[Patch v5 1/2] dmaengine: add Qualcomm BAM dma driver
Joe Perches
joe at perches.com
Tue Feb 4 16:17:28 EST 2014
On Tue, 2014-02-04 at 14:42 -0600, Andy Gross wrote:
> Add the DMA engine driver for the QCOM Bus Access Manager (BAM) DMA controller
> found in the MSM 8x74 platforms.
trivia: fixable later.
> diff --git a/drivers/dma/qcom_bam_dma.c b/drivers/dma/qcom_bam_dma.c
[]
> + /* allocate enough room to accomodate the number of entries */
> + async_desc = kzalloc(sizeof(*async_desc) +
> + (sg_len * sizeof(struct bam_desc_hw)), GFP_NOWAIT);
> +
> + if (!async_desc) {
> + dev_err(bdev->dev, "failed to allocate async descriptor\n");
Unnecessary OOM message as generic alloc has an
OOM message with a dump_stack();
> +static int bam_dma_probe(struct platform_device *pdev)
> +{
[]
> + ret = clk_prepare_enable(bdev->bamclk);
> + if (ret) {
> + dev_err(bdev->dev, "failed to prepare/enable clock");
Missing terminating \n newline
More information about the linux-arm-kernel
mailing list