From: Tony Lindgren <tony@xxxxxxxxxxx>
We currently have musb_set_vbus() called from two different paths. Mostly
it gets called from the USB PHY via omap_musb_set_mailbox(), but in some
cases it can get also called from musb_stage0_irq() rather via .set_vbus:
(musb_set_host [musb_hdrc])
(omap2430_musb_set_vbus [omap2430])
(musb_stage0_irq [musb_hdrc])
(musb_interrupt [musb_hdrc])
(omap2430_musb_interrupt [omap2430])
This is racy and will not work with introducing generic helper functions
for musb_set_host() and musb_set_peripheral(). We want to get rid of the
busy loops in favor of usleep_range().
Let's just get rid of .set_vbus for omap2430 glue layer and let the PHY
code handle VBUS with musb_set_vbus(). Note that in the follow-up patch
we can completely remove omap2430_musb_set_vbus(), but let's do it in a
separate patch as this change may actually turn out to be needed as a
fix.
Reported-by: Pavel Machek <pavel@xxxxxx>
Acked-by: Pavel Machek <pavel@xxxxxx>
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
Signed-off-by: Bin Liu <b-liu@xxxxxx>
---
drivers/usb/musb/omap2430.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index a3d2fef67746..5c93226e0e20 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -361,8 +361,6 @@ static const struct musb_platform_ops omap2430_ops = {
.init = omap2430_musb_init,
.exit = omap2430_musb_exit,
- .set_vbus = omap2430_musb_set_vbus,
-
.enable = omap2430_musb_enable,
.disable = omap2430_musb_disable,
--
2.17.1
