[PATCH v2 14/16] usb: dwc3: enable rx_detect to polling lfps quirk

Huang Rui
2014-10-17T09:16:22Z

AMD NL needs to enable RX_DETECT to Polling.LFPS control quirk.

Signed-off-by: Huang Rui <ray.huang@amd.com>
---
drivers/usb/dwc3/core.c | 3 +++
drivers/usb/dwc3/core.h | 1 +
drivers/usb/dwc3/dwc3-pci.c | 3 ++-
drivers/usb/dwc3/platform_data.h | 1 +
4 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index a1ee586..f3c9699 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->quirks & DWC3_QUIRK_LFPSFILT)
reg |= DWC3_GUSB3PIPECTL_LFPSFILT;

+ if (dwc->quirks & DWC3_QUIRK_RX_DETOPOLL)
+ reg |= DWC3_GUSB3PIPECTL_RX_DETOPOLL;
+
dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg);

mdelay(100);
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 5bdd5f5..1952759 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -183,6 +183,7 @@
#define DWC3_GUSB3PIPECTL_DEPOCHANGE (1 << 18)
#define DWC3_GUSB3PIPECTL_SUSPHY (1 << 17)
#define DWC3_GUSB3PIPECTL_LFPSFILT (1 << 9)
+#define DWC3_GUSB3PIPECTL_RX_DETOPOLL (1 << 8)

/* Global TX Fifo Size Register */
#define DWC3_GTXFIFOSIZ_TXFDEF(n) ((n) & 0xffff)
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index d1f0901..6f789fd 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -155,7 +155,8 @@ static int dwc3_pci_probe(struct pci_dev *pci,
| DWC3_QUIRK_REQP1P2P3
| DWC3_QUIRK_DEPP1P2P3
| DWC3_QUIRK_DEPOCHANGE
- | DWC3_QUIRK_LFPSFILT;
+ | DWC3_QUIRK_LFPSFILT
+ | DWC3_QUIRK_RX_DETOPOLL;
}

ret = platform_device_add_resources(dwc3, res, ARRAY_SIZE(res));
diff --git a/drivers/usb/dwc3/platform_data.h b/drivers/usb/dwc3/platform_data.h
index ac7860ab..5df3419 100644
--- a/drivers/usb/dwc3/platform_data.h
+++ b/drivers/usb/dwc3/platform_data.h
@@ -36,5 +36,6 @@ struct dwc3_platform_data {
#define DWC3_QUIRK_DEPP1P2P3 (1 << 5)
#define DWC3_QUIRK_DEPOCHANGE (1 << 6)
#define DWC3_QUIRK_LFPSFILT (1 << 7)
+#define DWC3_QUIRK_RX_DETOPOLL (1 << 8)

};
--
1.9.1