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From: Wu Hao <hao.wu@intel.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: mdf@kernel.org, linux-fpga@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-api@vger.kernel.org,
	linux-doc@vger.kernel.org, atull@kernel.org,
	Luwei Kang <luwei.kang@intel.com>,
	Ananda Ravuri <ananda.ravuri@intel.com>,
	Xu Yilun <yilun.xu@intel.com>
Subject: Re: [PATCH v4 11/12] fpga: dfl: fme: add global error reporting support
Date: Wed, 7 Aug 2019 16:08:25 +0800	[thread overview]
Message-ID: <20190807080825.GA10344@hao-dev> (raw)
In-Reply-To: <20190807024521.GD24158@hao-dev>

On Wed, Aug 07, 2019 at 10:45:22AM +0800, Wu Hao wrote:
> On Mon, Aug 05, 2019 at 05:56:26PM +0200, Greg KH wrote:
> > On Sun, Aug 04, 2019 at 06:20:21PM +0800, Wu Hao wrote:
> > > +static int fme_global_err_init(struct platform_device *pdev,
> > > +			       struct dfl_feature *feature)
> > > +{
> > > +	struct device *dev;
> > > +	int ret = 0;
> > > +
> > > +	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
> > > +	if (!dev)
> > > +		return -ENOMEM;
> > > +
> > > +	dev->parent = &pdev->dev;
> > > +	dev->release = err_dev_release;
> > > +	dev_set_name(dev, "errors");
> > > +
> > > +	fme_error_enable(feature);
> > > +
> > > +	ret = device_register(dev);
> > > +	if (ret) {
> > > +		put_device(dev);
> > > +		return ret;
> > > +	}
> > > +
> > > +	ret = device_add_groups(dev, error_groups);
> > 
> > cute, but no, you do not create a whole struct device for a subdir.  Use
> > the attribute group name like you did on earlier patches.
> 
> Sure, let me fix it in the next version.
> 
> > 
> > And again, you raced userspace and lost :(
> 
> Same here, could you please give some more hints here?

Oh.. I see..

I should follow [1] as this is a platform driver. I will fix it. Thanks!

[PATCH 00/11] Platform drivers, provide a way to add sysfs groups easily

[1]https://lkml.org/lkml/2019/7/4/181

Hao

> 
> Thanks in advance.
> Hao
> 
> > 
> > thanks,
> > 
> > greg k-h

  reply	other threads:[~2019-08-07  8:25 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-04 10:20 [PATCH v4 00/12] FPGA DFL updates Wu Hao
2019-08-04 10:20 ` [PATCH v4 01/12] fpga: dfl: fme: add DFL_FPGA_FME_PORT_RELEASE/ASSIGN ioctl support Wu Hao
2019-08-04 10:20 ` [PATCH v4 02/12] fpga: dfl: pci: enable SRIOV support Wu Hao
2019-08-04 10:20 ` [PATCH v4 03/12] fpga: dfl: afu: add AFU state related sysfs interfaces Wu Hao
2019-08-04 10:20 ` [PATCH v4 04/12] fpga: dfl: afu: add userclock " Wu Hao
2019-08-05 15:51   ` Greg KH
2019-08-07  2:18     ` Wu Hao
2019-08-04 10:20 ` [PATCH v4 05/12] fpga: dfl: add id_table for dfl private feature driver Wu Hao
2019-08-04 10:20 ` [PATCH v4 06/12] fpga: dfl: afu: export __port_enable/disable function Wu Hao
2019-08-05 15:52   ` Greg KH
2019-08-07  2:21     ` Wu Hao
2019-08-04 10:20 ` [PATCH v4 07/12] fpga: dfl: afu: add error reporting support Wu Hao
2019-08-05 15:54   ` Greg KH
2019-08-07  2:35     ` Wu Hao
2019-08-04 10:20 ` [PATCH v4 08/12] fpga: dfl: make uinit callback optional Wu Hao
2019-08-09 19:51   ` Moritz Fischer
2019-08-04 10:20 ` [PATCH v4 09/12] fpga: dfl: afu: add STP (SignalTap) support Wu Hao
2019-08-04 10:20 ` [PATCH v4 10/12] fpga: dfl: fme: add capability sysfs interfaces Wu Hao
2019-08-04 10:20 ` [PATCH v4 11/12] fpga: dfl: fme: add global error reporting support Wu Hao
2019-08-05 15:56   ` Greg KH
2019-08-07  2:45     ` Wu Hao
2019-08-07  8:08       ` Wu Hao [this message]
2019-08-07  9:30         ` Greg KH
2019-08-04 10:20 ` [PATCH v4 12/12] Documentation: fpga: dfl: add descriptions for virtualization and new interfaces Wu Hao

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