diff options
| author | Andy Gross <agross@codeaurora.org> | 2015-11-05 15:18:25 -0600 |
|---|---|---|
| committer | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2015-11-18 10:28:06 +0000 |
| commit | ccb1dd34e85cb48986c6e17420c5736b69a7463d (patch) | |
| tree | 86b338f7c292f42e5617a55d00678844df3ace1e | |
| parent | 27285d92589d563d29fe40f145fcb6081a6cfd4b (diff) | |
usb: chipidea: msm: Use posted data writes on AHB
This patch sets the AHBMODE to allow for posted data writes. This results in
higher performance.
Signed-off-by: Andy Gross <agross@codeaurora.org>
| -rw-r--r-- | drivers/usb/chipidea/ci_hdrc_msm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c index d79ecc08a1be..3889809fd0c4 100644 --- a/drivers/usb/chipidea/ci_hdrc_msm.c +++ b/drivers/usb/chipidea/ci_hdrc_msm.c @@ -25,7 +25,8 @@ static void ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event) case CI_HDRC_CONTROLLER_RESET_EVENT: dev_dbg(dev, "CI_HDRC_CONTROLLER_RESET_EVENT received\n"); writel(0, USB_AHBBURST); - writel(0, USB_AHBMODE); + /* use AHB transactor, allow posted data writes */ + writel(0x8, USB_AHBMODE); usb_phy_init(ci->usb_phy); break; case CI_HDRC_CONTROLLER_STOPPED_EVENT: |