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authorLubomir Rintel <lkundrak@v3.sk>2018-08-22 23:43:01 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-20 14:07:55 +0300
commita740f20d13b67fd4d91ede93980106f085111f10 (patch)
tree54aa6375a96902337263e41adffde91f89be8bde /drivers/usb/host
parentbd93227897007bac09c44fe67626035303905900 (diff)
downloadlinux-a740f20d13b67fd4d91ede93980106f085111f10.tar.xz
USB: EHCI: ehci-mv: use phy-pxa-usb
Use a proper PHY driver, instead of hooks to a board support package. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/ehci-mv.c44
1 files changed, 22 insertions, 22 deletions
diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c
index 705d1b43b2dd..43b300c90875 100644
--- a/drivers/usb/host/ehci-mv.c
+++ b/drivers/usb/host/ehci-mv.c
@@ -18,6 +18,9 @@
#include "ehci.h"
+/* registers */
+#define U2x_CAPREGS_OFFSET 0x100
+
#define CAPLENGTH_MASK (0xff)
#define hcd_to_ehci_hcd_mv(h) ((struct ehci_hcd_mv *)hcd_to_ehci(h)->priv)
@@ -26,13 +29,14 @@ struct ehci_hcd_mv {
/* Which mode does this ehci running OTG/Host ? */
int mode;
- void __iomem *phy_regs;
+ void __iomem *base;
void __iomem *cap_regs;
void __iomem *op_regs;
struct usb_phy *otg;
struct mv_usb_platform_data *pdata;
+ struct phy *phy;
struct clk *clk;
};
@@ -49,22 +53,13 @@ static void ehci_clock_disable(struct ehci_hcd_mv *ehci_mv)
static int mv_ehci_enable(struct ehci_hcd_mv *ehci_mv)
{
- int retval;
-
ehci_clock_enable(ehci_mv);
- if (ehci_mv->pdata->phy_init) {
- retval = ehci_mv->pdata->phy_init(ehci_mv->phy_regs);
- if (retval)
- return retval;
- }
-
- return 0;
+ return phy_init(ehci_mv->phy);
}
static void mv_ehci_disable(struct ehci_hcd_mv *ehci_mv)
{
- if (ehci_mv->pdata->phy_deinit)
- ehci_mv->pdata->phy_deinit(ehci_mv->phy_regs);
+ phy_exit(ehci_mv->phy);
ehci_clock_disable(ehci_mv);
}
@@ -121,6 +116,14 @@ static int mv_ehci_probe(struct platform_device *pdev)
ehci_mv = hcd_to_ehci_hcd_mv(hcd);
ehci_mv->pdata = pdata;
+ ehci_mv->phy = devm_phy_get(&pdev->dev, "usb");
+ if (IS_ERR(ehci_mv->phy)) {
+ retval = PTR_ERR(ehci_mv->phy);
+ if (retval != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "Failed to get phy.\n");
+ goto err_put_hcd;
+ }
+
ehci_mv->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(ehci_mv->clk)) {
dev_err(&pdev->dev, "error getting clock\n");
@@ -128,17 +131,12 @@ static int mv_ehci_probe(struct platform_device *pdev)
goto err_put_hcd;
}
- r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phyregs");
- ehci_mv->phy_regs = devm_ioremap_resource(&pdev->dev, r);
- if (IS_ERR(ehci_mv->phy_regs)) {
- retval = PTR_ERR(ehci_mv->phy_regs);
- goto err_put_hcd;
- }
- r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "capregs");
- ehci_mv->cap_regs = devm_ioremap_resource(&pdev->dev, r);
- if (IS_ERR(ehci_mv->cap_regs)) {
- retval = PTR_ERR(ehci_mv->cap_regs);
+
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ ehci_mv->base = devm_ioremap_resource(&pdev->dev, r);
+ if (IS_ERR(ehci_mv->base)) {
+ retval = PTR_ERR(ehci_mv->base);
goto err_put_hcd;
}
@@ -148,6 +146,8 @@ static int mv_ehci_probe(struct platform_device *pdev)
goto err_put_hcd;
}
+ ehci_mv->cap_regs =
+ (void __iomem *) ((unsigned long) ehci_mv->base + U2x_CAPREGS_OFFSET);
offset = readl(ehci_mv->cap_regs) & CAPLENGTH_MASK;
ehci_mv->op_regs =
(void __iomem *) ((unsigned long) ehci_mv->cap_regs + offset);