From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
renesas_usbhs will have register DVSTCTR control function for HOST support.
This patch changes usbhsc_bus_ctrl() to usbsc_set_buswait(),
to remove DVSTCTR access from it,
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
drivers/usb/renesas_usbhs/common.c | 15 +++++----------
include/linux/usb/renesas_usbhs.h | 2 ++
2 files changed, 7 insertions(+), 10 deletions(-)
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index 319ed47..fd43fdd 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -149,17 +149,13 @@ int usbhs_frame_get_num(struct usbhs_priv *priv)
/*
* local functions
*/
-static void usbhsc_bus_ctrl(struct usbhs_priv *priv, int enable)
+static void usbhsc_set_buswait(struct usbhs_priv *priv)
{
int wait = usbhs_get_dparam(priv, buswait_bwait);
- u16 data = 0;
- if (enable) {
- /* set bus wait if platform have */
- if (wait)
- usbhs_bset(priv, BUSWAIT, 0x000F, wait);
- }
- usbhs_write(priv, DVSTCTR, data);
+ /* set bus wait if platform have */
+ if (wait)
+ usbhs_bset(priv, BUSWAIT, 0x000F, wait);
}
/*
@@ -191,10 +187,9 @@ static void usbhsc_power_ctrl(struct usbhs_priv *priv, int enable)
/* USB on */
usbhs_sys_clock_ctrl(priv, enable);
- usbhsc_bus_ctrl(priv, enable);
+ usbhsc_set_buswait(priv);
} else {
/* USB off */
- usbhsc_bus_ctrl(priv, enable);
usbhs_sys_clock_ctrl(priv, enable);
/* disable PM */
diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h
index 8977431..959af02 100644
--- a/include/linux/usb/renesas_usbhs.h
+++ b/include/linux/usb/renesas_usbhs.h
@@ -101,6 +101,8 @@ struct renesas_usbhs_driver_param {
* option:
*
* for BUSWAIT :: BWAIT
+ * see
+ * renesas_usbhs/common.c :: usbhsc_set_buswait()
* */
int buswait_bwait;
--
1.7.7
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