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authorThinh Nguyen <Thinh.Nguyen@synopsys.com>2022-03-07 18:59:56 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-03-15 15:42:24 +0100
commitaa6812be1feb75139b9bc263915b3f1ceeb4e154 (patch)
tree6a2c18d687580e2e2a38a9309aaf0708b8e81cb8 /lib/test_ida.c
parent62b20e6e0dde8d5633e3d94b028f86fb24b31d22 (diff)
downloadlinux-aa6812be1feb75139b9bc263915b3f1ceeb4e154.tar.gz
usb: dwc3: gadget: Give some time to schedule isoc
Currently the driver will schedule isoc transfers immediately on the
next interval, which is quite aggressive when the interval is 125us.
There's report that some platforms may need more time to process the
transfer, otherwise the controller may miss the first interval. Let's
keep it simple and give the controller at least 500us to schedule the
isoc transfer.

Link: https://lore.kernel.org/linux-usb/20220302143539.GI11577@pengutronix.de/
Tested-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/deb8146b8e1f7f8495ef2d5647017270934cb2d8.1646708142.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/test_ida.c')
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