linux-kernel - Re: [PATCH] add pci revision id to struct pci

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Message-Id: <1162817193.3138.10.camel@laptopd505.fenrus.org>
Date:	Mon, 06 Nov 2006 13:46:33 +0100
From:	Arjan van de Ven <arjan@...radead.org>
To:	Conke Hu <conke.hu@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] add pci revision id to struct pci_dev

On Mon, 2006-11-06 at 20:40 +0800, Conke Hu wrote:
> Hi all,
>     PCI revision id had better be added to struct pci_dev and
> initialized in pci_scan_device.
> 
>     Signed-off-by: Conke Hu <conke.hu@...il.com>

Hi,

it's customary to use the email address from the copyright holder (eg
your employer, AMD) in the Signed-off-by line.

> 
> -----
> diff -Nur linux-2.6.19-rc4-git10.orig/drivers/pci/probe.c
> linux-2.6.19-rc4-git10/drivers/pci/probe.c
> --- linux-2.6.19-rc4-git10.orig/drivers/pci/probe.c     2006-11-06
> 19:38:43.000000000 +0800

and your patch is word wrapped...

> +++ linux-2.6.19-rc4-git10/drivers/pci/probe.c  2006-11-06
> 19:41:17.000000000 +0800
> @@ -785,6 +785,7 @@
>        u32 l;
>        u8 hdr_type;
>        int delay = 1;
> +       u8 rev;
> 
>        if (pci_bus_read_config_dword(bus, devfn, PCI_VENDOR_ID, &l))
>                return NULL;
> @@ -813,6 +814,9 @@
>        if (pci_bus_read_config_byte(bus, devfn, PCI_HEADER_TYPE, &hdr_type))
>                return NULL;
> 
> +       if (pci_bus_read_config_byte(bus, devfn, PCI_REVISION_ID, &rev))
> +               return NULL;
> +
>        dev = kzalloc(sizeof(struct pci_dev), GFP_KERNEL);
>        if (!dev)
>                return NULL;
> @@ -828,6 +832,7 @@
>        dev->device = (l >> 16) & 0xffff;
>        dev->cfg_size = pci_cfg_space_size(dev);
>        dev->error_state = pci_channel_io_normal;
> +       dev->revision = rev;
> 
>        /* Assume 32-bit PCI; let 64-bit PCI cards (which are far rarer)
>           set this higher, assuming the system even supports it.  */
> diff -Nur linux-2.6.19-rc4-git10.orig/include/linux/pci.h
> linux-2.6.19-rc4-git10/include/linux/pci.h
> --- linux-2.6.19-rc4-git10.orig/include/linux/pci.h     2006-11-06
> 19:39:07.000000000 +0800
> +++ linux-2.6.19-rc4-git10/include/linux/pci.h  2006-11-06
> 19:41:57.000000000 +0800
> @@ -123,6 +123,7 @@
>        unsigned short  device;
>        unsigned short  subsystem_vendor;
>        unsigned short  subsystem_device;
> +       u8              revision;       /* PCI revision ID */
>        unsigned int    class;          /* 3 bytes: (base,sub,prog-if) */
>        u8              hdr_type;       /* PCI header type (`multi'
> flag masked out) */

pretty badly in fact.


can you resend it without the word wrappings ?

It looks good to me otherwise....


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