diff options
| author | Michael Grzeschik <m.grzeschik@pengutronix.de> | 2020-07-01 21:24:51 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@kernel.org> | 2020-07-24 16:45:15 +0300 |
| commit | ca14378560db5440893404a639d69846f46eb70e (patch) | |
| tree | 15990f4c10aba27cb32aabfd4e889731a8f6a6dc /drivers/usb | |
| parent | 7f2ca14d2f9b99e1579c8148dbabf92374ffc69a (diff) | |
| download | linux-ca14378560db5440893404a639d69846f46eb70e.tar.xz | |
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 <m.grzeschik@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 4 | ||||
| -rw-r--r-- | drivers/usb/dwc3/gadget.h | 2 |
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 3ab6f118c508..ca27907667a3 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 42907dd89212..bd85eb7fa9ef 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)) |