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path: root/target/linux/mediatek/patches-4.14/0126-usb-xhci-mtk-use-dma_set_mask_and_coherent-in-probe-.patch
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Diffstat (limited to 'target/linux/mediatek/patches-4.14/0126-usb-xhci-mtk-use-dma_set_mask_and_coherent-in-probe-.patch')
-rw-r--r--target/linux/mediatek/patches-4.14/0126-usb-xhci-mtk-use-dma_set_mask_and_coherent-in-probe-.patch40
1 files changed, 40 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.14/0126-usb-xhci-mtk-use-dma_set_mask_and_coherent-in-probe-.patch b/target/linux/mediatek/patches-4.14/0126-usb-xhci-mtk-use-dma_set_mask_and_coherent-in-probe-.patch
new file mode 100644
index 0000000..70ed474
--- /dev/null
+++ b/target/linux/mediatek/patches-4.14/0126-usb-xhci-mtk-use-dma_set_mask_and_coherent-in-probe-.patch
@@ -0,0 +1,40 @@
+From 9f617ce19c5dab429a539d411204ae220b5b8cd6 Mon Sep 17 00:00:00 2001
+From: Chunfeng Yun <chunfeng.yun@mediatek.com>
+Date: Fri, 13 Oct 2017 16:26:33 +0800
+Subject: [PATCH 126/224] usb: xhci-mtk: use dma_set_mask_and_coherent() in
+ probe function
+
+This patch uses the simpler dma_set_mask_and_coherent() instead of
+doing these as separate steps
+
+Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
+Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ drivers/usb/host/xhci-mtk.c | 7 +------
+ 1 file changed, 1 insertion(+), 6 deletions(-)
+
+diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
+index 8fb60657ed4f..c197a6d9e157 100644
+--- a/drivers/usb/host/xhci-mtk.c
++++ b/drivers/usb/host/xhci-mtk.c
+@@ -606,15 +606,10 @@ static int xhci_mtk_probe(struct platform_device *pdev)
+ }
+
+ /* Initialize dma_mask and coherent_dma_mask to 32-bits */
+- ret = dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
++ ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32));
+ if (ret)
+ goto disable_clk;
+
+- if (!dev->dma_mask)
+- dev->dma_mask = &dev->coherent_dma_mask;
+- else
+- dma_set_mask(dev, DMA_BIT_MASK(32));
+-
+ hcd = usb_create_hcd(driver, dev, dev_name(dev));
+ if (!hcd) {
+ ret = -ENOMEM;
+--
+2.11.0
+