The new PHY wrapper is now wired up in the core HCD code. This means
that PHYs are now controlled (initialized, enabled, disabled, exited)
without requiring any host-driver specific code.
Remove the custom USB PHY handling from the ehci-platform driver as the
core HCD code now handles this.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/host/ehci-platform.c | 55 +++-------------------------------------
1 file changed, 4 insertions(+), 51 deletions(-)
diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index 40fbc4925378..4c306fb6b069 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -27,7 +27,6 @@
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of.h>
-#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/reset.h>
#include <linux/usb.h>
@@ -44,8 +43,6 @@
struct ehci_platform_priv {
struct clk *clks[EHCI_MAX_CLKS];
struct reset_control *rsts;
- struct phy **phys;
- int num_phys;
bool reset_on_resume;
};
@@ -80,7 +77,7 @@ static int ehci_platform_power_on(struct platform_device *dev)
{
struct usb_hcd *hcd = platform_get_drvdata(dev);
struct ehci_platform_priv *priv = hcd_to_ehci_priv(hcd);
- int clk, ret, phy_num;
+ int clk, ret;
for (clk = 0; clk < EHCI_MAX_CLKS && priv->clks[clk]; clk++) {
ret = clk_prepare_enable(priv->clks[clk]);
@@ -88,24 +85,8 @@ static int ehci_platform_power_on(struct platform_device *dev)
goto err_disable_clks;
}
- for (phy_num = 0; phy_num < priv->num_phys; phy_num++) {
- ret = phy_init(priv->phys[phy_num]);
- if (ret)
- goto err_exit_phy;
- ret = phy_power_on(priv->phys[phy_num]);
- if (ret) {
- phy_exit(priv->phys[phy_num]);
- goto err_exit_phy;
- }
- }
-
return 0;
-err_exit_phy:
- while (--phy_num >= 0) {
- phy_power_off(priv->phys[phy_num]);
- phy_exit(priv->phys[phy_num]);
- }
err_disable_clks:
while (--clk >= 0)
clk_disable_unprepare(priv->clks[clk]);
@@ -117,12 +98,7 @@ static void ehci_platform_power_off(struct platform_device *dev)
{
struct usb_hcd *hcd = platform_get_drvdata(dev);
struct ehci_platform_priv *priv = hcd_to_ehci_priv(hcd);
- int clk, phy_num;
-
- for (phy_num = 0; phy_num < priv->num_phys; phy_num++) {
- phy_power_off(priv->phys[phy_num]);
- phy_exit(priv->phys[phy_num]);
- }
+ int clk;
for (clk = EHCI_MAX_CLKS - 1; clk >= 0; clk--)
if (priv->clks[clk])
@@ -149,7 +125,7 @@ static int ehci_platform_probe(struct platform_device *dev)
struct usb_ehci_pdata *pdata = dev_get_platdata(&dev->dev);
struct ehci_platform_priv *priv;
struct ehci_hcd *ehci;
- int err, irq, phy_num, clk = 0;
+ int err, irq, clk = 0;
if (usb_disabled())
return -ENODEV;
@@ -202,29 +178,6 @@ static int ehci_platform_probe(struct platform_device *dev)
"has-transaction-translator"))
hcd->has_tt = 1;
- priv->num_phys = of_count_phandle_with_args(dev->dev.of_node,
- "phys", "#phy-cells");
-
- if (priv->num_phys > 0) {
- priv->phys = devm_kcalloc(&dev->dev, priv->num_phys,
- sizeof(struct phy *), GFP_KERNEL);
- if (!priv->phys)
- return -ENOMEM;
- } else
- priv->num_phys = 0;
-
- for (phy_num = 0; phy_num < priv->num_phys; phy_num++) {
- priv->phys[phy_num] = devm_of_phy_get_by_index(
- &dev->dev, dev->dev.of_node, phy_num);
- if (IS_ERR(priv->phys[phy_num])) {
- err = PTR_ERR(priv->phys[phy_num]);
- goto err_put_hcd;
- } else {
- /* Avoiding phy_get() in usb_add_hcd() */
- hcd->skip_phy_initialization = true;
- }
- }
-
for (clk = 0; clk < EHCI_MAX_CLKS; clk++) {
priv->clks[clk] = of_clk_get(dev->dev.of_node, clk);
if (IS_ERR(priv->clks[clk])) {
@@ -306,7 +259,7 @@ static int ehci_platform_probe(struct platform_device *dev)
err_put_clks:
while (--clk >= 0)
clk_put(priv->clks[clk]);
-err_put_hcd:
+
if (pdata == &ehci_platform_defaults)
dev->dev.platform_data = NULL;
--
2.16.1
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
