redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

usb: host: ehci-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>
Tested-by: Georgi Djakov <georgi.djakov@linaro.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Andy Gross 2015-11-06 00:04:07 -06:00 committed by Greg Kroah-Hartman
parent 5ce7d27d5c
commit c56a2b2bc6
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/usb/host/ehci-msm.c
View File

@ -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);