Messages in this thread |  | | Date | Wed, 3 Oct 2001 09:37:00 -0700 (PDT) | From | Linux Bigot <> | Subject | Re: how to get virtual address from dma address |
| |
Please tell me why can't I use bus_to_virt().
Thanks
-----Original Message----- From: Jes Sorensen [SMTP:jes@sunsite.dk] Sent: Wednesday, October 03, 2001 11:26 AM To: Linux Bigot Cc: linux-kernel@vger.kernel.org Subject: Re: how to get virtual address from dma address
>>>>> "Linux" == Linux Bigot <linuxopinion@yahoo.com> writes:
Linux> All programmers I am relatively new to linux kernel. Please Linux> advise what is the safe way to get the original virtaul address Linux> from dma address e.g.,
You have to store the address you pass to pci_map_single() somewhere in your data structures together with the dma address.
Jes - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
__________________________________________________ Do You Yahoo!? Listen to your Yahoo! Mail messages from any phone. http://phone.yahoo.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |