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 <agr...@codeaurora.org>
With these patches I see significant improvement in throughput on my db410c board. Tested-by: Georgi Djakov <georgi.dja...@linaro.org> > --- > 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); > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
