diff options
| -rw-r--r-- | arch/arm/mach-omap1/dma.c | 18 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/dma.c | 21 | ||||
| -rw-r--r-- | drivers/dma/omap-dma.c | 20 |
3 files changed, 36 insertions, 23 deletions
diff --git a/arch/arm/mach-omap1/dma.c b/arch/arm/mach-omap1/dma.c index e190611e4b46..1a4e887f028d 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); @@ -380,8 +386,16 @@ 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: diff --git a/arch/arm/mach-omap2/dma.c b/arch/arm/mach-omap2/dma.c index e034ab69a046..5cd8d7668bec 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); diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c index 5a31264f2bd1..c4b4fd2acc42 100644 --- a/drivers/dma/omap-dma.c +++ b/drivers/dma/omap-dma.c @@ -661,32 +661,14 @@ bool omap_dma_filter_fn(struct dma_chan *chan, void *param) } EXPORT_SYMBOL_GPL(omap_dma_filter_fn); -static struct platform_device *pdev; - -static const struct platform_device_info omap_dma_dev_info = { - .name = "omap-dma-engine", - .id = -1, - .dma_mask = DMA_BIT_MASK(32), -}; - static int omap_dma_init(void) { - int rc = platform_driver_register(&omap_dma_driver); - - if (rc == 0) { - pdev = platform_device_register_full(&omap_dma_dev_info); - if (IS_ERR(pdev)) { - platform_driver_unregister(&omap_dma_driver); - rc = PTR_ERR(pdev); - } - } - return rc; + return platform_driver_register(&omap_dma_driver); } subsys_initcall(omap_dma_init); static void __exit omap_dma_exit(void) { - platform_device_unregister(pdev); platform_driver_unregister(&omap_dma_driver); } module_exit(omap_dma_exit); |