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path: root/drivers/usb/host/ehci-sysfs.c
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Diffstat (limited to 'drivers/usb/host/ehci-sysfs.c')
-rw-r--r--drivers/usb/host/ehci-sysfs.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/usb/host/ehci-sysfs.c b/drivers/usb/host/ehci-sysfs.c
index 14ced00ba22..f6459dfb6f5 100644
--- a/drivers/usb/host/ehci-sysfs.c
+++ b/drivers/usb/host/ehci-sysfs.c
@@ -97,8 +97,7 @@ static ssize_t store_uframe_periodic_max(struct device *dev,
{
struct ehci_hcd *ehci;
unsigned uframe_periodic_max;
- unsigned frame, uframe;
- unsigned short allocated_max;
+ unsigned uframe;
unsigned long flags;
ssize_t ret;
@@ -122,16 +121,14 @@ static ssize_t store_uframe_periodic_max(struct device *dev,
/*
* for request to decrease max periodic bandwidth, we have to check
- * every microframe in the schedule to see whether the decrease is
- * possible.
+ * to see whether the decrease is possible.
*/
if (uframe_periodic_max < ehci->uframe_periodic_max) {
- allocated_max = 0;
+ u8 allocated_max = 0;
- for (frame = 0; frame < ehci->periodic_size; ++frame)
- for (uframe = 0; uframe < 7; ++uframe)
- allocated_max = max(allocated_max,
- periodic_usecs (ehci, frame, uframe));
+ for (uframe = 0; uframe < EHCI_BANDWIDTH_SIZE; ++uframe)
+ allocated_max = max(allocated_max,
+ ehci->bandwidth[uframe]);
if (allocated_max > uframe_periodic_max) {
ehci_info(ehci,