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path: root/drivers/usb/ulpi/ulpi-viewport.c
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Diffstat (limited to 'drivers/usb/ulpi/ulpi-viewport.c')
-rw-r--r--drivers/usb/ulpi/ulpi-viewport.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/ulpi/ulpi-viewport.c b/drivers/usb/ulpi/ulpi-viewport.c
index 72a06de910..d111680472 100644
--- a/drivers/usb/ulpi/ulpi-viewport.c
+++ b/drivers/usb/ulpi/ulpi-viewport.c
@@ -92,7 +92,8 @@ static int ulpi_request(struct ulpi_viewport *ulpi_vp, u32 value)
int ulpi_write(struct ulpi_viewport *ulpi_vp, u8 *reg, u32 value)
{
- u32 val = ULPI_RWRUN | ULPI_RWCTRL | ((u32)reg << 16) | (value & 0xff);
+ u32 addr = (uintptr_t)reg & 0xFF;
+ u32 val = ULPI_RWRUN | ULPI_RWCTRL | addr << 16 | (value & 0xff);
val |= (ulpi_vp->port_num & 0x7) << 24;
return ulpi_request(ulpi_vp, val);
@@ -101,7 +102,7 @@ int ulpi_write(struct ulpi_viewport *ulpi_vp, u8 *reg, u32 value)
u32 ulpi_read(struct ulpi_viewport *ulpi_vp, u8 *reg)
{
int err;
- u32 val = ULPI_RWRUN | ((u32)reg << 16);
+ u32 val = ULPI_RWRUN | ((uintptr_t)reg & 0xFF) << 16;
val |= (ulpi_vp->port_num & 0x7) << 24;
err = ulpi_request(ulpi_vp, val);