On 5.1.2021 11.30, Tejas Joglekar wrote: > Hi Mathias, > On 1/4/2021 9:13 PM, Greg Kroah-Hartman wrote: >> On Mon, Jan 04, 2021 at 09:32:13AM +0000, Tejas Joglekar wrote: >>> Hi Greg, >>> On 1/4/2021 1:55 PM, Greg Kroah-Hartman wrote: >>>> On Mon, Jan 04, 2021 at 01:38:43PM +0530, Tejas Joglekar wrote: >>>>> This commit adds the platform device data to setup >>>>> the XHCI_SG_TRB_CACHE_SIZE_QUIRK quirk. DWC3 hosts >>>>> which are PCI devices does not use OF to create platform device >>>>> but create xhci-plat platform device at runtime. So >>>>> this patch allows parent device to supply the quirk >>>>> through platform data. >>>>> >>>>> Signed-off-by: Tejas Joglekar <joglekar@xxxxxxxxxxxx> >>>>> --- >>>>> drivers/usb/dwc3/host.c | 10 ++++++++++ >>>>> 1 file changed, 10 insertions(+) >>>> What changed from previous versions? >>> Resent the patch as it was missed for review by Felipe and I saw your mail >>> >>> to resend the patch if not reviewed. Other two patches from series are >>> >>> picked up by Mathias, this one is remaining for review. >> Ah, how was I supposed to guess that? :) >> >>>>> diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c >>>>> index e195176580de..0434bc8cec12 100644 >>>>> --- a/drivers/usb/dwc3/host.c >>>>> +++ b/drivers/usb/dwc3/host.c >>>>> @@ -11,6 +11,11 @@ >>>>> #include <linux/platform_device.h> >>>>> >>>>> #include "core.h" >>>>> +#include "../host/xhci-plat.h" >>>> That feels really wrong. Are you sure about that? >>> To use the struct xhci_plat_priv this was included, can you suggest alternative? >> If that is the "normal" way to do this with the xhci driver, ok, but I >> would like to get an ack from Mathias for this before taking it. >> > Can you please review this patch which is including the xhci-plat header? Let me > > know if anything should be modified. Ack if this patch looks ok so Greg can > > take it. > This doesn't look right. dwc3 shouldn't need to know about xhci platform private structures, besides, this patch now adds the quirk to all xhci platform devices created by dwc3. I haven't touched dwc3 at all, but I'd guess you probably need to add a new entry to the dwc3_pci_id_table[] in dwc3-pci.c, add a device property, and then look for that property in xhci-plat.c, and set the quirk. -Mathias