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soc: qcom: smem: Use write-combine remap for SMEM 

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.andersson@linaro.org>
Reviewed-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
This commit is contained in:
Bjorn Andersson 2016-03-28 21:35:23 -07:00 committed by Andy Gross
parent b55b592ee3
commit afd356dfb3
1 changed files with 1 additions and 2 deletions
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3
drivers/soc/qcom/smem.c
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@ -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;