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| author | Tony Lindgren <tony@atomide.com> | 2010-03-01 14:19:05 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-03-01 14:19:05 -0800 |
| commit | d702d12167a2c05a346f49aac7a311d597762495 (patch) | |
| tree | baae42c299cce34d6df24b5d01f8b1d0b481bd9a /arch/mips/alchemy/common/dma.c | |
| parent | 9418c65f9bd861d0f7e39aab9cfb3aa6f2275d11 (diff) | |
| parent | ac0f6f927db539e03e1f3f61bcd4ed57d5cde7a9 (diff) | |
| download | linux-d702d12167a2c05a346f49aac7a311d597762495.tar.gz linux-d702d12167a2c05a346f49aac7a311d597762495.tar.bz2 linux-d702d12167a2c05a346f49aac7a311d597762495.zip | |
Merge with mainline to remove plat-omap/Kconfig conflict
Conflicts:
arch/arm/plat-omap/Kconfig
Diffstat (limited to 'arch/mips/alchemy/common/dma.c')
| -rw-r--r-- | arch/mips/alchemy/common/dma.c | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/arch/mips/alchemy/common/dma.c b/arch/mips/alchemy/common/dma.c index d6fbda232e6a..d5278877891d 100644 --- a/arch/mips/alchemy/common/dma.c +++ b/arch/mips/alchemy/common/dma.c @@ -29,6 +29,8 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. * */ + +#include <linux/init.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> @@ -188,17 +190,14 @@ int request_au1000_dma(int dev_id, const char *dev_str, dev = &dma_dev_table[dev_id]; if (irqhandler) { - chan->irq = AU1000_DMA_INT_BASE + i; chan->irq_dev = irq_dev_id; ret = request_irq(chan->irq, irqhandler, irqflags, dev_str, chan->irq_dev); if (ret) { - chan->irq = 0; chan->irq_dev = NULL; return ret; } } else { - chan->irq = 0; chan->irq_dev = NULL; } @@ -226,13 +225,40 @@ void free_au1000_dma(unsigned int dmanr) } disable_dma(dmanr); - if (chan->irq) + if (chan->irq_dev) free_irq(chan->irq, chan->irq_dev); - chan->irq = 0; chan->irq_dev = NULL; chan->dev_id = -1; } EXPORT_SYMBOL(free_au1000_dma); +static int __init au1000_dma_init(void) +{ + int base, i; + + switch (alchemy_get_cputype()) { + case ALCHEMY_CPU_AU1000: + base = AU1000_DMA_INT_BASE; + break; + case ALCHEMY_CPU_AU1500: + base = AU1500_DMA_INT_BASE; + break; + case ALCHEMY_CPU_AU1100: + base = AU1100_DMA_INT_BASE; + break; + default: + goto out; + } + + for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++) + au1000_dma_table[i].irq = base + i; + + printk(KERN_INFO "Alchemy DMA initialized\n"); + +out: + return 0; +} +arch_initcall(au1000_dma_init); + #endif /* AU1000 AU1500 AU1100 */ |