ARM: ohci-pxa27x: enable OHCI over U2DC for pxa3xx (6dc3ae84) · Commits · 戴 / test

U2D Controller of pxa3xx is able to work in host mode. Make pxa specific ohci implementation aware of it. Signed-off-by:

drivers/usb/host/ohci-pxa27x.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@
		#include <linux/platform_device.h>
		#include <linux/clk.h>
		#include <mach/ohci.h>
		#include <mach/pxa3xx-u2d.h>

		/*
		* UHC: USB Host Controller (OHCI-like) register definitions
		@@ -235,6 +236,9 @@ static int pxa27x_start_hc(struct pxa27x_ohci ohci, struct device dev)
		if (retval < 0)
		return retval;

		if (cpu_is_pxa3xx())
		pxa3xx_u2d_start_hc(&ohci_to_hcd(&ohci->ohci)->self);

		uhchr = __raw_readl(ohci->mmio_base + UHCHR) & ~UHCHR_SSE;
		__raw_writel(uhchr, ohci->mmio_base + UHCHR);
		__raw_writel(UHCHIE_UPRIE \| UHCHIE_RWIE, ohci->mmio_base + UHCHIE);
		@@ -251,6 +255,9 @@ static void pxa27x_stop_hc(struct pxa27x_ohci ohci, struct device dev)

		inf = dev->platform_data;

		if (cpu_is_pxa3xx())
		pxa3xx_u2d_stop_hc(&ohci_to_hcd(&ohci->ohci)->self);

		if (inf->exit)
		inf->exit(dev);