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From: Gary R Hook <gary.hook@amd.com>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: "iommu@lists.linux-foundation.org"
	<iommu@lists.linux-foundation.org>,
	Joerg Roedel <joro@8bytes.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 5/5] iommu/amd - Add a debugfs entry to specify a IOMMU device table entry
Date: Tue, 13 Mar 2018 13:54:15 -0500	[thread overview]
Message-ID: <3969f155-c3bf-44c5-d056-825e71d42152@amd.com> (raw)
In-Reply-To: <CAHp75Vfc+JTjU2P0GCedVFcHYniXoVcmRC3n4cFsLMr9sx6eyA@mail.gmail.com>

On 03/13/2018 12:20 PM, Andy Shevchenko wrote:
> 
>> +               oboff += OSCNPRINTF("%02x:%02x:%x (%u / %04x)\n",
>> +                                   PCI_BUS_NUM(amd_iommu_devid),
>> +                                   PCI_SLOT(amd_iommu_devid),
>> +                                   PCI_FUNC(amd_iommu_devid),
> 
> Perhaps at some point we will have an extension to %p to print PCI BDFs.

But until then....  ;-)

>> +       if (strnchr(obuf, OBUFLEN, ':'))
>> +       {
> 
> Style

D'oh!

>> +       } else if (obuf[0] == '0' && obuf[1] == 'x') {
>> +               n = sscanf(obuf, "%x", &amd_iommu_devid);
>> +       } else {
>> +               n = sscanf(obuf, "%d", &amd_iommu_devid);
>> +       }
> 
> kstrtoint() ?

I see various mechanisms for this sort of thing, and simply chose one.
Am happy to use whatever is preferred.

  reply	other threads:[~2018-03-13 18:54 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-09  0:50 [PATCH v2 0/5] Add debugfs info for the AMD IOMMU Gary R Hook
2018-03-09  0:50 ` [PATCH v2 1/5] iommu/amd - Add debugfs support Gary R Hook
2018-03-13 17:16   ` Andy Shevchenko
2018-03-13 18:54     ` Gary R Hook
2018-03-13 20:23       ` Andy Shevchenko
2018-03-14 15:24         ` Gary R Hook
2018-03-14 15:29           ` Andy Shevchenko
2018-03-14 22:23             ` Gary R Hook
2018-03-09  0:50 ` [PATCH v2 2/5] iommu/amd - Add a 'verbose' switch for IOMMU debugfs Gary R Hook
2018-03-09  0:51 ` [PATCH v2 3/5] iommu/amd - Add a README variable for the " Gary R Hook
2018-03-09  0:51 ` [PATCH v2 4/5] iommu/amd - Expose the active IOMMU device table entries Gary R Hook
2018-03-09  0:51 ` [PATCH v2 5/5] iommu/amd - Add a debugfs entry to specify a IOMMU device table entry Gary R Hook
2018-03-13 17:20   ` Andy Shevchenko
2018-03-13 18:54     ` Gary R Hook [this message]
2018-03-13 20:56       ` Andy Shevchenko
2018-03-14 15:24         ` Gary R Hook

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