From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
Let's use the new SCM memory allocator to obtain a buffer for this call
instead of using dma_alloc_coherent().
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
---
drivers/firmware/qcom/qcom_scm.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c
index c0eb81069847..41095bf1d4d7 100644
--- a/drivers/firmware/qcom/qcom_scm.c
+++ b/drivers/firmware/qcom/qcom_scm.c
@@ -1314,8 +1314,6 @@ EXPORT_SYMBOL_GPL(qcom_scm_lmh_profile_change);
int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val,
u64 limit_node, u32 node_id, u64 version)
{
- dma_addr_t payload_phys;
- u32 *payload_buf;
int ret, payload_size = 5 * sizeof(u32);
struct qcom_scm_desc desc = {
@@ -1330,7 +1328,8 @@ int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val,
.owner = ARM_SMCCC_OWNER_SIP,
};
- payload_buf = dma_alloc_coherent(__scm->dev, payload_size, &payload_phys, GFP_KERNEL);
+ u32 *payload_buf __free(qcom_scm_mem) =
+ qcom_scm_mem_alloc(payload_size, GFP_KERNEL);
if (!payload_buf)
return -ENOMEM;
@@ -1340,11 +1339,10 @@ int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val,
payload_buf[3] = 1;
payload_buf[4] = payload_val;
- desc.args[0] = payload_phys;
+ desc.args[0] = qcom_scm_mem_to_phys(payload_buf);
ret = qcom_scm_call(__scm->dev, &desc, NULL);
- dma_free_coherent(__scm->dev, payload_size, payload_buf, payload_phys);
return ret;
}
EXPORT_SYMBOL_GPL(qcom_scm_lmh_dcvsh);
--
2.39.2
