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| author | James Morris <james.l.morris@oracle.com> | 2014-11-19 21:32:12 +1100 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2014-11-19 21:32:12 +1100 |
| commit | b10778a00d40b3d9fdaaf5891e802794781ff71c (patch) | |
| tree | 6ba4cbac86eecedc3f30650e7f764ecf00c83898 /include/linux/usb/quirks.h | |
| parent | 594081ee7145cc30a3977cb4e218f81213b63dc5 (diff) | |
| parent | bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9 (diff) | |
Merge commit 'v3.17' into next
Diffstat (limited to 'include/linux/usb/quirks.h')
| -rw-r--r-- | include/linux/usb/quirks.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h index 52f944dfe2f..55a17b188da 100644 --- a/include/linux/usb/quirks.h +++ b/include/linux/usb/quirks.h @@ -30,4 +30,15 @@ descriptor */ #define USB_QUIRK_DELAY_INIT 0x00000040 +/* + * For high speed and super speed interupt endpoints, the USB 2.0 and + * USB 3.0 spec require the interval in microframes + * (1 microframe = 125 microseconds) to be calculated as + * interval = 2 ^ (bInterval-1). + * + * Devices with this quirk report their bInterval as the result of this + * calculation instead of the exponent variable used in the calculation. + */ +#define USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL 0x00000080 + #endif /* __LINUX_USB_QUIRKS_H */ |