-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi Neil, On 01/21/13 11:28, NeilBrown wrote: > > > The standard suspend sequence involves runtime_resuming > devices before suspending the system. > So just saving context in runtime_suspend and restoring it > in runtime resume isn't enough. We must also save in "suspend" > and restore in "resume". > > Without this patch, and OMAP3 system with off_mode enabled will find > the musb port non-functional after suspend/resume. With the patch it > works perfectly. Hmmm... Some time ago, this has been removed in 5d193ce8 (usb: musb: PM: fix context save/restore in suspend/resume path) Am I missing something? Or things changed and now this patch is correct? > > Signed-off-by: NeilBrown <neilb@xxxxxxx> > > diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c > index fd34867..b6ccc02 100644 > --- a/drivers/usb/musb/musb_core.c > +++ b/drivers/usb/musb/musb_core.c > @@ -2225,6 +2225,7 @@ static int musb_suspend(struct device *dev) > } > > spin_unlock_irqrestore(&musb->lock, flags); > + musb_save_context(musb); > return 0; > } > > @@ -2234,6 +2235,8 @@ static int musb_resume_noirq(struct device *dev) > * unless for some reason the whole soc powered down or the USB > * module got reset through the PSC (vs just being disabled). > */ > + struct musb *musb = dev_to_musb(dev); > + musb_restore_context(musb); > return 0; > } > - -- Regards, Igor. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQIcBAEBAgAGBQJQ/SjTAAoJEBDE8YO64EfaHrsP/2bl4rP6L/tWLSZ+rNEdz6B+ Qo+HVOhnTVsOxgWbbd5VrfhE28jLoFGMslrLuI+geeCcJ1zgwNsahG9C11bygyfu 54hQgkmaxDJPDKAlalcy7VK9C6tOTgQV5iSbuRlemttK879dTrb+33zP6idn5+zK kxptY38fpmyojnl8gJiVa6Plik/apQcVr+GIx8CMwj+YQC5vkdg7cUEWyngfyk2C W0U4NceroS8NSjRbcFV3V6Q912TVjKzl+B2yxVD0OBaSK4BpHEncDBXiVx8APq87 4nDeBB5gDXi1rtN3YjcfDaFu0me5qzpYc3JFFidvdLTdXIdvxDzjHgMqsZB8ZBYC R0e5PtIw/62I90d63JkXZXVRTB7JeZsGfZFY2R7MxBab9or8zz0OyYwGWoW63vzH oFrwmAkWoD0IEKcfc8+dd99eicgZrmQL6FDWrEMsX+RS34LRtVU30SVAudRhY+CR MhNCjKyFySwx7wqkGgJl1ECl0Y6U4ua0v4bv7kdE6eyrgbQIkiGliSJ7DhWBPcP6 iMIOTwC7+LwPYP/MX2uYR3DXDfI0XwiqdtyzhD9LJe4PRol8zjozS2j0Y7FriItw jFqsgCgwDc9j8ufcpXf5ZynJYnlCG0iLuAPEUugZot83/CpxgU++A8cuHqUrOnhH 76L95rflUTkpiQ76ffP7 =jqXb -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
