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-rw-r--r--sound/soc/sof/debug.c226
1 files changed, 0 insertions, 226 deletions
diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c
index 937fe6e11d0d..145fd0d1e166 100644
--- a/sound/soc/sof/debug.c
+++ b/sound/soc/sof/debug.c
@@ -19,221 +19,6 @@
#include "sof-priv.h"
#include "ops.h"
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES)
-#include "sof-probes.h"
-
-/**
- * strsplit_u32 - Split string into sequence of u32 tokens
- * @buf: String to split into tokens.
- * @delim: String containing delimiter characters.
- * @tkns: Returned u32 sequence pointer.
- * @num_tkns: Returned number of tokens obtained.
- */
-static int
-strsplit_u32(char **buf, const char *delim, u32 **tkns, size_t *num_tkns)
-{
- char *s;
- u32 *data, *tmp;
- size_t count = 0;
- size_t cap = 32;
- int ret = 0;
-
- *tkns = NULL;
- *num_tkns = 0;
- data = kcalloc(cap, sizeof(*data), GFP_KERNEL);
- if (!data)
- return -ENOMEM;
-
- while ((s = strsep(buf, delim)) != NULL) {
- ret = kstrtouint(s, 0, data + count);
- if (ret)
- goto exit;
- if (++count >= cap) {
- cap *= 2;
- tmp = krealloc(data, cap * sizeof(*data), GFP_KERNEL);
- if (!tmp) {
- ret = -ENOMEM;
- goto exit;
- }
- data = tmp;
- }
- }
-
- if (!count)
- goto exit;
- *tkns = kmemdup(data, count * sizeof(*data), GFP_KERNEL);
- if (*tkns == NULL) {
- ret = -ENOMEM;
- goto exit;
- }
- *num_tkns = count;
-
-exit:
- kfree(data);
- return ret;
-}
-
-static int tokenize_input(const char __user *from, size_t count,
- loff_t *ppos, u32 **tkns, size_t *num_tkns)
-{
- char *buf;
- int ret;
-
- buf = kmalloc(count + 1, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- ret = simple_write_to_buffer(buf, count, ppos, from, count);
- if (ret != count) {
- ret = ret >= 0 ? -EIO : ret;
- goto exit;
- }
-
- buf[count] = '\0';
- ret = strsplit_u32((char **)&buf, ",", tkns, num_tkns);
-exit:
- kfree(buf);
- return ret;
-}
-
-static ssize_t probe_points_read(struct file *file,
- char __user *to, size_t count, loff_t *ppos)
-{
- struct snd_sof_dfsentry *dfse = file->private_data;
- struct snd_sof_dev *sdev = dfse->sdev;
- struct sof_probe_point_desc *desc;
- size_t num_desc, len = 0;
- char *buf;
- int i, ret;
-
- if (sdev->extractor_stream_tag == SOF_PROBE_INVALID_NODE_ID) {
- dev_warn(sdev->dev, "no extractor stream running\n");
- return -ENOENT;
- }
-
- buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- ret = sof_ipc_probe_points_info(sdev, &desc, &num_desc);
- if (ret < 0)
- goto exit;
-
- for (i = 0; i < num_desc; i++) {
- ret = snprintf(buf + len, PAGE_SIZE - len,
- "Id: %#010x Purpose: %d Node id: %#x\n",
- desc[i].buffer_id, desc[i].purpose, desc[i].stream_tag);
- if (ret < 0)
- goto free_desc;
- len += ret;
- }
-
- ret = simple_read_from_buffer(to, count, ppos, buf, len);
-free_desc:
- kfree(desc);
-exit:
- kfree(buf);
- return ret;
-}
-
-static ssize_t probe_points_write(struct file *file,
- const char __user *from, size_t count, loff_t *ppos)
-{
- struct snd_sof_dfsentry *dfse = file->private_data;
- struct snd_sof_dev *sdev = dfse->sdev;
- struct sof_probe_point_desc *desc;
- size_t num_tkns, bytes;
- u32 *tkns;
- int ret;
-
- if (sdev->extractor_stream_tag == SOF_PROBE_INVALID_NODE_ID) {
- dev_warn(sdev->dev, "no extractor stream running\n");
- return -ENOENT;
- }
-
- ret = tokenize_input(from, count, ppos, &tkns, &num_tkns);
- if (ret < 0)
- return ret;
- bytes = sizeof(*tkns) * num_tkns;
- if (!num_tkns || (bytes % sizeof(*desc))) {
- ret = -EINVAL;
- goto exit;
- }
-
- desc = (struct sof_probe_point_desc *)tkns;
- ret = sof_ipc_probe_points_add(sdev,
- desc, bytes / sizeof(*desc));
- if (!ret)
- ret = count;
-exit:
- kfree(tkns);
- return ret;
-}
-
-static const struct file_operations probe_points_fops = {
- .open = simple_open,
- .read = probe_points_read,
- .write = probe_points_write,
- .llseek = default_llseek,
-};
-
-static ssize_t probe_points_remove_write(struct file *file,
- const char __user *from, size_t count, loff_t *ppos)
-{
- struct snd_sof_dfsentry *dfse = file->private_data;
- struct snd_sof_dev *sdev = dfse->sdev;
- size_t num_tkns;
- u32 *tkns;
- int ret;
-
- if (sdev->extractor_stream_tag == SOF_PROBE_INVALID_NODE_ID) {
- dev_warn(sdev->dev, "no extractor stream running\n");
- return -ENOENT;
- }
-
- ret = tokenize_input(from, count, ppos, &tkns, &num_tkns);
- if (ret < 0)
- return ret;
- if (!num_tkns) {
- ret = -EINVAL;
- goto exit;
- }
-
- ret = sof_ipc_probe_points_remove(sdev, tkns, num_tkns);
- if (!ret)
- ret = count;
-exit:
- kfree(tkns);
- return ret;
-}
-
-static const struct file_operations probe_points_remove_fops = {
- .open = simple_open,
- .write = probe_points_remove_write,
- .llseek = default_llseek,
-};
-
-static int snd_sof_debugfs_probe_item(struct snd_sof_dev *sdev,
- const char *name, mode_t mode,
- const struct file_operations *fops)
-{
- struct snd_sof_dfsentry *dfse;
-
- dfse = devm_kzalloc(sdev->dev, sizeof(*dfse), GFP_KERNEL);
- if (!dfse)
- return -ENOMEM;
-
- dfse->type = SOF_DFSENTRY_TYPE_BUF;
- dfse->sdev = sdev;
-
- debugfs_create_file(name, mode, sdev->debugfs_root, dfse, fops);
- /* add to dfsentry list */
- list_add(&dfse->list, &sdev->dfsentry_list);
-
- return 0;
-}
-#endif
-
static ssize_t sof_dfsentry_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
@@ -569,17 +354,6 @@ int snd_sof_dbg_init(struct snd_sof_dev *sdev)
return err;
}
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES)
- err = snd_sof_debugfs_probe_item(sdev, "probe_points",
- 0644, &probe_points_fops);
- if (err < 0)
- return err;
- err = snd_sof_debugfs_probe_item(sdev, "probe_points_remove",
- 0200, &probe_points_remove_fops);
- if (err < 0)
- return err;
-#endif
-
return 0;
}
EXPORT_SYMBOL_GPL(snd_sof_dbg_init);