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| author | Lucas Stach <dev@lynxeye.de> | 2015-03-05 22:50:20 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-03-06 07:53:48 +0100 |
| commit | 59bf5f0b5d3f4d1619a09f3aea7278382d53c3a3 (patch) | |
| tree | 3a6e18646b68375faf6e62dce1406bdbad607f5c /arch | |
| parent | 0ba21609c447e324d6451f1ca2f52287b580c4f9 (diff) | |
| download | barebox-59bf5f0b5d3f4d1619a09f3aea7278382d53c3a3.tar.gz barebox-59bf5f0b5d3f4d1619a09f3aea7278382d53c3a3.tar.xz | |
ARM: bcm2835: mbox: convert to streaming DMA ops
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 <dev@lynxeye.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-bcm2835/mbox.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/arm/mach-bcm2835/mbox.c b/arch/arm/mach-bcm2835/mbox.c index 1a8077182a..9d69bc8ea7 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) { |