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(parent: 2566989) | patch
usb: dwc3: gadget: Ignore Update Transfer cmd params
authorThinh Nguyen <Thinh.Nguyen@synopsys.com>
Tue, 30 Nov 2021 02:53:16 +0000 (18:53 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 3 Dec 2021 11:02:49 +0000 (12:02 +0100)
commite564fb100c7ad139e75461c291faf4e3a730365e
tree505225ed08843e596cb8faff4eb0104a785194eetree | snapshot
parent25669892bac35718b2276571a046f3b4b5216222commit | diff
usb: dwc3: gadget: Ignore Update Transfer cmd params

The controller doesn't check for Update Transfer command parameters
DEPCMDPAR{0,1,2}. Writing to these registers is unnecessary. Ignoring
this improves performance slightly by removing the register write
delay.

Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/997d9ebf38c6bba920d4ee77bd8c77bf81978a55.1638240306.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/dwc3/gadget.c diff | blob | history
Linux Kernel Source Tree.