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: Russell King <rmk+kernel@arm.linux.org.uk>
*
* ARM PrimeCell PL110 Color LCD Controller
*/
+#include <linux/dma-mapping.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
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");