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author | Mark Brown <broonie@kernel.org> | 2018-09-10 18:55:12 +0100 |
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committer | Mark Brown <broonie@kernel.org> | 2018-09-10 18:55:12 +0100 |
commit | 54a3da1c105ca91c4d32f25c3d9c57a61e9a3467 (patch) | |
tree | 5be69ff9ccab03760f2ae17cbaecbfea0b016087 /sound | |
parent | 1c8bc7b3de5e76cb89aacdc7be1475a028af505f (diff) | |
parent | 90a3b7f8aba3011badacd6d8121e03aa24ac79d1 (diff) | |
download | linux-stable-54a3da1c105ca91c4d32f25c3d9c57a61e9a3467.tar.gz linux-stable-54a3da1c105ca91c4d32f25c3d9c57a61e9a3467.tar.bz2 linux-stable-54a3da1c105ca91c4d32f25c3d9c57a61e9a3467.zip |
Merge branch 'asoc-4.19' into asoc-4.20 Cirrus conflict
Diffstat (limited to 'sound')
-rw-r--r-- | sound/soc/amd/acp-pcm-dma.c | 21 | ||||
-rw-r--r-- | sound/soc/sh/rcar/adg.c | 5 | ||||
-rw-r--r-- | sound/soc/sh/rcar/core.c | 10 | ||||
-rw-r--r-- | sound/soc/sh/rcar/dma.c | 4 |
4 files changed, 39 insertions, 1 deletions
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c index 8f3bc6e37f26..c7e972b17c90 100644 --- a/sound/soc/amd/acp-pcm-dma.c +++ b/sound/soc/amd/acp-pcm-dma.c @@ -16,6 +16,7 @@ #include <linux/module.h> #include <linux/delay.h> #include <linux/io.h> +#include <linux/iopoll.h> #include <linux/sizes.h> #include <linux/pm_runtime.h> @@ -184,6 +185,24 @@ static void config_dma_descriptor_in_sram(void __iomem *acp_mmio, acp_reg_write(descr_info->xfer_val, acp_mmio, mmACP_SRBM_Targ_Idx_Data); } +static void pre_config_reset(void __iomem *acp_mmio, u16 ch_num) +{ + u32 dma_ctrl; + int ret; + + /* clear the reset bit */ + dma_ctrl = acp_reg_read(acp_mmio, mmACP_DMA_CNTL_0 + ch_num); + dma_ctrl &= ~ACP_DMA_CNTL_0__DMAChRst_MASK; + acp_reg_write(dma_ctrl, acp_mmio, mmACP_DMA_CNTL_0 + ch_num); + /* check the reset bit before programming configuration registers */ + ret = readl_poll_timeout(acp_mmio + ((mmACP_DMA_CNTL_0 + ch_num) * 4), + dma_ctrl, + !(dma_ctrl & ACP_DMA_CNTL_0__DMAChRst_MASK), + 100, ACP_DMA_RESET_TIME); + if (ret < 0) + pr_err("Failed to clear reset of channel : %d\n", ch_num); +} + /* * Initialize the DMA descriptor information for transfer between * system memory <-> ACP SRAM @@ -236,6 +255,7 @@ static void set_acp_sysmem_dma_descriptors(void __iomem *acp_mmio, config_dma_descriptor_in_sram(acp_mmio, dma_dscr_idx, &dmadscr[i]); } + pre_config_reset(acp_mmio, ch); config_acp_dma_channel(acp_mmio, ch, dma_dscr_idx - 1, NUM_DSCRS_PER_CHANNEL, @@ -275,6 +295,7 @@ static void set_acp_to_i2s_dma_descriptors(void __iomem *acp_mmio, u32 size, config_dma_descriptor_in_sram(acp_mmio, dma_dscr_idx, &dmadscr[i]); } + pre_config_reset(acp_mmio, ch); /* Configure the DMA channel with the above descriptore */ config_acp_dma_channel(acp_mmio, ch, dma_dscr_idx - 1, NUM_DSCRS_PER_CHANNEL, diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c index b100c44ec3a3..28327dd2c6cb 100644 --- a/sound/soc/sh/rcar/adg.c +++ b/sound/soc/sh/rcar/adg.c @@ -462,6 +462,11 @@ static void rsnd_adg_get_clkout(struct rsnd_priv *priv, goto rsnd_adg_get_clkout_end; req_size = prop->length / sizeof(u32); + if (req_size > REQ_SIZE) { + dev_err(dev, + "too many clock-frequency, use top %d\n", REQ_SIZE); + req_size = REQ_SIZE; + } of_property_read_u32_array(np, "clock-frequency", req_rate, req_size); req_48kHz_rate = 0; diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index e46415c807a0..40d7dc4f7839 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -482,7 +482,7 @@ static int rsnd_status_update(u32 *status, (func_call && (mod)->ops->fn) ? #fn : ""); \ if (func_call && (mod)->ops->fn) \ tmp = (mod)->ops->fn(mod, io, param); \ - if (tmp) \ + if (tmp && (tmp != -EPROBE_DEFER)) \ dev_err(dev, "%s[%d] : %s error %d\n", \ rsnd_mod_name(mod), rsnd_mod_id(mod), \ #fn, tmp); \ @@ -1557,6 +1557,14 @@ exit_snd_probe: rsnd_dai_call(remove, &rdai->capture, priv); } + /* + * adg is very special mod which can't use rsnd_dai_call(remove), + * and it registers ADG clock on probe. + * It should be unregister if probe failed. + * Mainly it is assuming -EPROBE_DEFER case + */ + rsnd_adg_remove(priv); + return ret; } diff --git a/sound/soc/sh/rcar/dma.c b/sound/soc/sh/rcar/dma.c index c19342d18998..0bbc4b0ea2c6 100644 --- a/sound/soc/sh/rcar/dma.c +++ b/sound/soc/sh/rcar/dma.c @@ -241,6 +241,10 @@ static int rsnd_dmaen_attach(struct rsnd_dai_stream *io, /* try to get DMAEngine channel */ chan = rsnd_dmaen_request_channel(io, mod_from, mod_to); if (IS_ERR_OR_NULL(chan)) { + /* Let's follow when -EPROBE_DEFER case */ + if (PTR_ERR(chan) == -EPROBE_DEFER) + return PTR_ERR(chan); + /* * DMA failed. try to PIO mode * see |