Re: [PATCH v2 1/5] DMA-API: Clarify physical/bus address distinction

From: Greg Kroah-Hartman
Date: Thu May 08 2014 - 05:24:43 EST


On Tue, May 06, 2014 at 04:48:19PM -0600, Bjorn Helgaas wrote:
> The DMA-API documentation sometimes refers to "physical addresses" when it
> really means "bus addresses." Sometimes these are identical, but they may
> be different if the bridge leading to the bus performs address translation.
> Update the documentation to use "bus address" when appropriate.
>
> Also, consistently capitalize "DMA", use parens with function names, use
> dev_printk() in examples, and reword a few sections for clarity.
>
> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>

Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

Thanks for cleaning this up.

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