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dmaengine: PL08x: remove circular_buffer boolean from channel data

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Circular buffers are not handled in this way; we have a separate API
call now to setup circular buffers.  So lets not mislead people with
this bool.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2012-05-26 16:58:15 +01:00
parent c15a6ef6ea
commit 48afb3112e
2 changed files with 0 additions and 11 deletions
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7
drivers/dma/amba-pl08x.c
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@ -1701,13 +1701,6 @@ static int pl08x_dma_init_virtual_channels(struct pl08x_driver_data *pl08x,
return -ENOMEM;
}
}
if (chan->cd->circular_buffer) {
dev_err(&pl08x->adev->dev,
"channel %s: circular buffers not supported\n",
chan->name);
kfree(chan);
continue;
}
dev_dbg(&pl08x->adev->dev,
"initialize virtual channel \"%s\"\n",
chan->name);

4
include/linux/amba/pl08x.h
View File

@ -51,9 +51,6 @@ enum {
* can be the address of a FIFO register for burst requests for example.
* This can be left undefined if the PrimeCell API is used for configuring
* this.
* @circular_buffer: whether the buffer passed in is circular and
* shall simply be looped round round (like a record baby round
* round round round)
* @single: the device connected to this channel will request single DMA
* transfers, not bursts. (Bursts are default.)
* @periph_buses: the device connected to this channel is accessible via
@ -66,7 +63,6 @@ struct pl08x_channel_data {
u32 muxval;
u32 cctl;
dma_addr_t addr;
bool circular_buffer;
bool single;
u8 periph_buses;
};