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authorMatthieu CASTET <matthieu.castet@parrot.com>2011-02-15 18:40:28 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2011-02-17 10:57:13 -0800
commitbcf40815e0cda371cecc242398fe39b873bb1047 (patch)
tree19d63e63e3b62aafa41040f7e76d1e5db6e748bd /drivers/usb
parente2904ee43c7009e6c4fc18738f15051312f22483 (diff)
downloadblackbird-op-linux-bcf40815e0cda371cecc242398fe39b873bb1047.tar.gz
blackbird-op-linux-bcf40815e0cda371cecc242398fe39b873bb1047.zip
USB: don't run ehci_reset in ehci_run for tdi device
TDI driver does the ehci_reset in their reset callback. Don't reset in ehci_run because configuration settings done in platform driver will be reset. This will allow to make msm use ehci_run. Signed-off-by: Matthieu CASTET <castet.matthieu@parrot.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/host/ehci-hcd.c7
-rw-r--r--drivers/usb/host/ehci-orion.c5
2 files changed, 9 insertions, 3 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 74dcf49bd015..4c77a818fd80 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -679,7 +679,12 @@ static int ehci_run (struct usb_hcd *hcd)
hcd->uses_new_polling = 1;
/* EHCI spec section 4.1 */
- if ((retval = ehci_reset(ehci)) != 0) {
+ /*
+ * TDI driver does the ehci_reset in their reset callback.
+ * Don't reset here, because configuration settings will
+ * vanish.
+ */
+ if (!ehci_is_TDI(ehci) && (retval = ehci_reset(ehci)) != 0) {
ehci_mem_cleanup(ehci);
return retval;
}
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index 0f87dc72820a..281e094e1c18 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -105,7 +105,8 @@ static int ehci_orion_setup(struct usb_hcd *hcd)
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
int retval;
- ehci_reset(ehci);
+ hcd->has_tt = 1;
+
retval = ehci_halt(ehci);
if (retval)
return retval;
@@ -117,7 +118,7 @@ static int ehci_orion_setup(struct usb_hcd *hcd)
if (retval)
return retval;
- hcd->has_tt = 1;
+ ehci_reset(ehci);
ehci_port_power(ehci, 0);
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