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

Commit e0a8ba25 authored by Russell King's avatar Russell King
Browse files

DMA-API: video: clcd: add dma_set_mask_and_coherent() call 



The DMA API requires drivers to call the appropriate dma_set_mask()
functions before doing any DMA mapping.  Add this required call to
the AMBA PL08x driver.

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 64113016

drivers/video/amba-clcd.c

+5 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ 
 *

 *  ARM PrimeCell PL110 Color LCD Controller

 */

#include <linux/dma-mapping.h>

#include <linux/module.h>

#include <linux/kernel.h>

#include <linux/errno.h>
@@ -551,6 +552,10 @@ static int clcdfb_probe(struct amba_device *dev, const struct amba_id *id) 
	if (!board)

		return -EINVAL;



	ret = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32));

	if (ret)

		goto out;



	ret = amba_request_regions(dev, NULL);

	if (ret) {

		printk(KERN_ERR "CLCD: unable to reserve regs region\n");