From: clemens@ladisch.de (Clemens Ladisch)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] common: dma-mapping: add support for generic dma_mmap_* calls
Date: Fri, 29 Jun 2012 13:09:55 +0200 [thread overview]
Message-ID: <4FED8D03.10507@ladisch.de> (raw)
In-Reply-To: <1339741135-7841-1-git-send-email-m.szyprowski@samsung.com>
Marek Szyprowski wrote:
> +++ b/drivers/base/dma-mapping.c
> ...
> +int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
> + void *cpu_addr, dma_addr_t dma_addr, size_t size)
> +{
> + int ret = -ENXIO;
> + ...
> + if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret))
> + return ret;
This will return -ENXIO if dma_mmap_from_coherent() succeeds.
Regards,
Clemens
next prev parent reply other threads:[~2012-06-29 11:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-15 6:18 [PATCH] common: dma-mapping: add support for generic dma_mmap_* calls Marek Szyprowski
2012-06-29 11:09 ` Clemens Ladisch [this message]
2012-06-29 13:00 ` Marek Szyprowski
2012-06-29 13:16 ` Clemens Ladisch
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