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| author | Dave Kleikamp <shaggy@austin.ibm.com> | 2005-08-04 15:56:15 -0500 |
|---|---|---|
| committer | Dave Kleikamp <shaggy@austin.ibm.com> | 2005-08-04 15:56:15 -0500 |
| commit | a5c96cab8f3c4ca9b2177dceb5de5a0edb31418e (patch) | |
| tree | 45692a1b3d770f721f4586ad81c206f1b8509b75 /drivers/usb/core/hcd.h | |
| parent | 30db1ae8640d3527ca7ac8df4bcbf14ccc6ae9cd (diff) | |
| parent | 1c5ad84516ae7ea4ec868436a910a6bd8d20215a (diff) | |
| download | kernel_samsung_crespo-a5c96cab8f3c4ca9b2177dceb5de5a0edb31418e.zip kernel_samsung_crespo-a5c96cab8f3c4ca9b2177dceb5de5a0edb31418e.tar.gz kernel_samsung_crespo-a5c96cab8f3c4ca9b2177dceb5de5a0edb31418e.tar.bz2 | |
Merge with /home/shaggy/git/linus-clean/
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Diffstat (limited to 'drivers/usb/core/hcd.h')
| -rw-r--r-- | drivers/usb/core/hcd.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h index 67db4a9..28055f9 100644 --- a/drivers/usb/core/hcd.h +++ b/drivers/usb/core/hcd.h @@ -334,17 +334,19 @@ extern void usb_release_bandwidth (struct usb_device *dev, struct urb *urb, extern int usb_check_bandwidth (struct usb_device *dev, struct urb *urb); /* - * Ceiling microseconds (typical) for that many bytes at high speed + * Ceiling [nano/micro]seconds (typical) for that many bytes at high speed * ISO is a bit less, no ACK ... from USB 2.0 spec, 5.11.3 (and needed * to preallocate bandwidth) */ #define USB2_HOST_DELAY 5 /* nsec, guess */ -#define HS_USECS(bytes) NS_TO_US ( ((55 * 8 * 2083)/1000) \ +#define HS_NSECS(bytes) ( ((55 * 8 * 2083)/1000) \ + ((2083UL * (3167 + BitTime (bytes)))/1000) \ + USB2_HOST_DELAY) -#define HS_USECS_ISO(bytes) NS_TO_US ( ((38 * 8 * 2083)/1000) \ +#define HS_NSECS_ISO(bytes) ( ((38 * 8 * 2083)/1000) \ + ((2083UL * (3167 + BitTime (bytes)))/1000) \ + USB2_HOST_DELAY) +#define HS_USECS(bytes) NS_TO_US (HS_NSECS(bytes)) +#define HS_USECS_ISO(bytes) NS_TO_US (HS_NSECS_ISO(bytes)) extern long usb_calc_bus_time (int speed, int is_input, int isoc, int bytecount); |