Drop patch that was already applied
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Laura Abbott
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@ -1,170 +0,0 @@
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From patchwork Tue Sep 3 13:50:52 2019
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Tue, 03 Sep 2019 06:50:55 -0700 (PDT)
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From: Lee Jones <lee.jones@linaro.org>
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To: agross@kernel.org
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Subject: [PATCH 1/1] soc: qcom: geni: Provide parameter error checking
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Date: Tue, 3 Sep 2019 14:50:52 +0100
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Cc: linux-arm-msm@vger.kernel.org, Lee Jones <lee.jones@linaro.org>,
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When booting with ACPI, the Geni Serial Engine is not set as the I2C/SPI
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parent and thus, the wrapper (parent device) is unassigned. This causes
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the kernel to crash with a null dereference error.
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Fixes: 8bc529b25354 ("soc: qcom: geni: Add support for ACPI")
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Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Reviewed-by: Stephen Boyd <swboyd@chromium.org>
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---
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Since we are already at -rc7 this patch should be processed ASAP - thank you.
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drivers/soc/qcom/qcom-geni-se.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/drivers/soc/qcom/qcom-geni-se.c b/drivers/soc/qcom/qcom-geni-se.c
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index d5cf953b4337..7d622ea1274e 100644
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--- a/drivers/soc/qcom/qcom-geni-se.c
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+++ b/drivers/soc/qcom/qcom-geni-se.c
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@@ -630,6 +630,9 @@ int geni_se_tx_dma_prep(struct geni_se *se, void *buf, size_t len,
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struct geni_wrapper *wrapper = se->wrapper;
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u32 val;
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+ if (!wrapper)
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+ return -EINVAL;
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+
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*iova = dma_map_single(wrapper->dev, buf, len, DMA_TO_DEVICE);
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if (dma_mapping_error(wrapper->dev, *iova))
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return -EIO;
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@@ -663,6 +666,9 @@ int geni_se_rx_dma_prep(struct geni_se *se, void *buf, size_t len,
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struct geni_wrapper *wrapper = se->wrapper;
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u32 val;
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+ if (!wrapper)
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+ return -EINVAL;
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+
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*iova = dma_map_single(wrapper->dev, buf, len, DMA_FROM_DEVICE);
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if (dma_mapping_error(wrapper->dev, *iova))
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return -EIO;
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@ -562,8 +562,6 @@ Patch321: arm64-tegra-Jetson-TX2-Allow-bootloader-to-configure.patch
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# QCom laptop bits
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# https://patchwork.kernel.org/patch/11133827/
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Patch330: arm64-qcom-i2c-geni-Disable-DMA-processing-on-the-Lenovo-Yoga-C630.patch
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# https://patchwork.kernel.org/patch/11127947/
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Patch331: arm64-qcom-soc-geni-Provide-parameter-error-checking.patch
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# https://patchwork.kernel.org/patch/11133293/
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Patch332: arm64-dts-qcom-Add-Lenovo-Yoga-C630.patch
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