> On Wed, 3 Feb 2021, Russ Weight wrote:
>
> >
> >
> > On 2/3/21 1:28 AM, Wu, Hao wrote:
> >>> Subject: Re: [PATCH v2 1/1] fpga: dfl: afu: harden port enable logic
> >>>
> >>> Sorry for the delay on this patch. It seemed like a lower pr
On Wed, 3 Feb 2021, Russ Weight wrote:
On 2/3/21 1:28 AM, Wu, Hao wrote:
Subject: Re: [PATCH v2 1/1] fpga: dfl: afu: harden port enable logic
Sorry for the delay on this patch. It seemed like a lower priority patch than
others, since we haven't seen any issues with current pro
On 2/3/21 1:28 AM, Wu, Hao wrote:
>> Subject: Re: [PATCH v2 1/1] fpga: dfl: afu: harden port enable logic
>>
>> Sorry for the delay on this patch. It seemed like a lower priority patch than
>> others, since we haven't seen any issues with current products.
> Subject: Re: [PATCH v2 1/1] fpga: dfl: afu: harden port enable logic
>
> Sorry for the delay on this patch. It seemed like a lower priority patch than
> others, since we haven't seen any issues with current products. Please my
> responses inline.
>
> On 9/17
On 9/17/20 2:38 PM, Moritz Fischer wrote:
> On Thu, Sep 17, 2020 at 01:28:22PM -0700, Tom Rix wrote:
>> On 9/17/20 11:32 AM, Russ Weight wrote:
>>> Port enable is not complete until ACK = 0. Change
>>> __afu_port_enable() to guarantee that the enable process
>>> is complete by polling for ACK ==
On 2/2/21 12:32 PM, Russ Weight wrote:
>
> On 9/17/20 1:28 PM, Tom Rix wrote:
>> On 9/17/20 11:32 AM, Russ Weight wrote:
>>> Port enable is not complete until ACK = 0. Change
>>> __afu_port_enable() to guarantee that the enable process
>>> is complete by polling for ACK == 0.
>>>
>>> Signed-off-
On 9/17/20 1:28 PM, Tom Rix wrote:
> On 9/17/20 11:32 AM, Russ Weight wrote:
>> Port enable is not complete until ACK = 0. Change
>> __afu_port_enable() to guarantee that the enable process
>> is complete by polling for ACK == 0.
>>
>> Signed-off-by: Russ Weight
>> ---
>> drivers/fpga/dfl-afu-
September 18, 2020 2:32 AM
>> To: m...@kernel.org; linux-f...@vger.kernel.org; linux-
>> ker...@vger.kernel.org
>> Cc: t...@redhat.com; lgonc...@redhat.com; Xu, Yilun ;
>> Wu, Hao ; Gerlach, Matthew
>> ; Weight, Russell H
>>
>> Subject: [PATCH v2 1/1]
> Subject: Re: [PATCH v2 1/1] fpga: dfl: afu: harden port enable logic
>
> On Thu, Sep 17, 2020 at 01:28:22PM -0700, Tom Rix wrote:
> >
> > On 9/17/20 11:32 AM, Russ Weight wrote:
> > > Port enable is not complete until ACK = 0. Change
> > > __afu_por
, Russell H
>
> Subject: [PATCH v2 1/1] fpga: dfl: afu: harden port enable logic
>
> Port enable is not complete until ACK = 0. Change
> __afu_port_enable() to guarantee that the enable process
> is complete by polling for ACK == 0.
The description of this port reset ack bit is
> > > /**
> > > * __afu_port_enable - enable a port by clear reset
> > > * @pdev: port platform device.
> > > @@ -32,7 +35,7 @@
> > > *
> > > * The caller needs to hold lock for protection.
> > > */
> > > -void __afu_port_enable(struct platform_device *pdev)
> > > +int __afu_port_enable(
On Thu, Sep 17, 2020 at 01:28:22PM -0700, Tom Rix wrote:
>
> On 9/17/20 11:32 AM, Russ Weight wrote:
> > Port enable is not complete until ACK = 0. Change
> > __afu_port_enable() to guarantee that the enable process
> > is complete by polling for ACK == 0.
> >
> > Signed-off-by: Russ Weight
Gener
On 9/17/20 11:32 AM, Russ Weight wrote:
> Port enable is not complete until ACK = 0. Change
> __afu_port_enable() to guarantee that the enable process
> is complete by polling for ACK == 0.
>
> Signed-off-by: Russ Weight
> ---
> drivers/fpga/dfl-afu-error.c | 2 +-
> drivers/fpga/dfl-afu-main.
Port enable is not complete until ACK = 0. Change
__afu_port_enable() to guarantee that the enable process
is complete by polling for ACK == 0.
Signed-off-by: Russ Weight
---
drivers/fpga/dfl-afu-error.c | 2 +-
drivers/fpga/dfl-afu-main.c | 29 +
drivers/fpga/dfl-a
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