Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 17f69b5f authored by Jeremy Linton's avatar Jeremy Linton Committed by Greg Kroah-Hartman
Browse files

USB: ehci-platform: Display a DMA configuration error message 



If the ehci driver fails to configure the dma settings then display
a dev error instead of simply failing. This is triggered in an
ACPI world if the user fails to set the _CCA on the device.

Tested-by: default avatarHuang Shijie <shijie.huang@arm.com>
Reviewed-by: default avatarGraeme Gregory <graeme.gregory@linaro.org>
Reviewed-by: default avatarHanjun Guo <hanjun.guo@linaro.org>
Acked-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarJeremy Linton <jeremy.linton@arm.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 39047e07

drivers/usb/host/ehci-platform.c

+3 −1
Original line number Diff line number Diff line
@@ -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 mask configuration failed\n");

		return err;

	}



	irq = platform_get_irq(dev, 0);

	if (irq < 0) {