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authorGreg Kroah-Hartman <gregkh@suse.de>2008-05-29 19:43:27 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2008-05-29 19:43:27 -0700
commitbb7e6984ecaebe6989d0e781e303469255871432 (patch)
treea3a835653645c346c0f45e312f83f8beadc512dd /drivers/usb/host/ehci-hcd.c
parent185e3dead35dacb79c8cca1073fd67a26d09a0d7 (diff)
Revert "USB: EHCI: fix performance regression"
This reverts commit fa38dfcc56b5f6cce787f9aaa5d1830509213802. It wasn't really a regression and David and Alan are still working through the issues reported. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
-rw-r--r--drivers/usb/host/ehci-hcd.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 3e3c5d3ea0ad..369a8a5ea7bb 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -84,8 +84,7 @@ static const char hcd_name [] = "ehci_hcd";
#define EHCI_IAA_MSECS 10 /* arbitrary */
#define EHCI_IO_JIFFIES (HZ/10) /* io watchdog > irq_thresh */
#define EHCI_ASYNC_JIFFIES (HZ/20) /* async idle timeout */
-#define EHCI_SHRINK_JIFFIES (HZ/100) /* async qh unlink delay */
-#define EHCI_SHRINK_UFRAMES (10*8) /* same value in uframes */
+#define EHCI_SHRINK_JIFFIES (HZ/200) /* async qh unlink delay */
/* Initial IRQ latency: faster than hw default */
static int log2_irq_thresh = 0; // 0 to 6