From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 1/3] Modified timeout in the ehci-hcd USB host driver.
Date: Fri, 23 Sep 2011 08:57:44 +0200 [thread overview]
Message-ID: <1316761066-29811-2-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1316761066-29811-1-git-send-email-s.hauer@pengutronix.de>
From: Rosen Kolev <rosen.kolev@amk-drives.bg>
Increased the asynchronous message timeout for bulk endpoints.
---
drivers/usb/host/ehci-hcd.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 60fc181..e092b8d 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -298,7 +298,7 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
uint32_t c, toggle;
uint32_t cmd;
int ret = 0;
- uint64_t start;
+ uint64_t start, timeout_val;
static struct QH __qh __attribute__((aligned(32)));
static struct qTD __td[3] __attribute__((aligned(32)));
@@ -415,13 +415,14 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
}
/* Wait for TDs to be processed. */
+ timeout_val = usb_pipebulk(pipe) ? (SECOND << 2) : (SECOND >> 2);
start = get_time_ns();
vtd = td;
do {
/* Invalidate dcache */
ehci_invalidate_dcache(ehci->qh_list);
token = hc32_to_cpu(vtd->qt_token);
- if (is_timeout(start, SECOND >> 2)) {
+ if (is_timeout(start, timeout_val)) {
/* Disable async schedule. */
cmd = ehci_readl(&ehci->hcor->or_usbcmd);
cmd &= ~CMD_ASE;
--
1.7.2.3
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next prev parent reply other threads:[~2011-09-23 6:57 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-23 6:57 USB mass storage support Sascha Hauer
2011-09-23 6:57 ` Sascha Hauer [this message]
2011-09-23 6:57 ` [PATCH 2/3] Extended USB device matching Sascha Hauer
2011-09-23 6:57 ` [PATCH 3/3] USB mass storage device driver initial implementation Sascha Hauer
2011-09-23 7:10 ` USB mass storage support Robert Schwebel
2011-09-28 7:15 ` Sascha Hauer
2011-09-29 13:50 ` Antony Pavlov
2011-09-29 15:26 ` Rosen Kolev
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