diff options
author | Tony Lindgren <tony@atomide.com> | 2013-01-11 19:24:19 (GMT) |
---|---|---|
committer | Tony Lindgren <tony@atomide.com> | 2013-01-11 19:24:19 (GMT) |
commit | be1f94812c2cc0aaf696d39fe23104763ea52b5b (patch) | |
tree | 2f9789af80ad91ad976a824548c0c2aa4d9b591f /arch/arm/mach-omap2/dma.c | |
parent | a6cf912c6047077a6eb860ed8dbfa342376ee395 (diff) | |
download | linux-be1f94812c2cc0aaf696d39fe23104763ea52b5b.tar.xz |
ARM: OMAP: Fix dmaengine init for multiplatform
Otherwise omap dmaengine will initialized when booted
on other SoCs. Fix this by initializing the platform
device in arch/arm/*omap*/dma.c instead.
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Dan Williams <djbw@fb.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/dma.c')
-rw-r--r-- | arch/arm/mach-omap2/dma.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/dma.c b/arch/arm/mach-omap2/dma.c index e034ab6..5cd8d76 100644 --- a/arch/arm/mach-omap2/dma.c +++ b/arch/arm/mach-omap2/dma.c @@ -27,7 +27,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/device.h> - +#include <linux/dma-mapping.h> #include <linux/omap-dma.h> #include "soc.h" @@ -288,9 +288,26 @@ static int __init omap2_system_dma_init_dev(struct omap_hwmod *oh, void *unused) return 0; } +static const struct platform_device_info omap_dma_dev_info = { + .name = "omap-dma-engine", + .id = -1, + .dma_mask = DMA_BIT_MASK(32), +}; + static int __init omap2_system_dma_init(void) { - return omap_hwmod_for_each_by_class("dma", + struct platform_device *pdev; + int res; + + res = omap_hwmod_for_each_by_class("dma", omap2_system_dma_init_dev, NULL); + if (res) + return res; + + pdev = platform_device_register_full(&omap_dma_dev_info); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + return res; } omap_arch_initcall(omap2_system_dma_init); |