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SubjectRe: [PATCH] MIPS: Loongson1B: Provide DMA filter callbacks via platform data
On Sat, May 28, 2016 at 05:51:52PM +0800, Keguang Zhang wrote:

> diff --git a/arch/mips/include/asm/mach-loongson32/nand.h b/arch/mips/include/asm/mach-loongson32/nand.h
> index e274912..a1f8704 100644
> --- a/arch/mips/include/asm/mach-loongson32/nand.h
> +++ b/arch/mips/include/asm/mach-loongson32/nand.h
> @@ -21,10 +21,9 @@ struct plat_ls1x_nand {
>
> int hold_cycle;
> int wait_cycle;
> + bool (*dma_filter)(struct dma_chan *chan, void *param);
> };
>
> extern struct plat_ls1x_nand ls1b_nand_pdata;
>
> -bool ls1x_dma_filter_fn(struct dma_chan *chan, void *param);
> -
> #endif /* __ASM_MACH_LOONGSON32_NAND_H */
> diff --git a/arch/mips/loongson32/ls1b/board.c b/arch/mips/loongson32/ls1b/board.c
> index 38a1d40..0a57337 100644
> --- a/arch/mips/loongson32/ls1b/board.c
> +++ b/arch/mips/loongson32/ls1b/board.c
> @@ -38,6 +38,7 @@ struct plat_ls1x_nand ls1x_nand_pdata = {
> .nr_parts = ARRAY_SIZE(ls1x_nand_parts),
> .hold_cycle = 0x2,
> .wait_cycle = 0xc,
> + .dma_filter = ls1x_dma_filter,
> };

Without the DMA driver which Vinod has requested changes for this
patch will result in build errors. It will also result in a build
error if CONFIG_LOONGSON1_DMA is disabled.

Ralf

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