* Felipe Balbi <felipe.balbi@xxxxxxxxx> [080429 04:08]:
> The following patch is needed because usb is preventing core
> powerdomain to enter sleep state.
>
> Thanks to Jouni Högander for pointing this
Pushing today.
FYI, I'm putting together patches to get rid of the __REG32 and
__REG16 macros in order to get multi-omap booting working between
926, arm11, and cortex using the same kernel.
The __REG macros won't work for multi-omap when the IO
bases are different as these macros cannot be replaced by
functions in io.c.
Tony
> Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxx>
> Signed-off-by: Jouni Högander <jouni.hogander@xxxxxxxxx>
> ---
> drivers/usb/musb/omap2430.c | 23 ++++++++++++-----------
> 1 files changed, 12 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
> index e092393..36f1739 100644
> --- a/drivers/usb/musb/omap2430.c
> +++ b/drivers/usb/musb/omap2430.c
> @@ -224,6 +224,14 @@ int __init musb_platform_init(struct musb *musb)
> musb->xceiv = *xceiv;
> musb_platform_resume(musb);
>
> + OTG_SYSCONFIG_REG &= ~ENABLEWAKEUP; /* disable wakeup */
> + OTG_SYSCONFIG_REG &= ~NOSTDBY; /* remove possible nostdby */
> + OTG_SYSCONFIG_REG |= SMARTSTDBY; /* enable smart standby */
> + OTG_SYSCONFIG_REG &= ~AUTOIDLE; /* disable auto idle */
> + OTG_SYSCONFIG_REG &= ~NOIDLE; /* remove possible noidle */
> + OTG_SYSCONFIG_REG |= SMARTIDLE; /* enable smart idle */
> + OTG_SYSCONFIG_REG |= AUTOIDLE; /* enable auto idle */
> +
> OTG_INTERFSEL_REG |= ULPI_12PIN;
>
> pr_debug("HS USB OTG: revision 0x%x, sysconfig 0x%02x, "
> @@ -250,12 +258,8 @@ int musb_platform_suspend(struct musb *musb)
> return 0;
>
> /* in any role */
> - OTG_FORCESTDBY_REG &= ~ENABLEFORCE; /* disable MSTANDBY */
> - OTG_SYSCONFIG_REG &= FORCESTDBY; /* enable force standby */
> - OTG_SYSCONFIG_REG &= ~AUTOIDLE; /* disable auto idle */
> - OTG_SYSCONFIG_REG |= SMARTIDLE; /* enable smart idle */
> - OTG_FORCESTDBY_REG |= ENABLEFORCE; /* enable MSTANDBY */
> - OTG_SYSCONFIG_REG |= AUTOIDLE; /* enable auto idle */
> + OTG_FORCESTDBY_REG |= ENABLEFORCE; /* enable MSTANDBY */
> + OTG_SYSCONFIG_REG |= ENABLEWAKEUP; /* enable wakeup */
>
> if (musb->xceiv.set_suspend)
> musb->xceiv.set_suspend(&musb->xceiv, 1);
> @@ -281,11 +285,8 @@ int musb_platform_resume(struct musb *musb)
> else
> clk_enable(musb->clock);
>
> - OTG_FORCESTDBY_REG &= ~ENABLEFORCE; /* disable MSTANDBY */
> - OTG_SYSCONFIG_REG |= SMARTSTDBY; /* enable smart standby */
> - OTG_SYSCONFIG_REG &= ~AUTOIDLE; /* disable auto idle */
> - OTG_SYSCONFIG_REG |= SMARTIDLE; /* enable smart idle */
> - OTG_SYSCONFIG_REG |= AUTOIDLE; /* enable auto idle */
> + OTG_SYSCONFIG_REG &= ~ENABLEWAKEUP; /* disable wakeup */
> + OTG_FORCESTDBY_REG &= ~ENABLEFORCE; /* disable MSTANDBY */
>
> return 0;
> }
> --
> 1.5.5.1.99.gf0ec4
>
> --
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