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authorLinus Torvalds <torvalds@linux-foundation.org>2013-02-22 00:20:00 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-22 00:20:00 +0400
commit74e1a2a39355b2d3ae8c60c78d8add162c6d7183 (patch)
tree1ce09f285c505a774838a95cff7327a750dc85fc /drivers/usb/otg/mxs-phy.c
parentb5c78e04dd061b776978dad61dd85357081147b0 (diff)
parent6166805c3de539a41cfcae39026c5bc273d7c6aa (diff)
downloadlinux-74e1a2a39355b2d3ae8c60c78d8add162c6d7183.tar.xz
Merge tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg Kroah-Hartman: "Here's the big USB merge for 3.9-rc1 Nothing major, lots of gadget fixes, and of course, xhci stuff. All of this has been in linux-next for a while, with the exception of the last 3 patches, which were reverts of patches in the tree that caused problems, they went in yesterday." * tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (190 commits) Revert "USB: EHCI: make ehci-vt8500 a separate driver" Revert "USB: EHCI: make ehci-orion a separate driver" Revert "USB: update host controller Kconfig entries" USB: update host controller Kconfig entries USB: EHCI: make ehci-orion a separate driver USB: EHCI: make ehci-vt8500 a separate driver USB: usb-storage: unusual_devs update for Super TOP SATA bridge USB: ehci-omap: Fix autoloading of module USB: ehci-omap: Don't free gpios that we didn't request USB: option: add Huawei "ACM" devices using protocol = vendor USB: serial: fix null-pointer dereferences on disconnect USB: option: add Yota / Megafon M100-1 4g modem drivers/usb: add missing GENERIC_HARDIRQS dependencies USB: storage: properly handle the endian issues of idProduct testusb: remove all mentions of 'usbfs' usb: gadget: imx_udc: make it depend on BROKEN usb: omap_control_usb: fix compile warning ARM: OMAP: USB: Add phy binding information ARM: OMAP2: MUSB: Specify omap4 has mailbox ARM: OMAP: devices: create device for usb part of control module ...
Diffstat (limited to 'drivers/usb/otg/mxs-phy.c')
-rw-r--r--drivers/usb/otg/mxs-phy.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/usb/otg/mxs-phy.c b/drivers/usb/otg/mxs-phy.c
index 60df28a294b7..b0d9f119c749 100644
--- a/drivers/usb/otg/mxs-phy.c
+++ b/drivers/usb/otg/mxs-phy.c
@@ -76,6 +76,25 @@ static void mxs_phy_shutdown(struct usb_phy *phy)
clk_disable_unprepare(mxs_phy->clk);
}
+static int mxs_phy_suspend(struct usb_phy *x, int suspend)
+{
+ struct mxs_phy *mxs_phy = to_mxs_phy(x);
+
+ if (suspend) {
+ writel_relaxed(0xffffffff, x->io_priv + HW_USBPHY_PWD);
+ writel_relaxed(BM_USBPHY_CTRL_CLKGATE,
+ x->io_priv + HW_USBPHY_CTRL_SET);
+ clk_disable_unprepare(mxs_phy->clk);
+ } else {
+ clk_prepare_enable(mxs_phy->clk);
+ writel_relaxed(BM_USBPHY_CTRL_CLKGATE,
+ x->io_priv + HW_USBPHY_CTRL_CLR);
+ writel_relaxed(0, x->io_priv + HW_USBPHY_PWD);
+ }
+
+ return 0;
+}
+
static int mxs_phy_on_connect(struct usb_phy *phy,
enum usb_device_speed speed)
{
@@ -137,6 +156,7 @@ static int mxs_phy_probe(struct platform_device *pdev)
mxs_phy->phy.label = DRIVER_NAME;
mxs_phy->phy.init = mxs_phy_init;
mxs_phy->phy.shutdown = mxs_phy_shutdown;
+ mxs_phy->phy.set_suspend = mxs_phy_suspend;
mxs_phy->phy.notify_connect = mxs_phy_on_connect;
mxs_phy->phy.notify_disconnect = mxs_phy_on_disconnect;