From: Stanimir Varbanov Date: Thu, 5 Mar 2015 13:03:04 +0000 (+0200) Subject: dmaengine: bam-dma: fix a warning about missing capabilities X-Git-Tag: submit/tizen/20160607.132125~2881^2~2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fe4be5e9f99d433fe6420a12f4e94f05f2ae39a6;p=sdk%2Femulator%2Femulator-kernel.git dmaengine: bam-dma: fix a warning about missing capabilities Avoid the warning below triggered during dmaengine async device registration. WARNING: CPU: 1 PID: 1 at linux/drivers/dma/dmaengine.c:863 dma_async_device_register+0x2a8/0x4b8() this driver doesn't support generic slave capabilities reporting To do that fill mandatory .directions bit mask, .src/dst_addr_widths and .residue_granularity dma_device fields with appropriate values. Signed-off-by: Stanimir Varbanov Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/qcom_bam_dma.c b/drivers/dma/qcom_bam_dma.c index d7a33b3..d9f1a18 100644 --- a/drivers/dma/qcom_bam_dma.c +++ b/drivers/dma/qcom_bam_dma.c @@ -1143,6 +1143,10 @@ static int bam_dma_probe(struct platform_device *pdev) dma_cap_set(DMA_SLAVE, bdev->common.cap_mask); /* initialize dmaengine apis */ + bdev->common.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); + bdev->common.residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT; + bdev->common.src_addr_widths = DMA_SLAVE_BUSWIDTH_4_BYTES; + bdev->common.dst_addr_widths = DMA_SLAVE_BUSWIDTH_4_BYTES; bdev->common.device_alloc_chan_resources = bam_alloc_chan; bdev->common.device_free_chan_resources = bam_free_chan; bdev->common.device_prep_slave_sg = bam_prep_slave_sg;