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pxamci: correct DMA flow control
The DMA flow control in pxamci_setup_data() is backwards; fix it. Signed-off-by: Matt Reimer <mreimer@sdgsystems.com> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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1 changed files with 2 additions and 2 deletions
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@ -168,12 +168,12 @@ static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data)
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if (data->flags & MMC_DATA_READ) {
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host->dma_dir = DMA_FROM_DEVICE;
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dcmd = DCMD_INCTRGADDR | DCMD_FLOWTRG;
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dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC;
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DRCMR(host->dma_drcmrtx) = 0;
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DRCMR(host->dma_drcmrrx) = host->dma | DRCMR_MAPVLD;
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} else {
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host->dma_dir = DMA_TO_DEVICE;
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dcmd = DCMD_INCSRCADDR | DCMD_FLOWSRC;
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dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG;
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DRCMR(host->dma_drcmrrx) = 0;
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DRCMR(host->dma_drcmrtx) = host->dma | DRCMR_MAPVLD;
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}
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