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authorAjay Kumar Gupta <ajay.gupta@ti.com>2010-03-25 13:14:26 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2010-04-30 09:25:08 -0700
commit5e0e61afa5b342c0197fce2d4fd2a2b515e96b31 (patch)
tree3ee1f94b1998e90588d8f4968d3c1e3cc08f5511 /drivers/usb/musb
parent2f831751c5a0511fec6a9074643d9914eedabc83 (diff)
musb: save and restore missing bus control register
Added the missing BUS_CONTROL register in musb save/restore routines. Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com> Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/musb')
-rw-r--r--drivers/usb/musb/musb_core.c2
-rw-r--r--drivers/usb/musb/musb_core.h2
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 0e8b8ab1d16..3342b82d4e5 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2176,6 +2176,7 @@ void musb_save_context(struct musb *musb)
if (is_host_enabled(musb)) {
musb_context.frame = musb_readw(musb_base, MUSB_FRAME);
musb_context.testmode = musb_readb(musb_base, MUSB_TESTMODE);
+ musb_context.busctl = musb_read_ulpi_buscontrol(musb->mregs);
}
musb_context.power = musb_readb(musb_base, MUSB_POWER);
musb_context.intrtxe = musb_readw(musb_base, MUSB_INTRTXE);
@@ -2247,6 +2248,7 @@ void musb_restore_context(struct musb *musb)
if (is_host_enabled(musb)) {
musb_writew(musb_base, MUSB_FRAME, musb_context.frame);
musb_writeb(musb_base, MUSB_TESTMODE, musb_context.testmode);
+ musb_write_ulpi_buscontrol(musb->mregs, musb_context.busctl);
}
musb_writeb(musb_base, MUSB_POWER, musb_context.power);
musb_writew(musb_base, MUSB_INTRTXE, musb_context.intrtxe);
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index cd9f4a9a06c..ac17b004909 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -478,7 +478,7 @@ struct musb_context_registers {
u16 frame;
u8 index, testmode;
- u8 devctl, misc;
+ u8 devctl, busctl, misc;
struct musb_csr_regs index_regs[MUSB_C_NUM_EPS];
};