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FMC ADC 100M 14b 4cha
Commit 7e483136 authored by Federico Vaga's avatar Federico Vaga
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drv: skip slave_config on SVEC 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent d6d564cf
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Showing with 12 additions and 1 deletion
kernel/fa-dma.c
View file @ 7e483136
......@@ -488,6 +488,17 @@ err_alloc_pages:
return err;
}
static int fa_dmaengine_slave_config(struct fa_dev *fa,
struct dma_slave_config *sconfig)
{
/*
* For SVEC we must set the DMA context, there is not slave config
*/
if (fa_is_flag_set(fa, FMC_ADC_SVEC))
return 0;
return dmaengine_slave_config(fa->dchan, sconfig);
}
/**
* It maps the ZIO blocks with an sg table, then it starts the DMA transfer
* from the ADC to the host memory.
......@@ -536,7 +547,7 @@ static int zfad_dma_start(struct zio_cset *cset)
* because the address of shot 2 is exactly after shot 1
*/
sconfig.src_addr = fa_ddr_offset(fa, i);
err = dmaengine_slave_config(fa->dchan, &sconfig);
err = fa_dmaengine_slave_config(fa, &sconfig);
if (err)
goto err_config;
err = zfad_dma_prep_slave_sg(fa->dchan, cset, &zfad_block[i]);
......
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