diff options
| author | Michael Grzeschik <mgr@pengutronix.de> | 2013-06-13 18:59:47 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-18 00:45:46 +0400 |
| commit | e4ce4ecd962e17a92974b3c7ba063d29fce8c86f (patch) | |
| tree | 2671f6d09147c13d91eab6aff1717153037dbc18 /drivers/usb/chipidea/udc.h | |
| parent | f6a57507f685bb24b83893a12e65623a2fc69489 (diff) | |
| download | linux-e4ce4ecd962e17a92974b3c7ba063d29fce8c86f.tar.xz | |
usb: chipidea: udc: configure iso endpoints
This patch adds iso endpoint support to the device controller.
It makes use of the multiplication bits in the maxpacket field
of the endpoint and calculates the multiplier bits for each
transfer description on every request.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Reviewed-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/chipidea/udc.h')
| -rw-r--r-- | drivers/usb/chipidea/udc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/udc.h b/drivers/usb/chipidea/udc.h index d12e8b59b110..a75724a19e1a 100644 --- a/drivers/usb/chipidea/udc.h +++ b/drivers/usb/chipidea/udc.h @@ -50,6 +50,7 @@ struct ci13xxx_qh { #define QH_MAX_PKT (0x07FFUL << 16) #define QH_ZLT BIT(29) #define QH_MULT (0x0003UL << 30) +#define QH_ISO_MULT(x) ((x >> 11) & 0x03) /* 1 */ u32 curr; /* 2 - 8 */ |