ASoC: SOF: Remove SOF_IPC_EXT_DMA_BUFFER

This enum code, and what's more important, related structures is
unused in whole source code, so it shouldn't be kept.

Signed-off-by: Karol Trzcinski <karolx.trzcinski@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200312200622.24477-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/include/sound/sof/info.h b/include/sound/sof/info.h
index cc3b50b6ae52aa051faaa489b6408f81a82aa309..438a11fcf272b2472f62c08354f87614341ddaa9 100644 (file)
--- a/include/sound/sof/info.h
+++ b/include/sound/sof/info.h
@@ -28,7 +28,7 @@
 
 /* extended data types that can be appended onto end of sof_ipc_fw_ready */
 enum sof_ipc_ext_data {
-       SOF_IPC_EXT_DMA_BUFFER          = 0,
+       SOF_IPC_EXT_UNUSED              = 0,
        SOF_IPC_EXT_WINDOW              = 1,
        SOF_IPC_EXT_CC_INFO             = 2,
 };
@@ -83,22 +83,6 @@ struct sof_ipc_ext_data_hdr {
        uint32_t type;          /**< SOF_IPC_EXT_ */
 } __packed;
 
-struct sof_ipc_dma_buffer_elem {
-       struct sof_ipc_hdr hdr;
-       uint32_t type;          /**< SOF_IPC_REGION_ */
-       uint32_t id;            /**< platform specific - used to map to host memory */
-       struct sof_ipc_host_buffer buffer;
-} __packed;
-
-/* extended data DMA buffers for IPC, trace and debug */
-struct sof_ipc_dma_buffer_data {
-       struct sof_ipc_ext_data_hdr ext_hdr;
-       uint32_t num_buffers;
-
-       /* host files in buffer[n].buffer */
-       struct sof_ipc_dma_buffer_elem buffer[];
-}  __packed;
-
 struct sof_ipc_window_elem {
        struct sof_ipc_hdr hdr;
        uint32_t type;          /**< SOF_IPC_REGION_ */

diff --git a/sound/soc/sof/loader.c b/sound/soc/sof/loader.c
index fc4ab51bacf477325333df26cbfcada989867743..67fc95ace42b501406230eaf65ea2d4e1088bf2c 100644 (file)
--- a/sound/soc/sof/loader.c
+++ b/sound/soc/sof/loader.c
@@ -95,9 +95,6 @@ int snd_sof_fw_parse_ext_data(struct snd_sof_dev *sdev, u32 bar, u32 offset)
 
                /* process structure data */
                switch (ext_hdr->type) {
-               case SOF_IPC_EXT_DMA_BUFFER:
-                       ret = 0;
-                       break;
                case SOF_IPC_EXT_WINDOW:
                        ret = get_ext_windows(sdev, ext_hdr);
                        break;

diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index 5d16f668d16aa79ea90321f60a323756492eddb6..38dce54755a6c986d7dbf225eb512ac3be16ed50 100644 (file)
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -415,7 +415,6 @@ struct snd_sof_dev {
        u32 enabled_cores_mask; /* keep track of enabled cores */
 
        /* FW configuration */
-       struct sof_ipc_dma_buffer_data *info_buffer;
        struct sof_ipc_window *info_window;
 
        /* IPC timeouts in ms */