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path: root/drivers/firmware/qcom_scm.c
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Diffstat (limited to 'drivers/firmware/qcom_scm.c')
-rw-r--r--drivers/firmware/qcom_scm.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index 059bb0fbae9e..0e7233a20f34 100644
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -6,7 +6,6 @@
#include <linux/init.h>
#include <linux/cpumask.h>
#include <linux/export.h>
-#include <linux/dma-direct.h>
#include <linux/dma-mapping.h>
#include <linux/module.h>
#include <linux/types.h>
@@ -806,8 +805,7 @@ int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
struct qcom_scm_mem_map_info *mem_to_map;
phys_addr_t mem_to_map_phys;
phys_addr_t dest_phys;
- phys_addr_t ptr_phys;
- dma_addr_t ptr_dma;
+ dma_addr_t ptr_phys;
size_t mem_to_map_sz;
size_t dest_sz;
size_t src_sz;
@@ -824,10 +822,9 @@ int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
ptr_sz = ALIGN(src_sz, SZ_64) + ALIGN(mem_to_map_sz, SZ_64) +
ALIGN(dest_sz, SZ_64);
- ptr = dma_alloc_coherent(__scm->dev, ptr_sz, &ptr_dma, GFP_KERNEL);
+ ptr = dma_alloc_coherent(__scm->dev, ptr_sz, &ptr_phys, GFP_KERNEL);
if (!ptr)
return -ENOMEM;
- ptr_phys = dma_to_phys(__scm->dev, ptr_dma);
/* Fill source vmid detail */
src = ptr;
@@ -855,7 +852,7 @@ int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
ret = __qcom_scm_assign_mem(__scm->dev, mem_to_map_phys, mem_to_map_sz,
ptr_phys, src_sz, dest_phys, dest_sz);
- dma_free_coherent(__scm->dev, ptr_sz, ptr, ptr_dma);
+ dma_free_coherent(__scm->dev, ptr_sz, ptr, ptr_phys);
if (ret) {
dev_err(__scm->dev,
"Assign memory protection call failed %d\n", ret);
@@ -943,7 +940,7 @@ bool qcom_scm_hdcp_available(void)
qcom_scm_clk_disable();
- return ret > 0 ? true : false;
+ return ret > 0;
}
EXPORT_SYMBOL(qcom_scm_hdcp_available);