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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>
hifive-unleashed-5.1
Matthieu CASTET 2011-02-15 18:40:28 +01:00 committed by Greg Kroah-Hartman
parent e2904ee43c
commit bcf40815e0
2 changed files with 9 additions and 3 deletions
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7
drivers/usb/host/ehci-hcd.c
View File

@ -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;
}

5
drivers/usb/host/ehci-orion.c
View File

@ -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);