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ARM: pxa: add the number of DMA requestor lines

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Declare the number of DMA requestor lines per platform :
 - for pxa25x: 40 requestor lines
 - for pxa27x: 75 requestor lines
 - for pxa3xx: 100 requestor lines

This information will be used to activate the DMA flow control or not.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
This commit is contained in:
Robert Jarzmik
2016-02-15 21:57:47 +01:00
parent c283e41ef3
commit 72b195cb71
7 changed files with 8 additions and 5 deletions
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2
arch/arm/plat-pxa/include/plat/dma.h
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@@ -95,6 +95,6 @@ static inline int pxad_toggle_reserved_channel(int legacy_channel)
}
#endif
extern void __init pxa2xx_set_dmac_info(int nb_channels);
extern void __init pxa2xx_set_dmac_info(int nb_channels, int nb_requestors);
#endif /* __PLAT_DMA_H */