[PATCH 2/3] Display a DMA error message
From: arnd@arndb.de (Arnd Bergmann)
Date: 2015-08-14 21:19:46
Also in:
linux-acpi
From: arnd@arndb.de (Arnd Bergmann)
Date: 2015-08-14 21:19:46
Also in:
linux-acpi
On Wednesday 12 August 2015 16:51:29 Jeremy Linton wrote:
diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index 2593def..82e396f 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c@@ -162,8 +162,10 @@ static int ehci_platform_probe(struct platform_device *dev) err = dma_coerce_mask_and_coherent(&dev->dev, pdata->dma_mask_64 ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32)); - if (err) + if (err) { + dev_err(&dev->dev, "Error: DMA setup failed\n"); return err; + }
We should really stop doing this: the platform should provide the correct dma mask when creating the device, instead of setting a bogus pdata field. Do not duplicate this bug for ACPI. Arnd