[U-Boot] [PATCH 1/2 V3] DMA: Split the APBH DMA init into block and channel init
Stefano Babic
sbabic at denx.de
Wed Apr 11 16:14:49 CEST 2012
On 09/04/2012 05:34, Marek Vasut wrote:
> This fixes the issue where mxs_dma_init() was called either twice or never,
> without introducing any new init hooks.
>
> The idea is to allow each and every device using the APBH DMA block to
> configure and request only the channels it uses, instead of making it call init
> for all the channels as is now.
>
> The common DMA block init part, which only configures the block, is then called
> from CPUs arch_cpu_init() call.
>
> NOTE: This patch depends on:
>
> http://patchwork.ozlabs.org/patch/150957/
>
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Stefano Babic <sbabic at denx.de>
> Cc: Wolfgang Denk <wd at denx.de>
> Cc: Detlev Zundel <dzu at denx.de>
> Cc: Fabio Estevam <fabio.estevam at freescale.com>
> ---
After fixing the following checkpatch errors:
ERROR: open brace '{' following function declarations go on the next line
#120: FILE: drivers/dma/apbh_dma.c:579:
+int mxs_dma_init_channel(int channel) {
ERROR: that open brace { should be on the previous line
#195: FILE: drivers/mtd/nand/mxs_nand.c:1076:
+ for (j = MXS_DMA_CHANNEL_AHB_APBH_GPMI0;
+ j <= MXS_DMA_CHANNEL_AHB_APBH_GPMI7; j++)
+ {
total: 2 errors, 0 warnings, 137 lines checked
Applied to u-boot-imx, thanks.
Best regards,
Stefano Babic
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