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[DEBUG] add stupid prints to xusb

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This commit is contained in:
Thomas Makin
2025-11-07 05:46:51 +00:00
parent c1ee39366e
commit a78a344fd0
1 changed files with 18 additions and 0 deletions
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18
drivers/phy/tegra/xusb.c
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@@ -564,6 +564,7 @@ static int tegra_xusb_port_init(struct tegra_xusb_port *port,
if (err < 0) if (err < 0)
goto put_device; goto put_device;
printk("init done!\n");
return 0; return 0;
put_device: put_device:
@@ -799,24 +800,31 @@ static int tegra_xusb_add_usb2_port(struct tegra_xusb_padctl *padctl,
struct device_node *np; struct device_node *np;
int err = 0; int err = 0;
printk("adding usb2 port");
/* /*
* USB2 ports don't require additional properties, but if the port is * USB2 ports don't require additional properties, but if the port is
* marked as disabled there is no reason to register it. * marked as disabled there is no reason to register it.
*/ */
printk("find port node");
np = tegra_xusb_find_port_node(padctl, "usb2", index); np = tegra_xusb_find_port_node(padctl, "usb2", index);
if (!np || !of_device_is_available(np)) if (!np || !of_device_is_available(np))
goto out; goto out;
printk("kzalloc");
usb2 = kzalloc(sizeof(*usb2), GFP_KERNEL); usb2 = kzalloc(sizeof(*usb2), GFP_KERNEL);
if (!usb2) { if (!usb2) {
err = -ENOMEM; err = -ENOMEM;
goto out; goto out;
} }
printk("init usb2 xusb port");
err = tegra_xusb_port_init(&usb2->base, padctl, np, "usb2", index); err = tegra_xusb_port_init(&usb2->base, padctl, np, "usb2", index);
if (err < 0) if (err < 0)
goto out; goto out;
printk("set usb2 ops");
usb2->base.ops = padctl->soc->ports.usb2.ops; usb2->base.ops = padctl->soc->ports.usb2.ops;
usb2->base.lane = usb2->base.ops->map(&usb2->base); usb2->base.lane = usb2->base.ops->map(&usb2->base);
@@ -880,6 +888,8 @@ static int tegra_xusb_add_ulpi_port(struct tegra_xusb_padctl *padctl,
goto out; goto out;
} }
printk("init ulpi xusb port");
err = tegra_xusb_port_init(&ulpi->base, padctl, np, "ulpi", index); err = tegra_xusb_port_init(&ulpi->base, padctl, np, "ulpi", index);
if (err < 0) if (err < 0)
goto out; goto out;
@@ -926,6 +936,7 @@ static int tegra_xusb_add_hsic_port(struct tegra_xusb_padctl *padctl,
struct device_node *np; struct device_node *np;
int err = 0; int err = 0;
printk("find hsic port node");
np = tegra_xusb_find_port_node(padctl, "hsic", index); np = tegra_xusb_find_port_node(padctl, "hsic", index);
if (!np || !of_device_is_available(np)) if (!np || !of_device_is_available(np))
goto out; goto out;
@@ -936,10 +947,13 @@ static int tegra_xusb_add_hsic_port(struct tegra_xusb_padctl *padctl,
goto out; goto out;
} }
printk("init hsic xusb port");
err = tegra_xusb_port_init(&hsic->base, padctl, np, "hsic", index); err = tegra_xusb_port_init(&hsic->base, padctl, np, "hsic", index);
if (err < 0) if (err < 0)
goto out; goto out;
printk("setting hsic ops");
hsic->base.ops = padctl->soc->ports.hsic.ops; hsic->base.ops = padctl->soc->ports.hsic.ops;
hsic->base.lane = hsic->base.ops->map(&hsic->base); hsic->base.lane = hsic->base.ops->map(&hsic->base);
@@ -1028,10 +1042,14 @@ static int tegra_xusb_add_usb3_port(struct tegra_xusb_padctl *padctl,
if (err < 0) if (err < 0)
goto out; goto out;
printk("xusb port inited. setting ops");
usb3->base.ops = padctl->soc->ports.usb3.ops; usb3->base.ops = padctl->soc->ports.usb3.ops;
printk("set lane");
usb3->base.lane = usb3->base.ops->map(&usb3->base); usb3->base.lane = usb3->base.ops->map(&usb3->base);
if (IS_ERR(usb3->base.lane)) { if (IS_ERR(usb3->base.lane)) {
printk("usb3 lane is error!");
err = PTR_ERR(usb3->base.lane); err = PTR_ERR(usb3->base.lane);
goto out; goto out;
} }