write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/usb/host/ehci-tegra.c
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@@ -42,12 +42,10 @@
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 };
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 struct tegra_ehci_hcd {
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-	struct tegra_usb_phy *phy;
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 	struct clk *clk;
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 	struct reset_control *rst;
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 	int port_resuming;
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 	bool needs_double_reset;
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-	enum tegra_usb_phy_port_speed port_speed;
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 };
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 static int tegra_reset_usb_controller(struct platform_device *pdev)
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@@ -284,7 +282,7 @@
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 struct dma_aligned_buffer {
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 	void *kmalloc_ptr;
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 	void *old_xfer_buffer;
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-	u8 data[0];
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+	u8 data[];
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 };
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 static void free_dma_aligned_buffer(struct urb *urb)
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@@ -480,16 +478,9 @@
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 	}
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 	u_phy->otg->host = hcd_to_bus(hcd);
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-	err = usb_phy_set_suspend(hcd->usb_phy, 0);
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-	if (err) {
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-		dev_err(&pdev->dev, "Failed to power on the phy\n");
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-		goto cleanup_phy;
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-	}
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-
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 	irq = platform_get_irq(pdev, 0);
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-	if (!irq) {
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-		dev_err(&pdev->dev, "Failed to get IRQ\n");
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-		err = -ENODEV;
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+	if (irq < 0) {
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+		err = irq;
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 		goto cleanup_phy;
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 	}
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..
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@@ -521,16 +512,10 @@
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 	struct tegra_ehci_hcd *tegra =
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 		(struct tegra_ehci_hcd *)hcd_to_ehci(hcd)->priv;
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-	otg_set_host(hcd->usb_phy->otg, NULL);
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-
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-	usb_phy_shutdown(hcd->usb_phy);
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 	usb_remove_hcd(hcd);
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-
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-	reset_control_assert(tegra->rst);
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-	udelay(1);
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-
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+	otg_set_host(hcd->usb_phy->otg, NULL);
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+	usb_phy_shutdown(hcd->usb_phy);
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 	clk_disable_unprepare(tegra->clk);
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-
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 	usb_put_hcd(hcd);
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 	return 0;