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authorMichael Grzeschik <mgr@pengutronix.de>2013-06-13 17:59:47 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-06-17 13:45:46 -0700
commite4ce4ecd962e17a92974b3c7ba063d29fce8c86f (patch)
tree2671f6d09147c13d91eab6aff1717153037dbc18 /drivers/usb/chipidea/udc.h
parentf6a57507f685bb24b83893a12e65623a2fc69489 (diff)
downloadblackbird-op-linux-e4ce4ecd962e17a92974b3c7ba063d29fce8c86f.tar.gz
blackbird-op-linux-e4ce4ecd962e17a92974b3c7ba063d29fce8c86f.zip
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.h1
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 */
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