diff options
Diffstat (limited to 'target/linux/sunxi/patches-3.13/180-4-usb-ehci-platform-support-bigendian.patch')
| -rw-r--r-- | target/linux/sunxi/patches-3.13/180-4-usb-ehci-platform-support-bigendian.patch | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/target/linux/sunxi/patches-3.13/180-4-usb-ehci-platform-support-bigendian.patch b/target/linux/sunxi/patches-3.13/180-4-usb-ehci-platform-support-bigendian.patch new file mode 100644 index 0000000000..5f7043401d --- /dev/null +++ b/target/linux/sunxi/patches-3.13/180-4-usb-ehci-platform-support-bigendian.patch @@ -0,0 +1,77 @@ +From 57b5e74a0d7ba5dbf77ee05a2693635faba5fe30 Mon Sep 17 00:00:00 2001 +From: Hans de Goede <hdegoede@redhat.com> +Date: Tue, 21 Jan 2014 16:20:53 +0100 +Subject: [PATCH] ehci-platform: Add support for controllers with big-endian + regs / descriptors + +This uses the already documented devicetree booleans for this, see: +Documentation/devicetree/bindings/usb/usb-ehci.txt + +Signed-off-by: Hans de Goede <hdegoede@redhat.com> +--- + drivers/usb/host/ehci-platform.c | 33 +++++++++++++++++++++++++++++++-- + 1 file changed, 31 insertions(+), 2 deletions(-) + +diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c +index 5ebd0b7..8fde649 100644 +--- a/drivers/usb/host/ehci-platform.c ++++ b/drivers/usb/host/ehci-platform.c +@@ -55,8 +55,10 @@ static int ehci_platform_reset(struct usb_hcd *hcd) + + hcd->has_tt = pdata->has_tt; + ehci->has_synopsys_hc_bug = pdata->has_synopsys_hc_bug; +- ehci->big_endian_desc = pdata->big_endian_desc; +- ehci->big_endian_mmio = pdata->big_endian_mmio; ++ if (pdata->big_endian_desc) ++ ehci->big_endian_desc = 1; ++ if (pdata->big_endian_mmio) ++ ehci->big_endian_mmio = 1; + ehci->ignore_oc = pdata->ignore_oc; + + if (pdata->pre_setup) { +@@ -142,6 +144,7 @@ static int ehci_platform_probe(struct platform_device *dev) + struct resource *res_mem; + struct usb_ehci_pdata *pdata = dev_get_platdata(&dev->dev); + struct ehci_platform_priv *priv; ++ struct ehci_hcd *ehci; + int err, irq, clk = 0; + + if (usb_disabled()) +@@ -177,8 +180,34 @@ static int ehci_platform_probe(struct platform_device *dev) + platform_set_drvdata(dev, hcd); + dev->dev.platform_data = pdata; + priv = hcd_to_ehci_priv(hcd); ++ ehci = hcd_to_ehci(hcd); + + if (pdata == &ehci_platform_defaults && dev->dev.of_node) { ++ if (of_property_read_bool(dev->dev.of_node, "big-endian-regs")) ++ ehci->big_endian_mmio = 1; ++ ++ if (of_property_read_bool(dev->dev.of_node, "big-endian-desc")) ++ ehci->big_endian_desc = 1; ++ ++ if (of_property_read_bool(dev->dev.of_node, "big-endian")) ++ ehci->big_endian_mmio = ehci->big_endian_desc = 1; ++ ++#ifndef CONFIG_USB_EHCI_BIG_ENDIAN_MMIO ++ if (ehci->big_endian_mmio) { ++ dev_err(&dev->dev, ++ "Error big-endian-regs not compiled in\n"); ++ err = -EINVAL; ++ goto err_put_hcd; ++ } ++#endif ++#ifndef CONFIG_USB_EHCI_BIG_ENDIAN_DESC ++ if (ehci->big_endian_desc) { ++ dev_err(&dev->dev, ++ "Error big-endian-desc not compiled in\n"); ++ err = -EINVAL; ++ goto err_put_hcd; ++ } ++#endif + priv->phy = devm_phy_get(&dev->dev, "usb"); + if (IS_ERR(priv->phy)) { + err = PTR_ERR(priv->phy); +-- +1.8.5.5 + |