diff options
| author | Stephen Warren <swarren@wwwdotorg.org> | 2015-04-06 20:28:39 -0600 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2015-04-14 05:47:59 +0200 |
| commit | 122426d46e31391480c4b83b1003e4feca24d491 (patch) | |
| tree | 13e8f29f3420e4454a5cb85bd15701d1d4ca9776 /arch/arm/mach-bcm283x | |
| parent | 4748cce57345a23dbbc990a28ca9d97952432c4f (diff) | |
ARM: bcm2835: use phys_to_bus() for mbox
When we communicate with the VideoCore to perform property mailbox
transactions, that is a DMA operation as far as the property buffer
is concerned. Use phys_to_bus() on that buffer.
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Diffstat (limited to 'arch/arm/mach-bcm283x')
| -rw-r--r-- | arch/arm/mach-bcm283x/mbox.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm/mach-bcm283x/mbox.c b/arch/arm/mach-bcm283x/mbox.c index 3b17a31eac..1af9be78c6 100644 --- a/arch/arm/mach-bcm283x/mbox.c +++ b/arch/arm/mach-bcm283x/mbox.c @@ -7,6 +7,7 @@ #include <common.h> #include <asm/io.h> #include <asm/arch/mbox.h> +#include <phys2bus.h> #define TIMEOUT 1000 /* ms */ @@ -110,10 +111,10 @@ int bcm2835_mbox_call_prop(u32 chan, struct bcm2835_mbox_hdr *buffer) dump_buf(buffer); #endif - ret = bcm2835_mbox_call_raw(chan, (u32)buffer, &rbuffer); + ret = bcm2835_mbox_call_raw(chan, phys_to_bus((u32)buffer), &rbuffer); if (ret) return ret; - if (rbuffer != (u32)buffer) { + if (rbuffer != phys_to_bus((u32)buffer)) { printf("mbox: Response buffer mismatch\n"); return -1; } |