diff options
| -rw-r--r-- | drivers/soc/qcom/smem.c | 11 | ||||
| -rw-r--r-- | include/linux/soc/qcom/smem.h | 1 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c index 776096b2e965..aa4a199efefb 100644 --- a/drivers/soc/qcom/smem.c +++ b/drivers/soc/qcom/smem.c @@ -359,6 +359,17 @@ static struct qcom_smem *__smem; /* Timeout (ms) for the trylock of remote spinlocks */ #define HWSPINLOCK_TIMEOUT 1000 +/** + * qcom_smem_is_available() - Check if SMEM is available + * + * Return: true if SMEM is available, false otherwise. + */ +bool qcom_smem_is_available(void) +{ + return !!__smem; +} +EXPORT_SYMBOL(qcom_smem_is_available); + static int qcom_smem_alloc_private(struct qcom_smem *smem, struct smem_partition *part, unsigned item, diff --git a/include/linux/soc/qcom/smem.h b/include/linux/soc/qcom/smem.h index 223db6a9c733..a36a3b9d4929 100644 --- a/include/linux/soc/qcom/smem.h +++ b/include/linux/soc/qcom/smem.h @@ -4,6 +4,7 @@ #define QCOM_SMEM_HOST_ANY -1 +bool qcom_smem_is_available(void); int qcom_smem_alloc(unsigned host, unsigned item, size_t size); void *qcom_smem_get(unsigned host, unsigned item, size_t *size); |