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SubjectRe: PATCH: rtsx_pci driver - don't disable the rts5229 card reader on Intel NUC boxes
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Hi Ricky.

On 05/08/2020 13:48, Chris Clayton wrote:
> Hi Ricky
<snip>
>>
>> Ah, OK. I'll prepare the patch and send it to you once I've tested it.
>>
>
> Please see the patch included below. As you suggested, it removes the code that does the OC power down on card readers
> that are not members of your A series. The patch is against a fresh pull of Linus's tree this morning
> (v5.8-2768-g4da9f3302615).
>
> I've tested the resultant kernel on my Intel NUC6CAYH box (which contains an NUC66AYB board) and the rts5229 works fine.
> I've also tested it on my laptop which also has a card reader supported by the rtsx_pci driver (an RTL8411B) and that
> also works fine.
>
> As I mentioned yesterday, I think it's a candidate for the 5.4 ans 5.7 stable series.
>
> Thanks for your patience!
>
> Chris
>
> Signed-off-by: Chris Clayton <chris2553@googlemail.com>
>
> --- a/drivers/misc/cardreader/rtsx_pcr.c 2020-08-05 07:10:21.752072515 +0100
> +++ b/drivers/misc/cardreader/rtsx_pcr.c 2020-08-05 07:11:05.568074278 +0100
> @@ -1172,10 +1172,6 @@ void rtsx_pci_init_ocp(struct rtsx_pcr *
> rtsx_pci_write_register(pcr, REG_OCPGLITCH,
> SD_OCP_GLITCH_MASK, pcr->hw_param.ocp_glitch);
> rtsx_pci_enable_ocp(pcr);
> - } else {
> - /* OC power down */
> - rtsx_pci_write_register(pcr, FPDCTL, OC_POWER_DOWN,
> - OC_POWER_DOWN);
> }
> }
> }
>
>

Is there some problem with my patch? If you are too busy to deal with it, perhaps I can submit directly it to Greg/Arnd.

Thanks

Chris

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