On Fri, 6 Nov 2015, Georgi Djakov wrote: > On 11/06/2015 08:04 AM, Andy Gross wrote: > > This patch sets the AHBMODE to allow for posted data writes. This > > results in higher performance. > > > > Signed-off-by: Andy Gross <agross@xxxxxxxxxxxxxx> > > With these patches I see significant improvement in throughput > on my db410c board. > > Tested-by: Georgi Djakov <georgi.djakov@xxxxxxxxxx> > > > --- > > drivers/usb/host/ehci-msm.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c > > index c4f84c8..c23e285 100644 > > --- a/drivers/usb/host/ehci-msm.c > > +++ b/drivers/usb/host/ehci-msm.c > > @@ -57,8 +57,8 @@ static int ehci_msm_reset(struct usb_hcd *hcd) > > > > /* bursts of unspecified length. */ > > writel(0, USB_AHBBURST); > > - /* Use the AHB transactor */ > > - writel(0, USB_AHBMODE); > > + /* Use the AHB transactor, allow posted data writes */ > > + writel(0x8, USB_AHBMODE); > > /* Disable streaming mode and select host mode */ > > writel(0x13, USB_USBMODE); Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
