unsigned long arg)
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{
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@ -199,8 +175,6 @@ static const struct dfl_feature_id fme_hdr_id_table[] = {
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};
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static const struct dfl_feature_ops fme_hdr_ops = {
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.init = fme_hdr_init,
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.uinit = fme_hdr_uinit,
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.ioctl = fme_hdr_ioctl,
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};
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@ -361,7 +335,8 @@ static int fme_remove(struct platform_device *pdev)
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static struct platform_driver fme_driver = {
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.driver = {
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.name = DFL_FPGA_FEATURE_DEV_FME,
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.name = DFL_FPGA_FEATURE_DEV_FME,
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.dev_groups = fme_hdr_groups,
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},
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.probe = fme_probe,
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.remove = fme_remove,
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