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Groups > linux.kernel > #1365845
| From | Bjorn Andersson <bjorn.andersson@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 2/5] soc: qcom: smem: Use write-combine remap for SMEM |
| Date | 2016-03-29 06:40 +0200 |
| Message-ID | <rhTBD-Vc-5@gated-at.bofh.it> (permalink) |
| References | <rhTBD-Vc-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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> --- 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
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[PATCH 1/5] soc: qcom: smd: Make callback pass channel reference Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-03-29 06:40 +0200
[PATCH 4/5] soc: qcom: wcnss_ctrl: Make wcnss_ctrl parent the other components Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-03-29 06:40 +0200
Re: [PATCH 4/5] soc: qcom: wcnss_ctrl: Make wcnss_ctrl parent the other components Andy Gross <andy.gross@linaro.org> - 2016-03-31 20:50 +0200
Re: [PATCH 4/5] soc: qcom: wcnss_ctrl: Make wcnss_ctrl parent the other components Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-03-31 21:40 +0200
[PATCH 3/5] dt-binding: Add Qualcomm WCNSS control binding Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-03-29 06:40 +0200
Re: [PATCH 3/5] dt-binding: Add Qualcomm WCNSS control binding Rob Herring <robh@kernel.org> - 2016-03-31 16:30 +0200
Re: [PATCH 3/5] dt-binding: Add Qualcomm WCNSS control binding Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-03-31 19:20 +0200
Re: [PATCH 3/5] dt-binding: Add Qualcomm WCNSS control binding Rob Herring <robh@kernel.org> - 2016-03-31 19:40 +0200
Re: [PATCH 3/5] dt-binding: Add Qualcomm WCNSS control binding Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-03-31 20:30 +0200
Re: [PATCH 3/5] dt-binding: Add Qualcomm WCNSS control binding Rob Herring <robh@kernel.org> - 2016-03-31 22:50 +0200
Re: [PATCH 3/5] dt-binding: Add Qualcomm WCNSS control binding Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-03-31 23:30 +0200
[PATCH 2/5] soc: qcom: smem: Use write-combine remap for SMEM Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-03-29 06:40 +0200
Re: [PATCH 2/5] soc: qcom: smem: Use write-combine remap for SMEM Andy Gross <andy.gross@linaro.org> - 2016-03-31 20:30 +0200
[PATCH 5/5] ARM: dts: qcom: msm8974: Introduce pronto node Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-03-29 06:40 +0200
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