| Message ID | 1413536021-4886-16-git-send-email-ray.huang@amd.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
HI, On Fri, Oct 17, 2014 at 04:53:40PM +0800, Huang Rui wrote: > AMD NL needs to enable Tx Deemphasis quirk. > > Signed-off-by: Huang Rui <ray.huang@amd.com> > --- > drivers/usb/dwc3/core.c | 3 +++ > drivers/usb/dwc3/core.h | 2 ++ > drivers/usb/dwc3/dwc3-pci.c | 3 ++- > drivers/usb/dwc3/platform_data.h | 1 + > 4 files changed, 8 insertions(+), 1 deletion(-) > > diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c > index f3c9699..3ccfe41 100644 > --- a/drivers/usb/dwc3/core.c > +++ b/drivers/usb/dwc3/core.c > @@ -392,6 +392,9 @@ static void dwc3_phy_setup(struct dwc3 *dwc) > if (dwc->quirks & DWC3_QUIRK_RX_DETOPOLL) > reg |= DWC3_GUSB3PIPECTL_RX_DETOPOLL; > > + if (dwc->quirks & DWC3_QUIRK_TX_DEEPH) if (dwc->tx_deemphasis_quirk) > diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c > index 6f789fd..146eb2f 100644 > --- a/drivers/usb/dwc3/dwc3-pci.c > +++ b/drivers/usb/dwc3/dwc3-pci.c > @@ -156,7 +156,8 @@ static int dwc3_pci_probe(struct pci_dev *pci, > | DWC3_QUIRK_DEPP1P2P3 > | DWC3_QUIRK_DEPOCHANGE > | DWC3_QUIRK_LFPSFILT > - | DWC3_QUIRK_RX_DETOPOLL; > + | DWC3_QUIRK_RX_DETOPOLL > + | DWC3_QUIRK_TX_DEEPH; last patch.
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index f3c9699..3ccfe41 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -392,6 +392,9 @@ static void dwc3_phy_setup(struct dwc3 *dwc) if (dwc->quirks & DWC3_QUIRK_RX_DETOPOLL) reg |= DWC3_GUSB3PIPECTL_RX_DETOPOLL; + if (dwc->quirks & DWC3_QUIRK_TX_DEEPH) + reg |= DWC3_GUSB3PIPECTL_TX_DEEPH(1); + 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 1952759..1b137f4 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -184,6 +184,8 @@ #define DWC3_GUSB3PIPECTL_SUSPHY (1 << 17) #define DWC3_GUSB3PIPECTL_LFPSFILT (1 << 9) #define DWC3_GUSB3PIPECTL_RX_DETOPOLL (1 << 8) +#define DWC3_GUSB3PIPECTL_TX_DEEPH_MASK DWC3_GUSB3PIPECTL_TX_DEEPH(3) +#define DWC3_GUSB3PIPECTL_TX_DEEPH(n) ((n) << 1) /* 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 6f789fd..146eb2f 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -156,7 +156,8 @@ static int dwc3_pci_probe(struct pci_dev *pci, | DWC3_QUIRK_DEPP1P2P3 | DWC3_QUIRK_DEPOCHANGE | DWC3_QUIRK_LFPSFILT - | DWC3_QUIRK_RX_DETOPOLL; + | DWC3_QUIRK_RX_DETOPOLL + | DWC3_QUIRK_TX_DEEPH; } 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 5df3419..54f0e45 100644 --- a/drivers/usb/dwc3/platform_data.h +++ b/drivers/usb/dwc3/platform_data.h @@ -37,5 +37,6 @@ struct dwc3_platform_data { #define DWC3_QUIRK_DEPOCHANGE (1 << 6) #define DWC3_QUIRK_LFPSFILT (1 << 7) #define DWC3_QUIRK_RX_DETOPOLL (1 << 8) +#define DWC3_QUIRK_TX_DEEPH (1 << 9) };
AMD NL needs to enable Tx Deemphasis quirk. Signed-off-by: Huang Rui <ray.huang@amd.com> --- drivers/usb/dwc3/core.c | 3 +++ drivers/usb/dwc3/core.h | 2 ++ drivers/usb/dwc3/dwc3-pci.c | 3 ++- drivers/usb/dwc3/platform_data.h | 1 + 4 files changed, 8 insertions(+), 1 deletion(-)