* [PATCH] usb: ehci-hcd: use is_timeout_non_interruptible()
@ 2015-09-09 12:56 Peter Mamonov
2015-09-10 7:17 ` Sascha Hauer
0 siblings, 1 reply; 2+ messages in thread
From: Peter Mamonov @ 2015-09-09 12:56 UTC (permalink / raw)
To: barebox, s.hauer; +Cc: Peter Mamonov
Use is_timeout_non_interruptible() intead of is_timeout()
to avoid re-entering ehci-hcd functions from pollers,
registered by usb drivers.
Signed-off-by: Peter Mamonov <pmamonov@gmail.com>
---
drivers/usb/host/ehci-hcd.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 1077ac4..7ca77bf 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -137,7 +137,7 @@ static int handshake(uint32_t *ptr, uint32_t mask, uint32_t done, int usec)
result &= mask;
if (result == done)
return 0;
- if (is_timeout(start, usec * USECOND))
+ if (is_timeout_non_interruptible(start, usec * USECOND))
return -ETIMEDOUT;
}
}
@@ -357,7 +357,7 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
do {
token = hc32_to_cpu(vtd->qt_token);
token = hc32_to_cpu(__raw_readl((void *)&vtd->qt_token));
- if (is_timeout(start, timeout_val)) {
+ if (is_timeout_non_interruptible(start, timeout_val)) {
/* Disable async schedule. */
cmd = ehci_readl(&ehci->hcor->or_usbcmd);
cmd &= ~CMD_ASE;
--
2.1.4
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2015-09-09 12:56 [PATCH] usb: ehci-hcd: use is_timeout_non_interruptible() Peter Mamonov
2015-09-10 7:17 ` Sascha Hauer
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