On 12/07/2023 09:08, Trevor Wu wrote:
In certain projects, it is necessary to utilize the reserved memory region for audio dma. The patch takes into account the dts property 'memory-region', allowing for the specification of memory for afe memif through device tree.
Signed-off-by: Trevor Wu trevor.wu@mediatek.com
sound/soc/mediatek/mt8188/mt8188-afe-pcm.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/sound/soc/mediatek/mt8188/mt8188-afe-pcm.c b/sound/soc/mediatek/mt8188/mt8188-afe-pcm.c index 6a24b339444b..5e14655c5617 100644 --- a/sound/soc/mediatek/mt8188/mt8188-afe-pcm.c +++ b/sound/soc/mediatek/mt8188/mt8188-afe-pcm.c @@ -16,6 +16,7 @@ #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_platform.h> +#include <linux/of_reserved_mem.h> #include <linux/pm_runtime.h> #include <linux/soc/mediatek/infracfg.h> #include <linux/reset.h> @@ -3193,11 +3194,15 @@ static int mt8188_afe_pcm_dev_probe(struct platform_device *pdev) { struct mtk_base_afe *afe; struct mt8188_afe_private *afe_priv;
- struct device *dev;
- struct device *dev = &pdev->dev;
I think that make sense to replace all "&pdev->dev" by "dev" in the next called functions: - dma_set_mask_and_coherent - devm_kzalloc - devm_kzalloc
struct reset_control *rstc; struct regmap *infra_ao; int i, irq_id, ret;
- ret = of_reserved_mem_device_init(dev);
- if (ret)
dev_dbg(dev, "failed to assign memory region: %d\n", ret);- ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(33)); if (ret) return ret;
@@ -3213,7 +3218,6 @@ static int mt8188_afe_pcm_dev_probe(struct platform_device *pdev)
afe_priv = afe->platform_priv; afe->dev = &pdev->dev;
dev = afe->dev;
afe->base_addr = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(afe->base_addr))