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FROMLIST: USB: gadget: f_fs: add SuperSpeed Plus support

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Setup the descriptors for SuperSpeed Plus for f_fs.

Bug: 170925797
Signed-off-by: taehyun.cho <taehyun.cho@samsung.com>
Link: https://lore.kernel.org/r/20201126180937.255892-3-gregkh@linuxfoundation.org
Change-Id: I261bc3fb6f586b81d2233f60a6fe0a5f250b437b
(cherry picked from commit 00572be28ec474d7953f1b9dd681cc2dd290d9bf)
[willmcvicker: only cherry-picked f_fs portion of original patch]
Signed-off-by: Will McVicker <willmcvicker@google.com>
(cherry picked from commit fc5d4d05b09dcc3d74c77ee6dd3fe5d451364a3b)
Signed-off-by: Will McVicker <willmcvicker@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
taehyun.cho
2020-10-15 23:16:44 -07:00
committed by Greg Kroah-Hartman
parent bce5792769
commit cac70628fb
1 changed files with 5 additions and 0 deletions
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5
drivers/usb/gadget/function/f_fs.c
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@@ -1327,6 +1327,7 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code,
struct usb_endpoint_descriptor *desc;
switch (epfile->ffs->gadget->speed) {
case USB_SPEED_SUPER_PLUS:
case USB_SPEED_SUPER:
desc_idx = 2;
break;
@@ -3222,6 +3223,10 @@ static int _ffs_func_bind(struct usb_configuration *c,
func->function.os_desc_n =
c->cdev->use_os_string ? ffs->interfaces_count : 0;
if (likely(super)) {
func->function.ssp_descriptors =
usb_copy_descriptors(func->function.ss_descriptors);
}
/* And we're done */
ffs_event_add(ffs, FUNCTIONFS_BIND);
return 0;