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authorArnd Bergmann <arnd@arndb.de>2012-05-02 17:20:03 +0200
committerArnd Bergmann <arnd@arndb.de>2012-05-02 17:21:21 +0200
commit87c35c56f4beed9e43bd41427643215655a31c3d (patch)
treea4a29370bbb16ecf1864751def0a9b7ad0629476 /drivers/usb/host/ehci-hcd.c
parentd1ef5bd711b6b01e6a73cf186245d19939882706 (diff)
parentee9581d7adaeb2d04b01e3567e2355ceb5f43ad1 (diff)
Merge branch 'ux500-u9540-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/newsoc
From: Linus Walleij <linus.walleij@linaro.org>: Core support for the U9540 after finalized review * 'ux500-u9540-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson: (2 commits) ARM: ux500: ioremap differences for DB9540 ARM: ux500: core U9540 support Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
-rw-r--r--drivers/usb/host/ehci-hcd.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 806cc95317aa..4a3bc5b7a06f 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -858,8 +858,13 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
goto dead;
}
+ /*
+ * We don't use STS_FLR, but some controllers don't like it to
+ * remain on, so mask it out along with the other status bits.
+ */
+ masked_status = status & (INTR_MASK | STS_FLR);
+
/* Shared IRQ? */
- masked_status = status & INTR_MASK;
if (!masked_status || unlikely(ehci->rh_state == EHCI_RH_HALTED)) {
spin_unlock(&ehci->lock);
return IRQ_NONE;
@@ -910,7 +915,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
pcd_status = status;
/* resume root hub? */
- if (!(cmd & CMD_RUN))
+ if (ehci->rh_state == EHCI_RH_SUSPENDED)
usb_hcd_resume_root_hub(hcd);
/* get per-port change detect bits */