From: Michael Grzeschik Date: Wed, 1 Jul 2020 18:24:51 +0000 (+0200) Subject: usb: dwc3: gadget: add frame number mask X-Git-Tag: v5.15~3206^2~35^2~2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ca14378560db5440893404a639d69846f46eb70e;p=platform%2Fkernel%2Flinux-starfive.git usb: dwc3: gadget: add frame number mask This patch adds a define DWC3_FRNUMBER_MASK for the commonly used 0x3fff mask and uses it. Signed-off-by: Michael Grzeschik Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 3ab6f11..ca27907 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1403,7 +1403,7 @@ static int dwc3_gadget_start_isoc_quirk(struct dwc3_ep *dep) * Check if we can start isoc transfer on the next interval or * 4 uframes in the future with BIT[15:14] as dep->combo_num */ - test_frame_number = dep->frame_number & 0x3fff; + test_frame_number = dep->frame_number & DWC3_FRNUMBER_MASK; test_frame_number |= dep->combo_num << 14; test_frame_number += max_t(u32, 4, dep->interval); @@ -1450,7 +1450,7 @@ static int dwc3_gadget_start_isoc_quirk(struct dwc3_ep *dep) else if (test0 && test1) dep->combo_num = 0; - dep->frame_number &= 0x3fff; + dep->frame_number &= DWC3_FRNUMBER_MASK; dep->frame_number |= dep->combo_num << 14; dep->frame_number += max_t(u32, 4, dep->interval); diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h index 42907dd..bd85eb7 100644 --- a/drivers/usb/dwc3/gadget.h +++ b/drivers/usb/dwc3/gadget.h @@ -54,6 +54,8 @@ struct dwc3; /* U2 Device exit Latency */ #define DWC3_DEFAULT_U2_DEV_EXIT_LAT 0x1FF /* Less then 511 microsec */ +/* Frame/Microframe Number Mask */ +#define DWC3_FRNUMBER_MASK 0x3fff /* -------------------------------------------------------------------------- */ #define to_dwc3_request(r) (container_of(r, struct dwc3_request, request))