AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

ARM: ohci-pxa27x: enable OHCI over U2DC for pxa3xx

Browse Source 
U2D Controller of pxa3xx is able to work in host mode.
Make pxa specific ohci implementation aware of it.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Igor Grinberg 2010-07-27 15:06:59 +03:00 committed by Eric Miao
parent 69f22be7b1
commit 6dc3ae845c
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/usb/host/ohci-pxa27x.c
View File

@ -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);