diff options
Diffstat (limited to 'arch/arm/mach-omap1/dma.c')
| -rw-r--r-- | arch/arm/mach-omap1/dma.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/arch/arm/mach-omap1/dma.c b/arch/arm/mach-omap1/dma.c index e190611e4b4..68ab858e27b 100644 --- a/arch/arm/mach-omap1/dma.c +++ b/arch/arm/mach-omap1/dma.c @@ -24,7 +24,7 @@ #include <linux/init.h> #include <linux/device.h> #include <linux/io.h> - +#include <linux/dma-mapping.h> #include <linux/omap-dma.h> #include <mach/tc.h> @@ -270,11 +270,17 @@ static u32 configure_dma_errata(void) return errata; } +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 omap1_system_dma_init(void) { struct omap_system_dma_plat_info *p; struct omap_dma_dev_attr *d; - struct platform_device *pdev; + struct platform_device *pdev, *dma_pdev; int ret; pdev = platform_device_alloc("omap_dma_system", 0); @@ -295,7 +301,7 @@ static int __init omap1_system_dma_init(void) if (ret) { dev_err(&pdev->dev, "%s: Unable to add resources for %s%d\n", __func__, pdev->name, pdev->id); - goto exit_device_put; + goto exit_iounmap; } p = kzalloc(sizeof(struct omap_system_dma_plat_info), GFP_KERNEL); @@ -303,7 +309,7 @@ static int __init omap1_system_dma_init(void) dev_err(&pdev->dev, "%s: Unable to allocate 'p' for %s\n", __func__, pdev->name); ret = -ENOMEM; - goto exit_device_del; + goto exit_iounmap; } d = kzalloc(sizeof(struct omap_dma_dev_attr), GFP_KERNEL); @@ -380,16 +386,24 @@ static int __init omap1_system_dma_init(void) dma_common_ch_start = CPC; dma_common_ch_end = COLOR; + dma_pdev = platform_device_register_full(&omap_dma_dev_info); + if (IS_ERR(dma_pdev)) { + ret = PTR_ERR(dma_pdev); + goto exit_release_pdev; + } + return ret; +exit_release_pdev: + platform_device_del(pdev); exit_release_chan: kfree(d->chan); exit_release_d: kfree(d); exit_release_p: kfree(p); -exit_device_del: - platform_device_del(pdev); +exit_iounmap: + iounmap(dma_base); exit_device_put: platform_device_put(pdev); |