Merge branch 'asoc-4.19' into asoc-4.20 Cirrus conflict

5 files changed, 40 insertions, 3 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 161b26e05732..d3814c46d60a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -13432,9 +13432,8 @@ F:	drivers/i2c/busses/i2c-synquacer.c
 F:      Documentation/devicetree/bindings/i2c/i2c-synquacer.txt
 
 SOCIONEXT UNIPHIER SOUND DRIVER
-M:      Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>
 L:      alsa-devel@alsa-project.org (moderated for non-subscribers)
-S:      Maintained
+S:      Orphan
 F:      sound/soc/uniphier/
 
 SOEKRIS NET48XX LED SUPPORT
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