Revert "usb: gadget: f_uvc: change endpoint allocation in uvc_function_bind()"
authorFrank Li <Frank.Li@nxp.com>
Sun, 24 Dec 2023 15:38:16 +0000 (10:38 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 25 Jan 2024 23:35:42 +0000 (15:35 -0800)
commit53eea0d939e3136b47e3456e9d0bc4e0a1fe3424
treedd33f3b088b784c3e33df617bbc2ae1da60988f0
parent7fc3dd358aa0b9fe48a0292ba38cca5073a922e9
Revert "usb: gadget: f_uvc: change endpoint allocation in uvc_function_bind()"

commit 895ee5aefb7e24203de5dffae7ce9a02d78fa3d1 upstream.

This reverts commit 3c5b006f3ee800b4bd9ed37b3a8f271b8560126e.

gadget_is_{super|dual}speed() API check UDC controller capitblity. It
should pass down highest speed endpoint descriptor to UDC controller. So
UDC controller driver can reserve enough resource at check_config(),
especially mult and maxburst. So UDC driver (such as cdns3) can know need
at least (mult + 1) * (maxburst + 1) * wMaxPacketSize internal memory for
this uvc functions.

Cc: <stable@vger.kernel.org>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20231224153816.1664687-5-Frank.Li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/gadget/function/f_uvc.c