Move to the common streaming DMA ops in order to get rid of the direct usage of the ARM MMU functions for the cache maintenance.
Signed-off-by: Lucas Stach <[email protected]> --- arch/arm/mach-bcm2835/mbox.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-bcm2835/mbox.c b/arch/arm/mach-bcm2835/mbox.c index 1a80771..9d69bc8 100644 --- a/arch/arm/mach-bcm2835/mbox.c +++ b/arch/arm/mach-bcm2835/mbox.c @@ -7,9 +7,9 @@ */ #include <asm/io.h> -#include <asm/mmu.h> #include <common.h> #include <clock.h> +#include <dma.h> #include <mach/mbox.h> @@ -55,7 +55,8 @@ static int bcm2835_mbox_call_raw(u32 chan, struct bcm2835_mbox_hdr *buffer, /* Send the request */ val = BCM2835_MBOX_PACK(chan, send); debug("mbox: TX raw: 0x%08x\n", val); - dma_flush_range(send, send + buffer->buf_size); + dma_sync_single_for_device((unsigned long)send, buffer->buf_size, + DMA_BIDIRECTIONAL); writel(val, ®s->write); /* Wait for the response */ @@ -72,7 +73,8 @@ static int bcm2835_mbox_call_raw(u32 chan, struct bcm2835_mbox_hdr *buffer, /* Read the response */ val = readl(®s->read); debug("mbox: RX raw: 0x%08x\n", val); - dma_inv_range(send, send + buffer->buf_size); + dma_sync_single_for_cpu((unsigned long)send, buffer->buf_size, + DMA_BIDIRECTIONAL); /* Validate the response */ if (BCM2835_MBOX_UNPACK_CHAN(val) != chan) { -- 2.1.0 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
