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Merge "soc: qcom: audio: use global lock for single hab socket"

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Linux Build Service Account 2018-10-22 15:22:18 -07:00 • committed by Gerrit - the friendly Code Review server
commit 367b268e6a
1 changed files with 16 additions and 23 deletions
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39
drivers/soc/qcom/qdsp6v2/apr_vm.c
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@ -91,6 +91,7 @@ static uint32_t hab_handle_tx;
static uint32_t hab_handle_rx;
static char apr_tx_buf[APR_TX_BUF_SIZE];
static char apr_rx_buf[APR_RX_BUF_SIZE];
static spinlock_t hab_tx_lock;
/* apr callback thread task */
static struct task_struct *apr_vm_cb_thread_task;
@ -114,8 +115,6 @@ struct apr_svc_table {
* apr handle and store in svc tbl.
*/
static struct mutex m_lock_tbl_qdsp6;
static struct apr_svc_table svc_tbl_qdsp6[] = {
{
.name = "AFE",
@ -206,8 +205,6 @@ static struct apr_svc_table svc_tbl_qdsp6[] = {
},
};
static struct mutex m_lock_tbl_voice;
static struct apr_svc_table svc_tbl_voice[] = {
{
.name = "VSM",
@ -573,10 +570,10 @@ static int apr_vm_get_svc(const char *svc_name, int domain_id, int *client_id,
int i;
int size;
struct apr_svc_table *tbl;
struct mutex *lock;
struct aprv2_vm_cmd_register_rsp_t apr_rsp;
uint32_t apr_len;
int ret = 0;
unsigned long flags;
struct {
uint32_t cmd_id;
struct aprv2_vm_cmd_register_t reg_cmd;
@ -585,14 +582,12 @@ static int apr_vm_get_svc(const char *svc_name, int domain_id, int *client_id,
if (domain_id == APR_DOMAIN_ADSP) {
tbl = svc_tbl_qdsp6;
size = ARRAY_SIZE(svc_tbl_qdsp6);
lock = &m_lock_tbl_qdsp6;
} else {
tbl = svc_tbl_voice;
size = ARRAY_SIZE(svc_tbl_voice);
lock = &m_lock_tbl_voice;
}
mutex_lock(lock);
spin_lock_irqsave(&hab_tx_lock, flags);
for (i = 0; i < size; i++) {
if (!strcmp(svc_name, tbl[i].name)) {
*client_id = tbl[i].client_id;
@ -616,7 +611,8 @@ static int apr_vm_get_svc(const char *svc_name, int domain_id, int *client_id,
if (ret) {
pr_err("%s: habmm_socket_send failed %d\n",
__func__, ret);
mutex_unlock(lock);
spin_unlock_irqrestore(&hab_tx_lock,
flags);
return ret;
}
/* wait for response */
@ -628,14 +624,16 @@ static int apr_vm_get_svc(const char *svc_name, int domain_id, int *client_id,
if (ret) {
pr_err("%s: apr_vm_nb_receive failed %d\n",
__func__, ret);
mutex_unlock(lock);
spin_unlock_irqrestore(&hab_tx_lock,
flags);
return ret;
}
if (apr_rsp.status) {
pr_err("%s: apr_vm_nb_receive status %d\n",
__func__, apr_rsp.status);
ret = apr_rsp.status;
mutex_unlock(lock);
spin_unlock_irqrestore(&hab_tx_lock,
flags);
return ret;
}
/* update svc table */
@ -649,7 +647,7 @@ static int apr_vm_get_svc(const char *svc_name, int domain_id, int *client_id,
break;
}
}
mutex_unlock(lock);
spin_unlock_irqrestore(&hab_tx_lock, flags);
pr_debug("%s: svc_name = %s client_id = %d domain_id = %d\n",
__func__, svc_name, *client_id, domain_id);
@ -669,10 +667,10 @@ static int apr_vm_rel_svc(int domain_id, int svc_id, int handle)
int i;
int size;
struct apr_svc_table *tbl;
struct mutex *lock;
struct aprv2_vm_cmd_deregister_rsp_t apr_rsp;
uint32_t apr_len;
int ret = 0;
unsigned long flags;
struct {
uint32_t cmd_id;
struct aprv2_vm_cmd_deregister_t dereg_cmd;
@ -681,14 +679,12 @@ static int apr_vm_rel_svc(int domain_id, int svc_id, int handle)
if (domain_id == APR_DOMAIN_ADSP) {
tbl = svc_tbl_qdsp6;
size = ARRAY_SIZE(svc_tbl_qdsp6);
lock = &m_lock_tbl_qdsp6;
} else {
tbl = svc_tbl_voice;
size = ARRAY_SIZE(svc_tbl_voice);
lock = &m_lock_tbl_voice;
}
mutex_lock(lock);
spin_lock_irqsave(&hab_tx_lock, flags);
for (i = 0; i < size; i++) {
if (tbl[i].id == svc_id && tbl[i].handle == handle) {
/* need to deregister a service */
@ -728,7 +724,7 @@ static int apr_vm_rel_svc(int domain_id, int svc_id, int handle)
break;
}
}
mutex_unlock(lock);
spin_unlock_irqrestore(&hab_tx_lock, flags);
if (i == size) {
pr_err("%s: APR: Wrong svc id %d handle %d\n",
@ -772,7 +768,7 @@ int apr_send_pkt(void *handle, uint32_t *buf)
return -ENETRESET;
}
spin_lock_irqsave(&svc->w_lock, flags);
spin_lock_irqsave(&hab_tx_lock, flags);
if (!svc->id || !svc->vm_handle) {
pr_err("APR: Still service is not yet opened\n");
ret = -EINVAL;
@ -839,7 +835,7 @@ int apr_send_pkt(void *handle, uint32_t *buf)
ret = hdr->pkt_size;
done:
spin_unlock_irqrestore(&svc->w_lock, flags);
spin_unlock_irqrestore(&hab_tx_lock, flags);
return ret;
}
@ -1173,6 +1169,7 @@ static int __init apr_init(void)
pr_err("%s: habmm_socket_open tx failed %d\n", __func__, ret);
return ret;
}
spin_lock_init(&hab_tx_lock);
ret = habmm_socket_open(&hab_handle_rx,
MM_AUD_2,
@ -1201,15 +1198,11 @@ static int __init apr_init(void)
pr_info("%s: apr_vm_cb_thread started pid %d\n",
__func__, pid);
mutex_init(&m_lock_tbl_qdsp6);
mutex_init(&m_lock_tbl_voice);
for (i = 0; i < APR_DEST_MAX; i++)
for (j = 0; j < APR_CLIENT_MAX; j++) {
mutex_init(&client[i][j].m_lock);
for (k = 0; k < APR_SVC_MAX; k++) {
mutex_init(&client[i][j].svc[k].m_lock);
spin_lock_init(&client[i][j].svc[k].w_lock);
}
}