diff options
| author |   Michael McTernan <mmcternan@airvana.com> | 2009-01-07 23:14:38 +0800 |
|---|---|---|
| committer |   Bryan Wu <cooloney@kernel.org> | 2009-01-07 23:14:38 +0800 |
| commit | 99532fd2a0955e609c53b587b4df79ae40b4a6c7 (patch) | |
| tree | 9423cd0a457c86c1dfc3a0db670ca03e124e1deb /arch | |
| parent | Blackfin arch: implement support for /proc/dma (diff) | |
| download | linux-dev-99532fd2a0955e609c53b587b4df79ae40b4a6c7.tar.xz linux-dev-99532fd2a0955e609c53b587b4df79ae40b4a6c7.zip | |
Blackfin arch: add const to some function prototype and struct dma_channel
Signed-off-by: Michael McTernan <mmcternan@airvana.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | arch/blackfin/include/asm/dma.h | 4 | ||||
| -rw-r--r-- | arch/blackfin/kernel/bfin_dma_5xx.c | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/blackfin/include/asm/dma.h b/arch/blackfin/include/asm/dma.h index 9befcbae00b9..3aa4dd3e5fe8 100644 --- a/arch/blackfin/include/asm/dma.h +++ b/arch/blackfin/include/asm/dma.h @@ -135,7 +135,7 @@ typedef irqreturn_t(*dma_interrupt_t) (int irq, void *dev_id); struct dma_channel { struct mutex dmalock; - char *device_id; + const char *device_id; enum dma_chan_status chan_status; struct dma_register *regs; struct dmasg *sg; /* large mode descriptor */ @@ -191,7 +191,7 @@ void free_dma(unsigned int channel); int dma_channel_active(unsigned int channel); /* check if a channel is in use */ void disable_dma(unsigned int channel); void enable_dma(unsigned int channel); -int request_dma(unsigned int channel, char *device_id); +int request_dma(unsigned int channel, const char *device_id); int set_dma_callback(unsigned int channel, dma_interrupt_t callback, void *data); void dma_disable_irq(unsigned int channel); diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c index 2625aa20a92c..22bce17bbb02 100644 --- a/arch/blackfin/kernel/bfin_dma_5xx.c +++ b/arch/blackfin/kernel/bfin_dma_5xx.c @@ -116,7 +116,7 @@ late_initcall(proc_dma_init); /*------------------------------------------------------------------------------ * Request the specific DMA channel from the system. *-----------------------------------------------------------------------------*/ -int request_dma(unsigned int channel, char *device_id) +int request_dma(unsigned int channel, const char *device_id) { pr_debug("request_dma() : BEGIN \n"); |