linux-kernel - Re: [PATCH] USB: ISP1760: Add flags for interrupt polarity and edge/level trigger

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Message-ID: <20111213180010.GA29980@kroah.com>
Date:	Tue, 13 Dec 2011 10:00:10 -0800
From:	Greg KH <greg@...ah.com>
To:	Alexander Stein <alexander.stein@...tec-electronic.com>
Cc:	Joachim Foerster <joachim.foerster@...singlinkelectronics.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Greg Kroah-Hartman <gregkh@...e.de>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] USB: ISP1760: Add flags for interrupt polarity and
 edge/level trigger

On Tue, Dec 13, 2011 at 10:33:13AM +0100, Alexander Stein wrote:
> Signed-off-by: Alexander Stein <alexander.stein@...tec-electronic.com>
> ---
>  drivers/usb/host/isp1760-if.c |    4 ++++
>  include/linux/usb/isp1760.h   |    2 ++
>  2 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
> index a7dc1e1..0ef9867 100644
> --- a/drivers/usb/host/isp1760-if.c
> +++ b/drivers/usb/host/isp1760-if.c
> @@ -388,6 +388,10 @@ static int __devinit isp1760_plat_probe(struct platform_device *pdev)
>  			devflags |= ISP1760_FLAG_DACK_POL_HIGH;
>  		if (priv->dreq_polarity_high)
>  			devflags |= ISP1760_FLAG_DREQ_POL_HIGH;
> +		if (priv->interrupt_polarity_high)
> +			devflags |= ISP1760_FLAG_INTR_POL_HIGH;
> +		if (priv->interrupt_edge_triggered)
> +			devflags |= ISP1760_FLAG_INTR_EDGE_TRIG;
>  	}
>  
>  	hcd = isp1760_register(mem_res->start, mem_size, irq_res->start,
> diff --git a/include/linux/usb/isp1760.h b/include/linux/usb/isp1760.h
> index de7de53..c5edbc8 100644
> --- a/include/linux/usb/isp1760.h
> +++ b/include/linux/usb/isp1760.h
> @@ -13,6 +13,8 @@ struct isp1760_platform_data {
>  	unsigned analog_oc:1;			/* Analog overcurrent */
>  	unsigned dack_polarity_high:1;		/* DACK active high */
>  	unsigned dreq_polarity_high:1;		/* DREQ active high */
> +	unsigned interrupt_polarity_high:1;
> +	unsigned interrupt_edge_triggered:1;

So you added these, and you check them, but who sets them?  What is the
point of this patch at this point in time?

confused,

greg k-h
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