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Merge 4.8-rc7 into usb-next

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We want/need the USB fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2016-09-19 09:12:41 +02:00
parent eddde28895 3be7988674
commit c51f2ff007
259 changed files with 2489 additions and 1584 deletions
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28
drivers/usb/core/config.c
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@@ -240,8 +240,10 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum,
memcpy(&endpoint->desc, d, n);
INIT_LIST_HEAD(&endpoint->urb_list);
/* Fix up bInterval values outside the legal range. Use 32 ms if no
* proper value can be guessed. */
/*
* Fix up bInterval values outside the legal range.
* Use 10 or 8 ms if no proper value can be guessed.
*/
i = 0; /* i = min, j = max, n = default */
j = 255;
if (usb_endpoint_xfer_int(d)) {
@@ -250,13 +252,15 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum,
case USB_SPEED_SUPER_PLUS:
case USB_SPEED_SUPER:
case USB_SPEED_HIGH:
/* Many device manufacturers are using full-speed
/*
* Many device manufacturers are using full-speed
* bInterval values in high-speed interrupt endpoint
* descriptors. Try to fix those and fall back to a
* 32 ms default value otherwise. */
* descriptors. Try to fix those and fall back to an
* 8-ms default value otherwise.
*/
n = fls(d->bInterval*8);
if (n == 0)
n = 9; /* 32 ms = 2^(9-1) uframes */
n = 7; /* 8 ms = 2^(7-1) uframes */
j = 16;
/*
@@ -271,10 +275,12 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum,
}
break;
default: /* USB_SPEED_FULL or _LOW */
/* For low-speed, 10 ms is the official minimum.
/*
* For low-speed, 10 ms is the official minimum.
* But some "overclocked" devices might want faster
* polling so we'll allow it. */
n = 32;
* polling so we'll allow it.
*/
n = 10;
break;
}
} else if (usb_endpoint_xfer_isoc(d)) {
@@ -282,10 +288,10 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum,
j = 16;
switch (to_usb_device(ddev)->speed) {
case USB_SPEED_HIGH:
n = 9; /* 32 ms = 2^(9-1) uframes */
n = 7; /* 8 ms = 2^(7-1) uframes */
break;
default: /* USB_SPEED_FULL */
n = 6; /* 32 ms = 2^(6-1) frames */
n = 4; /* 8 ms = 2^(4-1) frames */
break;
}
}