diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 20:21:04 +0000 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 20:21:04 +0000 |
commit | 988addf82e4c03739375279de73929580a2d4a6a (patch) | |
tree | 989ae1cd4e264bbad80c65f04480486246e7b9f3 /arch/mips/alchemy/common/dma.c | |
parent | 004c1c7096659d352b83047a7593e91d8a30e3c5 (diff) | |
parent | 25cf84cf377c0aae5dbcf937ea89bc7893db5176 (diff) |
Merge branch 'origin' into devel-stable
Conflicts:
arch/arm/mach-mx2/devices.c
arch/arm/mach-mx2/devices.h
sound/soc/pxa/pxa-ssp.c
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 d6fbda232e6..d5278877891 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 */ |