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drivers: remove force dma flag from buses

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With each bus implementing its own DMA configuration callback, there is no
need for bus to explicitly set the force_dma flag.  Modify the
of_dma_configure function to accept an input parameter which specifies if
implicit DMA configuration is required when it is not described by the
firmware.

Signed-off-by: Nipun Gupta <[email protected]>
Acked-by: Bjorn Helgaas <[email protected]>  # PCI parts
Reviewed-by: Rob Herring <[email protected]>
[hch: tweaked the changelog a bit]
Signed-off-by: Christoph Hellwig <[email protected]>
This commit is contained in:
Christoph Hellwig 2018-05-03 16:25:08 +02:00
commit 3d6ce86ee7
10 changed files with 17 additions and 19 deletions
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1
drivers/amba/bus.c
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@ -204,7 +204,6 @@ struct bus_type amba_bustype = {
.uevent = amba_uevent,
.dma_configure = platform_dma_configure,
.pm = &amba_pm,
.force_dma = true,
};
static int __init amba_init(void)