linux-kernel - Re: [PATCH v8 4/4] USB: pci-quirks: Add Raspberry Pi 4 quirk

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Date:   Wed, 13 May 2020 10:05:26 +0300
From:   Mathias Nyman <mathias.nyman@...ux.intel.com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Mathias Nyman <mathias.nyman@...el.com>
Cc:     f.fainelli@...il.com, gregkh@...uxfoundation.org, wahrenst@....net,
        helgaas@...nel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        bcm-kernel-feedback-list@...adcom.com, tim.gover@...pberrypi.org,
        linux-pci@...r.kernel.org
Subject: Re: [PATCH v8 4/4] USB: pci-quirks: Add Raspberry Pi 4 quirk

On 11.5.2020 17.25, Lorenzo Pieralisi wrote:
> On Tue, May 05, 2020 at 06:13:17PM +0200, Nicolas Saenz Julienne wrote:
>> On the Raspberry Pi 4, after a PCI reset, VL805's firmware may either be
>> loaded directly from an EEPROM or, if not present, by the SoC's
>> VideoCore. Inform VideoCore that VL805 was just reset.
>>
>> Also, as this creates a dependency between USB_PCI and VideoCore's
>> firmware interface, and since USB_PCI can't be set as a module neither
>> this can. Reflect that on the firmware interface Kconfg.
>>
>> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
>> ---
>>
>> Changes since v5:
>>  - Fix Kconfig issue with allmodconfig
>>
>> Changes since v4:
>>  - Do not split up error message
>>
>> Changes since v3:
>>  - Add more complete error message
>>
>> Changes since v1:
>>  - Make RASPBERRYPI_FIRMWARE dependent on this quirk to make sure it
>>    gets compiled when needed.
>>
>>  drivers/firmware/Kconfig      |  3 ++-
>>  drivers/usb/host/pci-quirks.c | 16 ++++++++++++++++
>>  2 files changed, 18 insertions(+), 1 deletion(-)
> 
> Hi Mathias,
> 
> I would need your ACK to merge this series, thanks.
> 
> Lorenzo

Ah, yes, of course

Acked-by: Mathias Nyman <mathias.nyman@...ux.intel.com>