usb: ehci: fix comment for EHCI_SHRINK_JIFFIES
EHCI_SHRINK_JIFFIES should be 5ms, which was just used originally, and not 200ms, so fix it. Signed-off-by: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -95,7 +95,7 @@ static const char hcd_name [] = "ehci_hcd";
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#define EHCI_IO_JIFFIES (HZ/10) /* io watchdog > irq_thresh */
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#define EHCI_ASYNC_JIFFIES (HZ/20) /* async idle timeout */
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#define EHCI_SHRINK_JIFFIES (DIV_ROUND_UP(HZ, 200) + 1)
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/* 200-ms async qh unlink delay */
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/* 5-ms async qh unlink delay */
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/* Initial IRQ latency: faster than hw default */
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static int log2_irq_thresh = 0; // 0 to 6
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