[PATCH 2/5] soc: qcom: smem: Use write-combine remap for SMEM

[Bjorn Andersson]

Mapping the SMEM region as write combine makes the contiguous writes
in SMD perform better and also allows us to do unaligned read and writes
on ARM64.

Signed-off-by: Bjorn Andersson <bjorn.anders...@linaro.org>
---
 drivers/soc/qcom/smem.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c
index 19019aa092e8..2e1aa9f130f4 100644
--- a/drivers/soc/qcom/smem.c
+++ b/drivers/soc/qcom/smem.c
@@ -684,8 +684,7 @@ static int qcom_smem_map_memory(struct qcom_smem *smem, 
struct device *dev,
 
        smem->regions[i].aux_base = (u32)r.start;
        smem->regions[i].size = resource_size(&r);
-       smem->regions[i].virt_base = devm_ioremap_nocache(dev, r.start,
-                                                         resource_size(&r));
+       smem->regions[i].virt_base = devm_ioremap_wc(dev, r.start, 
resource_size(&r));
        if (!smem->regions[i].virt_base)
                return -ENOMEM;
 
-- 
2.5.0