From: Wu Hao <hao.wu@intel.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Alan Tull <atull@kernel.org>, Moritz Fischer <mdf@kernel.org>,
linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fpga: dfl: use driver core functions, not sysfs ones.
Date: Thu, 4 Jul 2019 23:14:17 +0800 [thread overview]
Message-ID: <20190704151416.GA1423@hao-dev> (raw)
In-Reply-To: <20190704055645.GA15471@kroah.com>
On Thu, Jul 04, 2019 at 07:56:45AM +0200, Greg Kroah-Hartman wrote:
> This is a driver, do not call "raw" sysfs functions, instead call driver
> core ones. Specifically convert the use of sysfs_create_files() and
> sysfs_remove_files() to use device_add_groups() and
> device_remove_groups()
Hi Greg,
Thanks for this patch. It looks good, and works well in my side.
I will follow the same (replace sysfs_create/remove_* with
device_add/remove_group) to rework my patchset too. Thanks.
Hao
>
> Cc: Wu Hao <hao.wu@intel.com>
> Cc: Alan Tull <atull@kernel.org>
> Cc: Moritz Fischer <mdf@kernel.org>
> Cc: linux-fpga@vger.kernel.org
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> ---
> drivers/fpga/dfl-afu-main.c | 14 ++++++++------
> drivers/fpga/dfl-fme-main.c | 7 ++++---
> 2 files changed, 12 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/fpga/dfl-afu-main.c b/drivers/fpga/dfl-afu-main.c
> index 02baa6a227c0..68b4d0874b93 100644
> --- a/drivers/fpga/dfl-afu-main.c
> +++ b/drivers/fpga/dfl-afu-main.c
> @@ -141,10 +141,11 @@ id_show(struct device *dev, struct device_attribute *attr, char *buf)
> }
> static DEVICE_ATTR_RO(id);
>
> -static const struct attribute *port_hdr_attrs[] = {
> +static struct attribute *port_hdr_attrs[] = {
> &dev_attr_id.attr,
> NULL,
> };
> +ATTRIBUTE_GROUPS(port_hdr);
>
> static int port_hdr_init(struct platform_device *pdev,
> struct dfl_feature *feature)
> @@ -153,7 +154,7 @@ static int port_hdr_init(struct platform_device *pdev,
>
> port_reset(pdev);
>
> - return sysfs_create_files(&pdev->dev.kobj, port_hdr_attrs);
> + return device_add_groups(&pdev->dev, port_hdr_groups);
> }
>
> static void port_hdr_uinit(struct platform_device *pdev,
> @@ -161,7 +162,7 @@ static void port_hdr_uinit(struct platform_device *pdev,
> {
> dev_dbg(&pdev->dev, "PORT HDR UInit.\n");
>
> - sysfs_remove_files(&pdev->dev.kobj, port_hdr_attrs);
> + device_remove_groups(&pdev->dev, port_hdr_groups);
> }
>
> static long
> @@ -214,10 +215,11 @@ afu_id_show(struct device *dev, struct device_attribute *attr, char *buf)
> }
> static DEVICE_ATTR_RO(afu_id);
>
> -static const struct attribute *port_afu_attrs[] = {
> +static struct attribute *port_afu_attrs[] = {
> &dev_attr_afu_id.attr,
> NULL
> };
> +ATTRIBUTE_GROUPS(port_afu);
>
> static int port_afu_init(struct platform_device *pdev,
> struct dfl_feature *feature)
> @@ -234,7 +236,7 @@ static int port_afu_init(struct platform_device *pdev,
> if (ret)
> return ret;
>
> - return sysfs_create_files(&pdev->dev.kobj, port_afu_attrs);
> + return device_add_groups(&pdev->dev, port_afu_groups);
> }
>
> static void port_afu_uinit(struct platform_device *pdev,
> @@ -242,7 +244,7 @@ static void port_afu_uinit(struct platform_device *pdev,
> {
> dev_dbg(&pdev->dev, "PORT AFU UInit.\n");
>
> - sysfs_remove_files(&pdev->dev.kobj, port_afu_attrs);
> + device_remove_groups(&pdev->dev, port_afu_groups);
> }
>
> static const struct dfl_feature_ops port_afu_ops = {
> diff --git a/drivers/fpga/dfl-fme-main.c b/drivers/fpga/dfl-fme-main.c
> index 086ad2420ade..0be4635583d5 100644
> --- a/drivers/fpga/dfl-fme-main.c
> +++ b/drivers/fpga/dfl-fme-main.c
> @@ -72,12 +72,13 @@ static ssize_t bitstream_metadata_show(struct device *dev,
> }
> static DEVICE_ATTR_RO(bitstream_metadata);
>
> -static const struct attribute *fme_hdr_attrs[] = {
> +static struct attribute *fme_hdr_attrs[] = {
> &dev_attr_ports_num.attr,
> &dev_attr_bitstream_id.attr,
> &dev_attr_bitstream_metadata.attr,
> NULL,
> };
> +ATTRIBUTE_GROUPS(fme_hdr);
>
> static int fme_hdr_init(struct platform_device *pdev,
> struct dfl_feature *feature)
> @@ -89,7 +90,7 @@ static int fme_hdr_init(struct platform_device *pdev,
> dev_dbg(&pdev->dev, "FME cap %llx.\n",
> (unsigned long long)readq(base + FME_HDR_CAP));
>
> - ret = sysfs_create_files(&pdev->dev.kobj, fme_hdr_attrs);
> + ret = device_add_groups(&pdev->dev, fme_hdr_groups);
> if (ret)
> return ret;
>
> @@ -100,7 +101,7 @@ static void fme_hdr_uinit(struct platform_device *pdev,
> struct dfl_feature *feature)
> {
> dev_dbg(&pdev->dev, "FME HDR UInit.\n");
> - sysfs_remove_files(&pdev->dev.kobj, fme_hdr_attrs);
> + device_remove_groups(&pdev->dev, fme_hdr_groups);
> }
>
> static const struct dfl_feature_ops fme_hdr_ops = {
> --
> 2.22.0
prev parent reply other threads:[~2019-07-04 15:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-04 5:56 [PATCH] fpga: dfl: use driver core functions, not sysfs ones Greg Kroah-Hartman
2019-07-04 15:14 ` Wu Hao [this message]
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