Hi Michael,
On 07/29/2014 02:01 AM, Michael Welling wrote:
> single-ulpi-bypass is a flag used for older OMAP3 silicon.
>
> The flag when set, can excite code that improperly uses the
> OMAP_UHH_HOSTCONFIG_UPLI_BYPASS define to clear the corresponding bit.
> Instead it clears all of the other bits disabling all of the ports in
> the process.
>
> Signed-off-by: Michael Welling <mwelling@xxxxxxxxxxx>
> ---
> drivers/mfd/omap-usb-host.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
> index b48d80c..33a9234 100644
> --- a/drivers/mfd/omap-usb-host.c
> +++ b/drivers/mfd/omap-usb-host.c
> @@ -445,7 +445,7 @@ static unsigned omap_usbhs_rev1_hostconfig(struct usbhs_hcd_omap *omap,
>
> for (i = 0; i < omap->nports; i++) {
> if (is_ehci_phy_mode(pdata->port_mode[i])) {
> - reg &= OMAP_UHH_HOSTCONFIG_ULPI_BYPASS;
> + reg &= ~OMAP_UHH_HOSTCONFIG_ULPI_BYPASS;
> break;
> }
> }
>
Acked-by: Roger Quadros <rogerq@xxxxxx>
Good catch!
It seems the regression was introduced by commit c4df00aed9e2 in v3.9.
Could you please cc this patch to stable@xxxxxxxxxxxxxxx
cheers,
-roger
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