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

Commit 4ffb4318 authored by Russell King's avatar Russell King
Browse files

DMA-API: usb: ohci-sa1111: add a note about DMA masks 



Add a comment to explain why this driver doesn't call any of the DMA
API dma_set_mask() functions.

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent e0a8ba25

drivers/usb/host/ohci-sa1111.c

+6 −0
Original line number Original line Diff line number Diff line
@@ -185,6 +185,12 @@ static int ohci_hcd_sa1111_probe(struct sa1111_dev *dev) 
	if (usb_disabled())

	if (usb_disabled())

		return -ENODEV;

		return -ENODEV;





	/*

	 * We don't call dma_set_mask_and_coherent() here because the

	 * DMA mask has already been appropraitely setup by the core

	 * SA-1111 bus code (which includes bug workarounds.)

	 */



	hcd = usb_create_hcd(&ohci_sa1111_hc_driver, &dev->dev, "sa1111");

	hcd = usb_create_hcd(&ohci_sa1111_hc_driver, &dev->dev, "sa1111");

	if (!hcd)

	if (!hcd)

		return -ENOMEM;

		return -ENOMEM;