[PATCH 1/9] usb: xhci-mtk: use dma_set_mask_and_coherent() in probe function
From: Chunfeng Yun <hidden>
Date: 2017-09-27 09:23:23
Also in:
linux-arm-kernel, linux-mediatek, lkml
Subsystem:
mediatek usb3 drd ip driver, the rest, usb subsystem, usb xhci driver · Maintainers:
Chunfeng Yun, Linus Torvalds, Greg Kroah-Hartman, Mathias Nyman
This patch uses the simpler dma_set_mask_and_coherent() instead of doing these as separate steps Signed-off-by: Chunfeng Yun <chunfeng.yun-NuS5LvNUpcJWk0Htik3J/w@public.gmane.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 8fb6065..c197a6d 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;
--
1.7.9.5