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Commit afd356df authored by Bjorn Andersson's avatar Bjorn Andersson Committed by Andy Gross
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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: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: default avatarAndy Gross <andy.gross@linaro.org>
Signed-off-by: default avatarAndy Gross <andy.gross@linaro.org>
parent b55b592e

drivers/soc/qcom/smem.c

+1 −2
Original line number Diff line number Diff line
@@ -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;