RE: [PATCH 10/10] staging: dwc2: properly separate common and host interrupt enabling

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> From: Matthijs Kooijman [mailto:matthijs@xxxxxxxx]
> Sent: Monday, April 15, 2013 7:14 AM
> 
> Before, enabling common interrupts would implicitly disable all other
> interrupts and enabling host interrupts would disable all interrupts and
> then enable both common and host interrupts.
> 
> Now, these two are properly separated: each enable function only enables
> its own interrupts and leaves all others alone. This makes the
> functions do what you'd expect them to.
> 
> In practice, both of these functions are only called together during
> initialization and cleanup, so there shouldn't be any behaviour change
> (though some timing changes could occur).
> 
> Signed-off-by: Matthijs Kooijman <matthijs@xxxxxxxx>
> ---
>  drivers/staging/dwc2/core.c | 22 +++++++++-------------
>  1 file changed, 9 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/staging/dwc2/core.c b/drivers/staging/dwc2/core.c
> index 09b6d19..6b75821 100644
> --- a/drivers/staging/dwc2/core.c
> +++ b/drivers/staging/dwc2/core.c
> @@ -69,13 +69,13 @@ static void dwc2_enable_common_interrupts(struct dwc2_hsotg *hsotg)
>  	/* Clear any pending OTG Interrupts */
>  	writel(0xffffffff, hsotg->regs + GOTGINT);
> 
> -	/* Clear any pending interrupts */
> -	writel(0xffffffff, hsotg->regs + GINTSTS);
> +	/* Clear any pending common interrupts */
> +	writel(GINTMSK_COMMON, hsotg->regs + GINTSTS);
> 
> -	/* Enable the interrupts in the GINTMSK */
> -	intmsk = GINTSTS_DISCONNINT | GINTSTS_MODEMIS | GINTSTS_OTGINT;
> -
> -	intmsk |= GINTSTS_CONIDSTSCHNG | GINTSTS_WKUPINT | GINTSTS_USBSUSP |
> +	/* Enable common interrupts without disturbing host mode interrupts */
> +	intmsk = readl(hsotg->regs + GINTMSK);
> +	intmsk |= GINTSTS_DISCONNINT | GINTSTS_MODEMIS | GINTSTS_OTGINT |
> +		  GINTSTS_CONIDSTSCHNG | GINTSTS_WKUPINT | GINTSTS_USBSUSP |
>  		  GINTSTS_SESSREQINT;

This should use the interrupt list that you just added in patch 8/10, right?

-- 
Paul

--
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




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux