linux-kernel - Re: [patch 44/54] PNP: add pnp_new_resource() to find a new unset pnp

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Message-ID: <4813AEB6.9070901@keyaccess.nl>
Date:	Sun, 27 Apr 2008 00:37:42 +0200
From:	Rene Herman <rene.herman@...access.nl>
To:	Bjorn Helgaas <bjorn.helgaas@...com>
CC:	Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, Adam Belay <ambx1@....rr.com>,
	Adam M Belay <abelay@....edu>,
	Li Shaohua <shaohua.li@...el.com>,
	Matthieu Castet <castet.matthieu@...e.fr>,
	Thomas Renninger <trenn@...e.de>,
	Jaroslav Kysela <perex@...ex.cz>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [patch 44/54] PNP: add pnp_new_resource() to find a new unset
 pnp_resource

On 25-04-08 20:38, Bjorn Helgaas wrote:

> +	switch (type) {
> +	case IORESOURCE_IO:
> +		for (i = 0; i < PNP_MAX_PORT; i++) {
> +			pnp_res = &dev->res->port[i];
> +			res = &pnp_res->res;
> +			if (res->flags & IORESOURCE_UNSET)
> +				return pnp_res;

Again possible users of pnp_resource_valid().

> +		}
> +		break;
> +	case IORESOURCE_MEM:
> +		for (i = 0; i < PNP_MAX_MEM; i++) {
> +			pnp_res = &dev->res->mem[i];
> +			res = &pnp_res->res;
> +			if (res->flags & IORESOURCE_UNSET)
> +				return pnp_res;
> +		}
> +		break;
> +	case IORESOURCE_IRQ:
> +		for (i = 0; i < PNP_MAX_IRQ; i++) {
> +			pnp_res = &dev->res->irq[i];
> +			res = &pnp_res->res;
> +			if (res->flags & IORESOURCE_UNSET)
> +				return pnp_res;
> +		}
> +		break;
> +	case IORESOURCE_DMA:
> +		for (i = 0; i < PNP_MAX_DMA; i++) {
> +			pnp_res = &dev->res->dma[i];
> +			res = &pnp_res->res;
> +			if (res->flags & IORESOURCE_UNSET)
> +				return pnp_res;
> +		}
> +		break;
> +	}
> +	return NULL;
> +}
> +

Rene
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