[ARM] ohci-pxa27x: introduce pxa27x_clear_otgph()
Direct access to pxa27x specific register PSSR in a generic ohci driver
is no good, introduce pxa27x_clear_otgph() and move the implementation
into processor specific code.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index 8530c6e..1fd7793 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -25,7 +25,6 @@
#include <linux/clk.h>
#include <mach/hardware.h>
-#include <mach/pxa2xx-regs.h> /* FIXME: for PSSR */
#include <mach/ohci.h>
/*
@@ -182,6 +181,12 @@
UHCRHDA = uhcrhda;
}
+#ifdef CONFIG_CPU_PXA27x
+extern void pxa27x_clear_otgph(void);
+#else
+#define pxa27x_clear_otgph() do {} while (0)
+#endif
+
static int pxa27x_start_hc(struct device *dev)
{
int retval = 0;
@@ -212,9 +217,7 @@
UHCHIE = (UHCHIE_UPRIE | UHCHIE_RWIE);
/* Clear any OTG Pin Hold */
- if (cpu_is_pxa27x() && (PSSR & PSSR_OTGPH))
- PSSR |= PSSR_OTGPH;
-
+ pxa27x_clear_otgph();
return 0;
}