Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752762AbdLDStl (ORCPT ); Mon, 4 Dec 2017 13:49:41 -0500 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:40234 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752121AbdLDStX (ORCPT ); Mon, 4 Dec 2017 13:49:23 -0500 From: Mark Brown To: Mukunda@sirena.org.uk, Vijendar Cc: Vijendar Mukunda , Mark Brown , broonie@kernel.org, alsa-devel@alsa-project.org, tiwai@suse.de, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, Vijendar Mukunda , Alexander.Deucher@amd.com, alsa-devel@alsa-project.org Subject: Applied "ASoC: amd: added error checks in dma driver" to the asoc tree In-Reply-To: <1512400584-28170-1-git-send-email-Vijendar.Mukunda@amd.com> Message-Id: Date: Mon, 04 Dec 2017 18:49:19 +0000 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4763 Lines: 139 The patch ASoC: amd: added error checks in dma driver has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark >From 7afa535eb107d587b22ffbbbaaeb4a0b87b94496 Mon Sep 17 00:00:00 2001 From: "Mukunda, Vijendar" Date: Mon, 4 Dec 2017 20:46:24 +0530 Subject: [PATCH] ASoC: amd: added error checks in dma driver added additional error checks in acp dma driver v2: printed error codes for acp init & acp deinit failure cases. Signed-off-by: Vijendar Mukunda Signed-off-by: Mark Brown --- sound/soc/amd/acp-pcm-dma.c | 35 ++++++++++++++++++++++++++++++----- 1 file changed, 30 insertions(+), 5 deletions(-) diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c index b5e41df6bb3a..c33a512283a4 100644 --- a/sound/soc/amd/acp-pcm-dma.c +++ b/sound/soc/amd/acp-pcm-dma.c @@ -850,6 +850,9 @@ static snd_pcm_uframes_t acp_dma_pointer(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; struct audio_substream_data *rtd = runtime->private_data; + if (!rtd) + return -EINVAL; + buffersize = frames_to_bytes(runtime, runtime->buffer_size); bytescount = acp_get_byte_count(rtd->acp_mmio, substream->stream); @@ -875,6 +878,8 @@ static int acp_dma_prepare(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; struct audio_substream_data *rtd = runtime->private_data; + if (!rtd) + return -EINVAL; if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { config_acp_dma_channel(rtd->acp_mmio, SYSRAM_TO_ACP_CH_NUM, PLAYBACK_START_DMA_DESCR_CH12, @@ -1091,7 +1096,11 @@ static int acp_audio_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, audio_drv_data); /* Initialize the ACP */ - acp_init(audio_drv_data->acp_mmio, audio_drv_data->asic_type); + status = acp_init(audio_drv_data->acp_mmio, audio_drv_data->asic_type); + if (status) { + dev_err(&pdev->dev, "ACP Init failed status:%d\n", status); + return status; + } status = snd_soc_register_platform(&pdev->dev, &acp_asoc_platform); if (status != 0) { @@ -1108,9 +1117,12 @@ static int acp_audio_probe(struct platform_device *pdev) static int acp_audio_remove(struct platform_device *pdev) { + int status; struct audio_drv_data *adata = dev_get_drvdata(&pdev->dev); - acp_deinit(adata->acp_mmio); + status = acp_deinit(adata->acp_mmio); + if (status) + dev_err(&pdev->dev, "ACP Deinit failed status:%d\n", status); snd_soc_unregister_platform(&pdev->dev); pm_runtime_disable(&pdev->dev); @@ -1120,9 +1132,14 @@ static int acp_audio_remove(struct platform_device *pdev) static int acp_pcm_resume(struct device *dev) { u16 bank; + int status; struct audio_drv_data *adata = dev_get_drvdata(dev); - acp_init(adata->acp_mmio, adata->asic_type); + status = acp_init(adata->acp_mmio, adata->asic_type); + if (status) { + dev_err(dev, "ACP Init failed status:%d\n", status); + return status; + } if (adata->play_stream && adata->play_stream->runtime) { /* For Stoney, Memory gating is disabled,i.e SRAM Banks @@ -1154,18 +1171,26 @@ static int acp_pcm_resume(struct device *dev) static int acp_pcm_runtime_suspend(struct device *dev) { + int status; struct audio_drv_data *adata = dev_get_drvdata(dev); - acp_deinit(adata->acp_mmio); + status = acp_deinit(adata->acp_mmio); + if (status) + dev_err(dev, "ACP Deinit failed status:%d\n", status); acp_reg_write(0, adata->acp_mmio, mmACP_EXTERNAL_INTR_ENB); return 0; } static int acp_pcm_runtime_resume(struct device *dev) { + int status; struct audio_drv_data *adata = dev_get_drvdata(dev); - acp_init(adata->acp_mmio, adata->asic_type); + status = acp_init(adata->acp_mmio, adata->asic_type); + if (status) { + dev_err(dev, "ACP Init failed status:%d\n", status); + return status; + } acp_reg_write(1, adata->acp_mmio, mmACP_EXTERNAL_INTR_ENB); return 0; } -- 2.15.0