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usb: chipidea: msm: Rely on core to override AHBBURST 

The core framework already handles setting this parameter with a
platform quirk. Add the appropriate flag so that we always set
AHBBURST to 0. Technically DT should be doing this, but we always
do it for msm chipidea devices so setting the flag in the driver
works just as well. If the burst needs to be anything besides 0,
we expect the 'ahb-burst-config' dts property to be present.

Acked-by: Peter Chen <peter.chen@nxp.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
This commit is contained in:
Stephen Boyd 2016-12-28 14:56:59 -08:00 committed by Peter Chen
parent 2c8ea46d3e
commit dd3749099c
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/chipidea/ci_hdrc_msm.c
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@ -24,7 +24,6 @@ static void ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event)
switch (event) { switch (event) {
case CI_HDRC_CONTROLLER_RESET_EVENT: case CI_HDRC_CONTROLLER_RESET_EVENT:
dev_dbg(dev, "CI_HDRC_CONTROLLER_RESET_EVENT received\n"); dev_dbg(dev, "CI_HDRC_CONTROLLER_RESET_EVENT received\n");
writel(0, USB_AHBBURST);
/* use AHB transactor, allow posted data writes */ /* use AHB transactor, allow posted data writes */
writel(0x8, USB_AHBMODE); writel(0x8, USB_AHBMODE);
usb_phy_init(ci->usb_phy); usb_phy_init(ci->usb_phy);
@ -47,7 +46,8 @@ static struct ci_hdrc_platform_data ci_hdrc_msm_platdata = {
.name = "ci_hdrc_msm", .name = "ci_hdrc_msm",
.capoffset = DEF_CAPOFFSET, .capoffset = DEF_CAPOFFSET,
.flags = CI_HDRC_REGS_SHARED | .flags = CI_HDRC_REGS_SHARED |
CI_HDRC_DISABLE_STREAMING, CI_HDRC_DISABLE_STREAMING |
CI_HDRC_OVERRIDE_AHB_BURST,
.notify_event = ci_hdrc_msm_notify_event, .notify_event = ci_hdrc_msm_notify_event,
}; };