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authorImre Kaloz <kaloz@openwrt.org>2015-05-08 12:12:20 +0000
committerImre Kaloz <kaloz@openwrt.org>2015-05-08 12:12:20 +0000
commitda82db150179dbb5a403b5fd88741f309b03b01c (patch)
tree44a47ae9e3a492d9fb11710aeca814ec33dc820a /target/linux/mvebu/patches-3.18
parent56a530ab1918673bc02d7543dcbd23551d8f5751 (diff)
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mvebu: add xhci phy support
Signed-off-by: Imre Kaloz <kaloz@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@45629 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/mvebu/patches-3.18')
-rw-r--r--target/linux/mvebu/patches-3.18/700-usb_xhci_plat_phy_support.patch47
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-3.18/700-usb_xhci_plat_phy_support.patch b/target/linux/mvebu/patches-3.18/700-usb_xhci_plat_phy_support.patch
new file mode 100644
index 0000000000..3ee9f5c990
--- /dev/null
+++ b/target/linux/mvebu/patches-3.18/700-usb_xhci_plat_phy_support.patch
@@ -0,0 +1,47 @@
+--- a/drivers/usb/host/xhci-plat.c
++++ b/drivers/usb/host/xhci-plat.c
+@@ -16,6 +16,7 @@
+ #include <linux/module.h>
+ #include <linux/of.h>
+ #include <linux/platform_device.h>
++#include <linux/usb/phy.h>
+ #include <linux/slab.h>
+ #include <linux/usb/xhci_pdriver.h>
+
+@@ -158,12 +159,27 @@ static int xhci_plat_probe(struct platfo
+ if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
+ xhci->shared_hcd->can_do_streams = 1;
+
++ hcd->usb_phy = devm_usb_get_phy_by_phandle(&pdev->dev, "usb-phy", 0);
++ if (IS_ERR(hcd->usb_phy)) {
++ ret = PTR_ERR(hcd->usb_phy);
++ if (ret == -EPROBE_DEFER)
++ goto put_usb3_hcd;
++ hcd->usb_phy = NULL;
++ } else {
++ ret = usb_phy_init(hcd->usb_phy);
++ if (ret)
++ goto put_usb3_hcd;
++ }
++
+ ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);
+ if (ret)
+- goto put_usb3_hcd;
++ goto disable_usb_phy;
+
+ return 0;
+
++disable_usb_phy:
++ usb_phy_shutdown(hcd->usb_phy);
++
+ put_usb3_hcd:
+ usb_put_hcd(xhci->shared_hcd);
+
+@@ -187,6 +203,7 @@ static int xhci_plat_remove(struct platf
+ struct clk *clk = xhci->clk;
+
+ usb_remove_hcd(xhci->shared_hcd);
++ usb_phy_shutdown(hcd->usb_phy);
+ usb_put_hcd(xhci->shared_hcd);
+
+ usb_remove_hcd(hcd);