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DMA-API: Capitalize "CPU" consistently

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Sometimes we used "cpu," other times "CPU."  Use "CPU" consistently.

Suggested-by: Randy Dunlap <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
This commit is contained in:
Bjorn Helgaas 2014-05-20 16:56:27 -06:00
commit f311a724a7
2 changed files with 10 additions and 10 deletions
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12
Documentation/DMA-API.txt
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@ -19,7 +19,7 @@ To get the dma_ API, you must #include <linux/dma-mapping.h>. This
provides dma_addr_t and the interfaces described below.
A dma_addr_t can hold any valid DMA or bus address for the platform. It
can be given to a device to use as a DMA source or target. A cpu cannot
can be given to a device to use as a DMA source or target. A CPU cannot
reference a dma_addr_t directly because there may be translation between
its physical address space and the bus address space.
@ -112,7 +112,7 @@ size and alignment requirements specified at creation time. Pass
GFP_ATOMIC to prevent blocking, or if it's permitted (not
in_interrupt, not holding SMP locks), pass GFP_KERNEL to allow
blocking. Like dma_alloc_coherent(), this returns two values: an
address usable by the cpu, and the DMA address usable by the pool's
address usable by the CPU, and the DMA address usable by the pool's
device.
@ -120,7 +120,7 @@ device.
dma_addr_t addr);
This puts memory back into the pool. The pool is what was passed to
dma_pool_alloc(); the cpu (vaddr) and DMA addresses are what
dma_pool_alloc(); the CPU (vaddr) and DMA addresses are what
were returned when that routine allocated the memory being freed.
@ -355,7 +355,7 @@ void
dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
enum dma_data_direction direction)
Synchronise a single contiguous or scatter/gather mapping for the cpu
Synchronise a single contiguous or scatter/gather mapping for the CPU
and device. With the sync_sg API, all the parameters must be the same
as those passed into the single mapping API. With the sync_single API,
you can use dma_handle and size parameters that aren't identical to
@ -504,8 +504,8 @@ dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr,
Declare region of memory to be handed out by dma_alloc_coherent() when
it's asked for coherent memory for this device.
phys_addr is the cpu physical address to which the memory is currently
assigned (this will be ioremapped so the cpu can access the region).
phys_addr is the CPU physical address to which the memory is currently
assigned (this will be ioremapped so the CPU can access the region).
device_addr is the bus address the device needs to be programmed
with to actually address this memory (this will be handed out as the