Re: [PATCH 04/10] USB: EHCI: make ehci-orion a separate driver

From: Arnd Bergmann
Date: Thu Feb 07 2013 - 14:42:29 EST


On Thursday 07 February 2013, manjunath.goudar@xxxxxxxxxx wrote:
> @@ -155,7 +155,7 @@ static inline unsigned ehci_read_frame_index(struct ehci_hcd *ehci)
> * before driver shutdown. But it also seems to be caused by bugs in cardbus
> * bridge shutdown: shutting down the bridge before the devices using it.
> */
> -static int handshake (struct ehci_hcd *ehci, void __iomem *ptr,
> +int handshake(struct ehci_hcd *ehci, void __iomem *ptr,
> u32 mask, u32 done, int usec)
> {
> u32 result;

I had not noticed this before, but apparently it belongs into the
tegra patch that you dropped, rather than this patch.

Same thing for all the changes below.

> @@ -172,9 +172,9 @@ static int handshake (struct ehci_hcd *ehci, void __iomem *ptr,
> } while (usec > 0);
> return -ETIMEDOUT;
> }
> -
> +EXPORT_SYMBOL_GPL(handshake);
> /* check TDI/ARC silicon is in host mode */
> -static int tdi_in_host_mode (struct ehci_hcd *ehci)
> +static int tdi_in_host_mode(struct ehci_hcd *ehci)
> {
> u32 tmp;
>
> @@ -186,7 +186,7 @@ static int tdi_in_host_mode (struct ehci_hcd *ehci)
> * Force HC to halt state from unknown (EHCI spec section 2.3).
> * Must be called with interrupts enabled and the lock not held.
> */
> -static int ehci_halt (struct ehci_hcd *ehci)
> +int ehci_halt(struct ehci_hcd *ehci)
> {
> u32 temp;
>
> @@ -215,9 +215,9 @@ static int ehci_halt (struct ehci_hcd *ehci)
> return handshake(ehci, &ehci->regs->status,
> STS_HALT, STS_HALT, 16 * 125);
> }
> -
> +EXPORT_SYMBOL_GPL(ehci_halt);
> /* put TDI/ARC silicon into EHCI mode */
> -static void tdi_reset (struct ehci_hcd *ehci)
> +void tdi_reset(struct ehci_hcd *ehci)
> {
> u32 tmp;
>
> @@ -231,12 +231,12 @@ static void tdi_reset (struct ehci_hcd *ehci)
> tmp |= USBMODE_BE;
> ehci_writel(ehci, tmp, &ehci->regs->usbmode);
> }
> -
> +EXPORT_SYMBOL_GPL(tdi_reset);
> /*
> * Reset a non-running (STS_HALT == 1) controller.
> * Must be called with interrupts enabled and the lock not held.
> */
> -static int ehci_reset (struct ehci_hcd *ehci)
> +int ehci_reset(struct ehci_hcd *ehci)
> {
> int retval;
> u32 command = ehci_readl(ehci, &ehci->regs->command);
> @@ -272,7 +272,7 @@ static int ehci_reset (struct ehci_hcd *ehci)
> ehci->resuming_ports = 0;
> return retval;
> }
> -
> +EXPORT_SYMBOL_GPL(ehci_reset);
> /*
> * Idle the controller (turn off the schedules).
> * Must be called with interrupts enabled and the lock not held.
> @@ -352,7 +352,7 @@ static void ehci_silence_controller(struct ehci_hcd *ehci)
> * This forcibly disables dma and IRQs, helping kexec and other cases
> * where the next system software may expect clean state.
> */
> -static void ehci_shutdown(struct usb_hcd *hcd)
> +void ehci_shutdown(struct usb_hcd *hcd)
> {
> struct ehci_hcd *ehci = hcd_to_ehci(hcd);
>
> @@ -366,7 +366,7 @@ static void ehci_shutdown(struct usb_hcd *hcd)
>
> hrtimer_cancel(&ehci->hrtimer);
> }
> -
> +EXPORT_SYMBOL_GPL(ehci_shutdown);

Arnd
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