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Commit 3e713373 authored by Guennadi Liakhovetski's avatar Guennadi Liakhovetski Committed by Chris Ball
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mmc: sdhi: DMA slave ID 0 is invalid 



Don't try to allocate DMA resources if the platform didn't specify
positive DMA slave IDs.

Signed-off-by: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent 7d8b4c2a

drivers/mmc/host/sh_mobile_sdhi.c

+1 −1
Original line number Diff line number Diff line
@@ -92,7 +92,7 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev) 
		mmc_data->ocr_mask = p->tmio_ocr_mask;

		mmc_data->capabilities |= p->tmio_caps;



		if (p->dma_slave_tx >= 0 && p->dma_slave_rx >= 0) {

		if (p->dma_slave_tx > 0 && p->dma_slave_rx > 0) {

			priv->param_tx.slave_id = p->dma_slave_tx;

			priv->param_rx.slave_id = p->dma_slave_rx;

			priv->dma_priv.chan_priv_tx = &priv->param_tx;