[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/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index bf01e14..3e4ab22 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -34,6 +34,13 @@
#include "devices.h"
#include "clock.h"
+void pxa27x_clear_otgph(void)
+{
+ if (cpu_is_pxa27x() && (PSSR & PSSR_OTGPH))
+ PSSR |= PSSR_OTGPH;
+}
+EXPORT_SYMBOL(pxa27x_clear_otgph);
+
/* Crystal clock: 13MHz */
#define BASE_CLK 13000000