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authorHuang Rui <ray.huang@amd.com>2014-10-28 19:54:33 +0800
committerFelipe Balbi <balbi@ti.com>2014-11-03 10:03:38 -0600
commit14f4ac53dfb2321b07a0e690df797fba61102fa6 (patch)
tree8796f332712649c7fc6cbeb603d74748d8005fd9 /drivers/usb/dwc3/core.c
parentfb67afca177a215684d6124137f61e639c5483d4 (diff)
downloadlinux-14f4ac53dfb2321b07a0e690df797fba61102fa6.tar.bz2
usb: dwc3: add rx_detect to polling lfps quirk
This patch adds RX_DETECT to Polling.LFPS control quirk, and some special platforms can configure that if it is needed. [ balbi@ti.com : added DeviceTree binding documentation ] Signed-off-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3/core.c')
-rw-r--r--drivers/usb/dwc3/core.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 29a7da0c3178..b440b2b29872 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -389,6 +389,9 @@ static void dwc3_phy_setup(struct dwc3 *dwc)
if (dwc->lfps_filter_quirk)
reg |= DWC3_GUSB3PIPECTL_LFPSFILT;
+ if (dwc->rx_detect_poll_quirk)
+ reg |= DWC3_GUSB3PIPECTL_RX_DETOPOLL;
+
dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg);
mdelay(100);
@@ -776,6 +779,8 @@ static int dwc3_probe(struct platform_device *pdev)
"snps,del_phy_power_chg_quirk");
dwc->lfps_filter_quirk = of_property_read_bool(node,
"snps,lfps_filter_quirk");
+ dwc->rx_detect_poll_quirk = of_property_read_bool(node,
+ "snps,rx_detect_poll_quirk");
} else if (pdata) {
dwc->maximum_speed = pdata->maximum_speed;
dwc->has_lpm_erratum = pdata->has_lpm_erratum;
@@ -792,6 +797,7 @@ static int dwc3_probe(struct platform_device *pdev)
dwc->del_p1p2p3_quirk = pdata->del_p1p2p3_quirk;
dwc->del_phy_power_chg_quirk = pdata->del_phy_power_chg_quirk;
dwc->lfps_filter_quirk = pdata->lfps_filter_quirk;
+ dwc->rx_detect_poll_quirk = pdata->rx_detect_poll_quirk;
}
/* default to superspeed if no maximum_speed passed */