diff options
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-.patch | 40 |
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 0000000000..70ed474d05 --- /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 + |