Commit c01cc53d authored by Michael Zoran's avatar Michael Zoran Committed by Greg Kroah-Hartman

staging: vc04_services: setup DMA and coherent mask

VCHI messages between the CPU and firmware use 32-bit
bus addresses. Explicitly set the DMA mask and coherent
on all platforms.
Signed-off-by: default avatarMichael Zoran <mzoran@crowfest.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent dc5424ae
......@@ -97,6 +97,15 @@ int vchiq_platform_init(struct platform_device *pdev, VCHIQ_STATE_T *state)
int slot_mem_size, frag_mem_size;
int err, irq, i;
/*
* VCHI messages between the CPU and firmware use
* 32-bit bus addresses.
*/
err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32));
if (err < 0)
return err;
(void)of_property_read_u32(dev->of_node, "cache-line-size",
&g_cache_line_size);
g_fragments_size = 2 * g_cache_line_size;
......
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