diff options
| author | Robin Gong <yibin.gong@nxp.com> | 2020-12-15 22:06:55 +0800 |
|---|---|---|
| committer | Denys Drozdov <denys.drozdov@toradex.com> | 2021-07-15 13:54:55 +0300 |
| commit | 6eac4c41e6f63e4faff2df69823ef02e28fa0a57 (patch) | |
| tree | 0698652a74337796f522c39b6368f221826e1c47 | |
| parent | d61424454f9fd9b8df9f3c840e0219c6da50e1d8 (diff) | |
MLK-25116-2: dmaengine: imx-sdma: correct iram_pool check point
check iram_pool before sdma_init_sw() so that ccb/context could be
allocated from iram because DDR maybe in self-referesh in lower power
audio case while sdma still running.
Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
(cherry picked from commit 6087a1b040c7df054efefd6eda7c031b49b80276)
| -rw-r--r-- | drivers/dma/imx-sdma.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index dcf70af83142..71ef21ba64e3 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -2382,6 +2382,12 @@ static int sdma_probe(struct platform_device *pdev) vchan_init(&sdmac->vc, &sdma->dma_device); } + if (np) { + sdma->iram_pool = of_gen_pool_get(np, "iram", 0); + if (sdma->iram_pool) + dev_info(&pdev->dev, "alloc bd from iram.\n"); + } + ret = sdma_init_sw(sdma); if (ret) goto err_init; @@ -2437,10 +2443,6 @@ static int sdma_probe(struct platform_device *pdev) sdma->spba_end_addr = spba_res.end; } of_node_put(spba_bus); - - sdma->iram_pool = of_gen_pool_get(np, "iram", 0); - if (sdma->iram_pool) - dev_info(&pdev->dev, "alloc bd from iram. \n"); } if (pdata) { |