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soc: qcom: cmd-db: drop unused functions

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Due to our simpler rpmh-rsc driver and lack of debugfs, we don't need
quite a few cmd-db functions, just drop them.

Acked-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
This commit is contained in:
Caleb Connolly
2024-07-26 01:28:10 +02:00
parent 5f791b8118
commit bb991ab7a9
2 changed files with 0 additions and 159 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/soc/qcom/cmd-db.c
-144
View File
@@ -195,148 +195,6 @@ u32 cmd_db_read_addr(const char *id)
}
EXPORT_SYMBOL_GPL(cmd_db_read_addr);
/**
* cmd_db_read_aux_data() - Query command db for aux data.
*
* @id: Resource to retrieve AUX Data on
* @len: size of data buffer returned
*
* Return: pointer to data on success, error pointer otherwise
*/
const void *cmd_db_read_aux_data(const char *id, size_t *len)
{
int ret;
const struct entry_header *ent;
const struct rsc_hdr *rsc_hdr;
ret = cmd_db_get_header(id, &ent, &rsc_hdr);
if (ret)
return ERR_PTR(ret);
if (len)
*len = le16_to_cpu(ent->len);
return rsc_offset(rsc_hdr, ent);
}
EXPORT_SYMBOL_GPL(cmd_db_read_aux_data);
/**
* cmd_db_match_resource_addr() - Compare if both Resource addresses are same
*
* @addr1: Resource address to compare
* @addr2: Resource address to compare
*
* Return: true if two addresses refer to the same resource, false otherwise
*/
bool cmd_db_match_resource_addr(u32 addr1, u32 addr2)
{
/*
* Each RPMh VRM accelerator resource has 3 or 4 contiguous 4-byte
* aligned addresses associated with it. Ignore the offset to check
* for VRM requests.
*/
if (addr1 == addr2)
return true;
else if (SLAVE_ID(addr1) == CMD_DB_HW_VRM && VRM_ADDR(addr1) == VRM_ADDR(addr2))
return true;
return false;
}
EXPORT_SYMBOL_GPL(cmd_db_match_resource_addr);
/**
* cmd_db_read_slave_id - Get the slave ID for a given resource address
*
* @id: Resource id to query the DB for version
*
* Return: cmd_db_hw_type enum on success, CMD_DB_HW_INVALID on error
*/
enum cmd_db_hw_type cmd_db_read_slave_id(const char *id)
{
int ret;
const struct entry_header *ent;
u32 addr;
ret = cmd_db_get_header(id, &ent, NULL);
if (ret < 0)
return CMD_DB_HW_INVALID;
addr = le32_to_cpu(ent->addr);
return (addr >> SLAVE_ID_SHIFT) & SLAVE_ID_MASK;
}
EXPORT_SYMBOL_GPL(cmd_db_read_slave_id);
#ifdef CONFIG_DEBUG_FS
static int cmd_db_debugfs_dump(struct seq_file *seq, void *p)
{
int i, j;
const struct rsc_hdr *rsc;
const struct entry_header *ent;
const char *name;
u16 len, version;
u8 major, minor;
seq_puts(seq, "Command DB DUMP\n");
for (i = 0; i < MAX_SLV_ID; i++) {
rsc = &cmd_db_header->header[i];
if (!rsc->slv_id)
break;
switch (le16_to_cpu(rsc->slv_id)) {
case CMD_DB_HW_ARC:
name = "ARC";
break;
case CMD_DB_HW_VRM:
name = "VRM";
break;
case CMD_DB_HW_BCM:
name = "BCM";
break;
default:
name = "Unknown";
break;
}
version = le16_to_cpu(rsc->version);
major = version >> 8;
minor = version;
seq_printf(seq, "Slave %s (v%u.%u)\n", name, major, minor);
seq_puts(seq, "-------------------------\n");
ent = rsc_to_entry_header(rsc);
for (j = 0; j < le16_to_cpu(rsc->cnt); j++, ent++) {
seq_printf(seq, "0x%05x: %*pEp", le32_to_cpu(ent->addr),
(int)strnlen(ent->id, sizeof(ent->id)), ent->id);
len = le16_to_cpu(ent->len);
if (len) {
seq_printf(seq, " [%*ph]",
len, rsc_offset(rsc, ent));
}
seq_putc(seq, '\n');
}
}
return 0;
}
static int open_cmd_db_debugfs(struct inode *inode, struct file *file)
{
return single_open(file, cmd_db_debugfs_dump, inode->i_private);
}
#endif
static const struct file_operations cmd_db_debugfs_ops = {
#ifdef CONFIG_DEBUG_FS
.open = open_cmd_db_debugfs,
#endif
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int cmd_db_dev_probe(struct platform_device *pdev)
{
struct reserved_mem *rmem;
@@ -360,8 +218,6 @@ static int cmd_db_dev_probe(struct platform_device *pdev)
return -EINVAL;
}
debugfs_create_file("cmd-db", 0400, NULL, NULL, &cmd_db_debugfs_ops);
device_set_pm_not_required(&pdev->dev);
return 0;
include/soc/qcom/cmd-db.h
-15
View File
@@ -22,26 +22,11 @@ enum cmd_db_hw_type {
#if IS_ENABLED(CONFIG_QCOM_COMMAND_DB)
u32 cmd_db_read_addr(const char *resource_id);
const void *cmd_db_read_aux_data(const char *resource_id, size_t *len);
bool cmd_db_match_resource_addr(u32 addr1, u32 addr2);
enum cmd_db_hw_type cmd_db_read_slave_id(const char *resource_id);
int cmd_db_ready(void);
#else
static inline u32 cmd_db_read_addr(const char *resource_id)
{ return 0; }
static inline const void *cmd_db_read_aux_data(const char *resource_id, size_t *len)
{ return ERR_PTR(-ENODEV); }
static inline bool cmd_db_match_resource_addr(u32 addr1, u32 addr2)
{ return false; }
static inline enum cmd_db_hw_type cmd_db_read_slave_id(const char *resource_id)
{ return -ENODEV; }
static inline int cmd_db_ready(void)
{ return -ENODEV; }
#endif /* CONFIG_QCOM_COMMAND_DB */