From 06ba8020287f43fc13962b158d8dec2689448a5a Mon Sep 17 00:00:00 2001 From: AngeloGioacchino Del Regno Date: Wed, 3 May 2023 13:34:09 +0200 Subject: [PATCH 1/5] ASoC: SOF: mediatek: mt8195: Use snd_sof_ipc_process_reply() helper Function mt8195_get_reply() performs practically the same operation as the common snd_sof_ipc_get_reply() helper: removing the custom function allows us to simply perform a call to the sof-priv helper snd_sof_ipc_process_reply(), simplifying and shortening this driver and getting all the benefits of using a common API. Signed-off-by: AngeloGioacchino Del Regno dsp_ipc, MTK_ADSP_IPC_REQ, MTK_ADSP_IPC_OP_REQ); } -static void mt8195_get_reply(struct snd_sof_dev *sdev) -{ - struct snd_sof_ipc_msg *msg = sdev->msg; - struct sof_ipc_reply reply; - int ret = 0; - - if (!msg) { - dev_warn(sdev->dev, "unexpected ipc interrupt\n"); - return; - } - - /* get reply */ - sof_mailbox_read(sdev, sdev->host_box.offset, &reply, sizeof(reply)); - if (reply.error < 0) { - memcpy(msg->reply_data, &reply, sizeof(reply)); - ret = reply.error; - } else { - /* reply has correct size? */ - if (reply.hdr.size != msg->reply_size) { - dev_err(sdev->dev, "error: reply expected %zu got %u bytes\n", - msg->reply_size, reply.hdr.size); - ret = -EINVAL; - } - - /* read the message */ - if (msg->reply_size > 0) - sof_mailbox_read(sdev, sdev->host_box.offset, - msg->reply_data, msg->reply_size); - } - - msg->reply_error = ret; -} - static void mt8195_dsp_handle_reply(struct mtk_adsp_ipc *ipc) { struct adsp_priv *priv = mtk_adsp_ipc_get_data(ipc); unsigned long flags; spin_lock_irqsave(&priv->sdev->ipc_lock, flags); - mt8195_get_reply(priv->sdev); - snd_sof_ipc_reply(priv->sdev, 0); + snd_sof_ipc_process_reply(priv->sdev, 0); spin_unlock_irqrestore(&priv->sdev->ipc_lock, flags); } From 709f34b41ceffedec17d1150018cf62f8ea95842 Mon Sep 17 00:00:00 2001 From: AngeloGioacchino Del Regno Date: Wed, 3 May 2023 13:34:10 +0200 Subject: [PATCH 2/5] ASoC: SOF: mediatek: mt8186: Use snd_sof_ipc_process_reply() helper Function mt8186_get_reply() performs practically the same operation as the common snd_sof_ipc_get_reply() helper: removing the custom function allows us to simply perform a call to the sof-priv helper snd_sof_ipc_process_reply(), simplifying and shortening this driver and getting all the benefits of using a common API. Signed-off-by: AngeloGioacchino Del Regno dsp_ipc, MTK_ADSP_IPC_REQ, MTK_ADSP_IPC_OP_REQ); } -static void mt8186_get_reply(struct snd_sof_dev *sdev) -{ - struct snd_sof_ipc_msg *msg = sdev->msg; - struct sof_ipc_reply reply; - int ret = 0; - - if (!msg) { - dev_warn(sdev->dev, "unexpected ipc interrupt\n"); - return; - } - - /* get reply */ - sof_mailbox_read(sdev, sdev->host_box.offset, &reply, sizeof(reply)); - if (reply.error < 0) { - memcpy(msg->reply_data, &reply, sizeof(reply)); - ret = reply.error; - } else { - /* reply has correct size? */ - if (reply.hdr.size != msg->reply_size) { - dev_err(sdev->dev, "error: reply expected %zu got %u bytes\n", - msg->reply_size, reply.hdr.size); - ret = -EINVAL; - } - - /* read the message */ - if (msg->reply_size > 0) - sof_mailbox_read(sdev, sdev->host_box.offset, - msg->reply_data, msg->reply_size); - } - - msg->reply_error = ret; -} - static void mt8186_dsp_handle_reply(struct mtk_adsp_ipc *ipc) { struct adsp_priv *priv = mtk_adsp_ipc_get_data(ipc); unsigned long flags; spin_lock_irqsave(&priv->sdev->ipc_lock, flags); - mt8186_get_reply(priv->sdev); - snd_sof_ipc_reply(priv->sdev, 0); + snd_sof_ipc_process_reply(priv->sdev, 0); spin_unlock_irqrestore(&priv->sdev->ipc_lock, flags); } From 686d041685639493a608bdcdb0d00551796721c9 Mon Sep 17 00:00:00 2001 From: AngeloGioacchino Del Regno Date: Wed, 3 May 2023 13:34:13 +0200 Subject: [PATCH 3/5] ASoC: mediatek: mt8195-afe-pcm: Clean up unnecessary functions Function mt8195_afe_init_registers() performs just a single call to regmap_multi_reg_write(), it returns int and it's not error checked; move that call to the probe function and also add some error check. While at it, also move the contents of mt8195_afe_parse_of() to the probe function as well: since this is getting a handle to topckgen and since that's optional, the ifdef for CONFIG_SND_SOC_MT6359 can also be removed. Signed-off-by: AngeloGioacchino Del Regno regmap, - mt8195_afe_reg_defaults, - ARRAY_SIZE(mt8195_afe_reg_defaults)); -} - -static void mt8195_afe_parse_of(struct mtk_base_afe *afe, - struct device_node *np) -{ -#if IS_ENABLED(CONFIG_SND_SOC_MT6359) - struct mt8195_afe_private *afe_priv = afe->platform_priv; - - afe_priv->topckgen = syscon_regmap_lookup_by_phandle(afe->dev->of_node, - "mediatek,topckgen"); - if (IS_ERR(afe_priv->topckgen)) { - dev_info(afe->dev, "%s() Cannot find topckgen controller: %ld\n", - __func__, PTR_ERR(afe_priv->topckgen)); - } -#endif -} - static int mt8195_afe_pcm_dev_probe(struct platform_device *pdev) { struct mtk_base_afe *afe; @@ -3177,7 +3155,10 @@ static int mt8195_afe_pcm_dev_probe(struct platform_device *pdev) platform_set_drvdata(pdev, afe); - mt8195_afe_parse_of(afe, pdev->dev.of_node); + afe_priv->topckgen = syscon_regmap_lookup_by_phandle(dev->of_node, "mediatek,topckgen"); + if (IS_ERR(afe_priv->topckgen)) + dev_dbg(afe->dev, "Cannot find topckgen controller: %ld\n", + PTR_ERR(afe_priv->topckgen)); pm_runtime_enable(dev); if (!pm_runtime_enabled(dev)) { @@ -3236,7 +3217,10 @@ static int mt8195_afe_pcm_dev_probe(struct platform_device *pdev) goto err_pm_put; } - mt8195_afe_init_registers(afe); + ret = regmap_multi_reg_write(afe->regmap, mt8195_afe_reg_defaults, + ARRAY_SIZE(mt8195_afe_reg_defaults)); + if (ret) + goto err_pm_put; pm_runtime_put_sync(dev); afe_priv->pm_runtime_bypass_reg_ctl = false; From 2ca0ec01d49c9c2742c2151ae94c94bdf36bb1b8 Mon Sep 17 00:00:00 2001 From: AngeloGioacchino Del Regno Date: Wed, 3 May 2023 13:34:11 +0200 Subject: [PATCH 4/5] ASoC: mediatek: mt8195-afe-pcm: Simplify runtime PM during probe Use devm_pm_runtime_enable() and pm_runtime_resume_and_get() to to simplify the probe function. Signed-off-by: AngeloGioacchino Del Regno dev, "Cannot find topckgen controller: %ld\n", PTR_ERR(afe_priv->topckgen)); - pm_runtime_enable(dev); - if (!pm_runtime_enabled(dev)) { - ret = mt8195_afe_runtime_resume(dev); - if (ret) - return ret; - } - /* enable clock for regcache get default value from hw */ afe_priv->pm_runtime_bypass_reg_ctl = true; - pm_runtime_get_sync(dev); + + ret = devm_pm_runtime_enable(dev); + if (ret) + return ret; + + ret = pm_runtime_resume_and_get(dev); + if (ret) + return dev_err_probe(dev, ret, "Failed to resume device\n"); afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr, &mt8195_afe_regmap_config); @@ -3222,7 +3222,10 @@ static int mt8195_afe_pcm_dev_probe(struct platform_device *pdev) if (ret) goto err_pm_put; - pm_runtime_put_sync(dev); + ret = pm_runtime_put_sync(dev); + if (ret) + return dev_err_probe(dev, ret, "Failed to suspend device\n"); + afe_priv->pm_runtime_bypass_reg_ctl = false; regcache_cache_only(afe->regmap, true); @@ -3232,7 +3235,6 @@ static int mt8195_afe_pcm_dev_probe(struct platform_device *pdev) err_pm_put: pm_runtime_put_sync(dev); - pm_runtime_disable(dev); return ret; } From 863da1c17616e45f1472370892b6c925cee27e24 Mon Sep 17 00:00:00 2001 From: AngeloGioacchino Del Regno Date: Wed, 3 May 2023 13:34:12 +0200 Subject: [PATCH 5/5] ASoC: mediatek: mt8195-afe-pcm: Simplify with dev_err_probe() Shorten the probe function by switching to dev_err_probe() where possible. Signed-off-by: AngeloGioacchino Del Regno afe_ctrl_lock); @@ -3121,30 +3112,22 @@ static int mt8195_afe_pcm_dev_probe(struct platform_device *pdev) ret = devm_request_irq(dev, irq_id, mt8195_afe_irq_handler, IRQF_TRIGGER_NONE, "asys-isr", (void *)afe); - if (ret) { - dev_err(dev, "could not request_irq for asys-isr\n"); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, "could not request_irq for asys-isr\n"); /* init sub_dais */ INIT_LIST_HEAD(&afe->sub_dais); for (i = 0; i < ARRAY_SIZE(dai_register_cbs); i++) { ret = dai_register_cbs[i](afe); - if (ret) { - dev_warn(dev, "dai register i %d fail, ret %d\n", - i, ret); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, "dai cb%i register fail\n", i); } /* init dai_driver and component_driver */ ret = mtk_afe_combine_sub_dai(afe); - if (ret) { - dev_warn(dev, "mtk_afe_combine_sub_dai fail, ret %d\n", - ret); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, "mtk_afe_combine_sub_dai fail\n"); afe->mtk_afe_hardware = &mt8195_afe_hardware; afe->memif_fs = mt8195_memif_fs;