From: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
To: Lucas Stach <dev@lynxeye.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/4] pci: fix device registration for directly attached devices
Date: Fri, 10 Apr 2015 10:24:02 +0200 [thread overview]
Message-ID: <552788A2.3070307@gmail.com> (raw)
In-Reply-To: <1428650112.2182.1.camel@lynxeye.de>
On 10.04.2015 09:15, Lucas Stach wrote:
> Am Freitag, den 10.04.2015, 03:01 +0200 schrieb Sebastian Hesselbarth:
>> Commit b8a1bb1dd215770670108fe5b0de0e5e137bf8fd
>> ("pci: defer device registration until after bridge setup")
>> removed pci_register_device() from setup_device() to allow
>> bridges to be registered before attached sub-devices.
>>
>> This breaks normal registration for devices that are not
>> connected through a bridge. Fix this by calling pci_register_device()
>> for normal devices again.
>
>> Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
>
> NACK: This again breaks devices that are connected through a bridge if
> the bridge configuration is invalid at startup.
>
> There is already a patch on the list which should fix this problem "pci:
> make sure to activate devices on the root bus".
> Could you please test this instead?
Thanks for the hint, the patch on the list indeed fixes root bus
attached device registration. I've replied with a Tested-by.
Please drop this patch.
Sebastian
>> ---
>> Cc: barebox@lists.infradead.org
>> Cc: Lucas Stach <dev@lynxeye.de>
>> ---
>> drivers/pci/pci.c | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
>> index d6e95c3ec894..c633d138ca66 100644
>> --- a/drivers/pci/pci.c
>> +++ b/drivers/pci/pci.c
>> @@ -344,6 +344,7 @@ unsigned int pci_scan_bus(struct pci_bus *bus)
>> dev->rom_address = (l == 0xffffffff) ? 0 : l;
>>
>> setup_device(dev, 6);
>> + pci_register_device(dev);
>> break;
>> case PCI_HEADER_TYPE_BRIDGE:
>> setup_device(dev, 2);
>
>
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next prev parent reply other threads:[~2015-04-10 8:24 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-10 1:01 [PATCH 0/4] Some fixes for PCI, mvneta, xHCI Sebastian Hesselbarth
2015-04-10 1:01 ` [PATCH 1/4] pci: fix device registration for directly attached devices Sebastian Hesselbarth
2015-04-10 7:15 ` Lucas Stach
2015-04-10 8:24 ` Sebastian Hesselbarth [this message]
2015-04-10 1:01 ` [PATCH 2/4] net: mvneta: Fix transmit errors due to dirty txdesc Sebastian Hesselbarth
2015-04-13 6:43 ` Sascha Hauer
2015-04-10 1:01 ` [PATCH 3/4] net: mvneta: Remove unnecessary DMA ops Sebastian Hesselbarth
2015-04-10 7:23 ` Lucas Stach
2015-04-10 8:18 ` Sebastian Hesselbarth
2015-04-10 16:09 ` Jan Lübbe
2015-04-10 1:01 ` [PATCH 4/4] USB: xHCI: Sync non-coherent DMA buffers Sebastian Hesselbarth
2015-04-10 7:25 ` Lucas Stach
2015-04-13 14:22 ` [PATCH v2] " Sebastian Hesselbarth
2015-04-14 18:52 ` Sascha Hauer
2015-04-14 19:29 ` Sebastian Hesselbarth
2015-04-15 9:11 ` Lucas Stach
2015-04-15 9:10 ` Lucas Stach
2015-04-15 12:06 ` Sascha Hauer
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