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* [PATCH] PCI/portdrv: Fix regression introduced by commit 2dcfaf85
@ 2012-10-31  0:51 Taku Izumi
  2012-10-31  1:34 ` Yinghai Lu
  2012-11-01 12:53 ` Jiang Liu
  0 siblings, 2 replies; 4+ messages in thread
From: Taku Izumi @ 2012-10-31  0:51 UTC (permalink / raw)
  To: Bjorn Helgaas, linux-pci, Jiang Liu, wangyijing; +Cc: Yinghai Lu


PCI/portdrv: Fix regression introduced by commit 2dcfaf85

After commit 2dcfaf85, hotplug slots for port devices 
w/o slot implementation come to be created.  
This patch fixes this problem.

Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
---
 drivers/pci/pcie/portdrv_core.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: pci/drivers/pci/pcie/portdrv_core.c
===================================================================
--- pci.orig/drivers/pci/pcie/portdrv_core.c
+++ pci/drivers/pci/pcie/portdrv_core.c
@@ -272,7 +272,8 @@ static int get_port_device_capability(st
 	}
 
 	/* Hot-Plug Capable */
-	if (cap_mask & PCIE_PORT_SERVICE_HP) {
+	if ((cap_mask & PCIE_PORT_SERVICE_HP) &&
+	    dev->pcie_flags_reg & PCI_EXP_FLAGS_SLOT) {
 		pcie_capability_read_dword(dev, PCI_EXP_SLTCAP, &reg32);
 		if (reg32 & PCI_EXP_SLTCAP_HPC) {
 			services |= PCIE_PORT_SERVICE_HP;


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] PCI/portdrv: Fix regression introduced by commit 2dcfaf85
  2012-10-31  0:51 [PATCH] PCI/portdrv: Fix regression introduced by commit 2dcfaf85 Taku Izumi
@ 2012-10-31  1:34 ` Yinghai Lu
  2012-11-01 12:53 ` Jiang Liu
  1 sibling, 0 replies; 4+ messages in thread
From: Yinghai Lu @ 2012-10-31  1:34 UTC (permalink / raw)
  To: Taku Izumi; +Cc: Bjorn Helgaas, linux-pci, Jiang Liu, wangyijing

On Tue, Oct 30, 2012 at 5:51 PM, Taku Izumi <izumi.taku@jp.fujitsu.com> wrote:
>
> PCI/portdrv: Fix regression introduced by commit 2dcfaf85
>
> After commit 2dcfaf85, hotplug slots for port devices
> w/o slot implementation come to be created.
> This patch fixes this problem.
>
> Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
> ---
>  drivers/pci/pcie/portdrv_core.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> Index: pci/drivers/pci/pcie/portdrv_core.c
> ===================================================================
> --- pci.orig/drivers/pci/pcie/portdrv_core.c
> +++ pci/drivers/pci/pcie/portdrv_core.c
> @@ -272,7 +272,8 @@ static int get_port_device_capability(st
>         }
>
>         /* Hot-Plug Capable */
> -       if (cap_mask & PCIE_PORT_SERVICE_HP) {
> +       if ((cap_mask & PCIE_PORT_SERVICE_HP) &&
> +           dev->pcie_flags_reg & PCI_EXP_FLAGS_SLOT) {
>                 pcie_capability_read_dword(dev, PCI_EXP_SLTCAP, &reg32);
>                 if (reg32 & PCI_EXP_SLTCAP_HPC) {
>                         services |= PCIE_PORT_SERVICE_HP;
>

Acked-by: Yinghai Lu <yinghai@kernel.org>

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] PCI/portdrv: Fix regression introduced by commit 2dcfaf85
  2012-10-31  0:51 [PATCH] PCI/portdrv: Fix regression introduced by commit 2dcfaf85 Taku Izumi
  2012-10-31  1:34 ` Yinghai Lu
@ 2012-11-01 12:53 ` Jiang Liu
  2012-11-05 22:08   ` Bjorn Helgaas
  1 sibling, 1 reply; 4+ messages in thread
From: Jiang Liu @ 2012-11-01 12:53 UTC (permalink / raw)
  To: Taku Izumi; +Cc: Bjorn Helgaas, linux-pci, wangyijing, Yinghai Lu

Hi Taku,
	It's a mistake introduced by that patch, thanks for fix it.
	Reviewed-by: <jiang.liu@huawei.com>

On 2012-10-31 8:51, Taku Izumi wrote:
> 
> PCI/portdrv: Fix regression introduced by commit 2dcfaf85
> 
> After commit 2dcfaf85, hotplug slots for port devices 
> w/o slot implementation come to be created.  
> This patch fixes this problem.
> 
> Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
> ---
>  drivers/pci/pcie/portdrv_core.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> Index: pci/drivers/pci/pcie/portdrv_core.c
> ===================================================================
> --- pci.orig/drivers/pci/pcie/portdrv_core.c
> +++ pci/drivers/pci/pcie/portdrv_core.c
> @@ -272,7 +272,8 @@ static int get_port_device_capability(st
>  	}
>  
>  	/* Hot-Plug Capable */
> -	if (cap_mask & PCIE_PORT_SERVICE_HP) {
> +	if ((cap_mask & PCIE_PORT_SERVICE_HP) &&
> +	    dev->pcie_flags_reg & PCI_EXP_FLAGS_SLOT) {
>  		pcie_capability_read_dword(dev, PCI_EXP_SLTCAP, &reg32);
>  		if (reg32 & PCI_EXP_SLTCAP_HPC) {
>  			services |= PCIE_PORT_SERVICE_HP;
> 
> 
> 



^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] PCI/portdrv: Fix regression introduced by commit 2dcfaf85
  2012-11-01 12:53 ` Jiang Liu
@ 2012-11-05 22:08   ` Bjorn Helgaas
  0 siblings, 0 replies; 4+ messages in thread
From: Bjorn Helgaas @ 2012-11-05 22:08 UTC (permalink / raw)
  To: Jiang Liu; +Cc: Taku Izumi, linux-pci, wangyijing, Yinghai Lu

On Thu, Nov 1, 2012 at 6:53 AM, Jiang Liu <jiang.liu@huawei.com> wrote:
> Hi Taku,
>         It's a mistake introduced by that patch, thanks for fix it.
>         Reviewed-by: <jiang.liu@huawei.com>
>
> On 2012-10-31 8:51, Taku Izumi wrote:
>>
>> PCI/portdrv: Fix regression introduced by commit 2dcfaf85
>>
>> After commit 2dcfaf85, hotplug slots for port devices
>> w/o slot implementation come to be created.
>> This patch fixes this problem.

I applied this to my for-linus branch as v3.7 material.  Thanks!

>> Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
>> ---
>>  drivers/pci/pcie/portdrv_core.c |    3 ++-
>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> Index: pci/drivers/pci/pcie/portdrv_core.c
>> ===================================================================
>> --- pci.orig/drivers/pci/pcie/portdrv_core.c
>> +++ pci/drivers/pci/pcie/portdrv_core.c
>> @@ -272,7 +272,8 @@ static int get_port_device_capability(st
>>       }
>>
>>       /* Hot-Plug Capable */
>> -     if (cap_mask & PCIE_PORT_SERVICE_HP) {
>> +     if ((cap_mask & PCIE_PORT_SERVICE_HP) &&
>> +         dev->pcie_flags_reg & PCI_EXP_FLAGS_SLOT) {
>>               pcie_capability_read_dword(dev, PCI_EXP_SLTCAP, &reg32);
>>               if (reg32 & PCI_EXP_SLTCAP_HPC) {
>>                       services |= PCIE_PORT_SERVICE_HP;
>>
>>
>>
>
>

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2012-11-05 22:09 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2012-10-31  0:51 [PATCH] PCI/portdrv: Fix regression introduced by commit 2dcfaf85 Taku Izumi
2012-10-31  1:34 ` Yinghai Lu
2012-11-01 12:53 ` Jiang Liu
2012-11-05 22:08   ` Bjorn Helgaas

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