diff options
Diffstat (limited to 'drivers/soc/qcom/smem.c')
| -rw-r--r-- | drivers/soc/qcom/smem.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c index e4411771f482..592819701809 100644 --- a/drivers/soc/qcom/smem.c +++ b/drivers/soc/qcom/smem.c @@ -499,6 +499,8 @@ static int qcom_smem_alloc_global(struct qcom_smem *smem, * * Allocate space for a given smem item of size @size, given that the item is * not yet allocated. + * + * Return: 0 on success, negative errno on failure. */ int qcom_smem_alloc(unsigned host, unsigned item, size_t size) { @@ -677,6 +679,8 @@ invalid_canary: * * Looks up smem item and returns pointer to it. Size of smem * item is returned in @size. + * + * Return: a pointer to an SMEM item on success, ERR_PTR() on failure. */ void *qcom_smem_get(unsigned host, unsigned item, size_t *size) { @@ -709,6 +713,8 @@ EXPORT_SYMBOL_GPL(qcom_smem_get); * * To be used by smem clients as a quick way to determine if any new * allocations has been made. + * + * Return: number of available bytes on success, negative errno on failure. */ int qcom_smem_get_free_space(unsigned host) { @@ -758,7 +764,7 @@ static bool addr_in_range(void __iomem *base, size_t size, void *addr) * with an smem item pointer (previously returned by qcom_smem_get() * @p: the virtual address to convert * - * Returns 0 if the pointer provided is not within any smem region. + * Return: physical address of the SMEM item (if found), 0 otherwise */ phys_addr_t qcom_smem_virt_to_phys(void *p) { @@ -1180,11 +1186,9 @@ static int qcom_smem_probe(struct platform_device *pdev) } hwlock_id = of_hwspin_lock_get_id(pdev->dev.of_node, 0); - if (hwlock_id < 0) { - if (hwlock_id != -EPROBE_DEFER) - dev_err(&pdev->dev, "failed to retrieve hwlock\n"); - return hwlock_id; - } + if (hwlock_id < 0) + return dev_err_probe(&pdev->dev, hwlock_id, + "failed to retrieve hwlock\n"); smem->hwlock = hwspin_lock_request_specific(hwlock_id); if (!smem->hwlock) @@ -1251,7 +1255,7 @@ MODULE_DEVICE_TABLE(of, qcom_smem_of_match); static struct platform_driver qcom_smem_driver = { .probe = qcom_smem_probe, - .remove_new = qcom_smem_remove, + .remove = qcom_smem_remove, .driver = { .name = "qcom-smem", .of_match_table = qcom_smem_of_match, |