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authorPaul Cercueil <paul@crapouillou.net>2019-04-30 09:59:40 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-04-30 17:55:08 +0200
commitafbdbd37600b127b37ad88223ed7255fdc9fee92 (patch)
tree37cc9035d05e49021c9d6783ae0365f41e4dce52 /drivers/usb/musb
parentusb: musb: jz4740: Let the platform probe the PHY (diff)
downloadlinux-dev-afbdbd37600b127b37ad88223ed7255fdc9fee92.tar.xz
linux-dev-afbdbd37600b127b37ad88223ed7255fdc9fee92.zip
usb: musb: jz4740: obtain USB PHY from devicetree
Fall back to devm_usb_get_phy() if devicetree is not available. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/musb')
-rw-r--r--drivers/usb/musb/jz4740.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/usb/musb/jz4740.c b/drivers/usb/musb/jz4740.c
index ad35e09f90bd..5261f8dfedec 100644
--- a/drivers/usb/musb/jz4740.c
+++ b/drivers/usb/musb/jz4740.c
@@ -74,9 +74,14 @@ static struct musb_hdrc_platform_data jz4740_musb_platform_data = {
static int jz4740_musb_init(struct musb *musb)
{
- musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2);
+ struct device *dev = musb->controller->parent;
+
+ if (dev->of_node)
+ musb->xceiv = devm_usb_get_phy_by_phandle(dev, "phys", 0);
+ else
+ musb->xceiv = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
if (IS_ERR(musb->xceiv)) {
- pr_err("HS UDC: no transceiver configured\n");
+ dev_err(dev, "No transceiver configured\n");
return PTR_ERR(musb->xceiv);
}
@@ -90,13 +95,6 @@ static int jz4740_musb_init(struct musb *musb)
return 0;
}
-static int jz4740_musb_exit(struct musb *musb)
-{
- usb_put_phy(musb->xceiv);
-
- return 0;
-}
-
/*
* DMA has not been confirmed to work with CONFIG_USB_INVENTRA_DMA,
* so let's not set up the dma function pointers yet.
@@ -105,7 +103,6 @@ static const struct musb_platform_ops jz4740_musb_ops = {
.quirks = MUSB_DMA_INVENTRA | MUSB_INDEXED_EP,
.fifo_mode = 2,
.init = jz4740_musb_init,
- .exit = jz4740_musb_exit,
};
static int jz4740_probe(struct platform_device *pdev)