From: Michael McTernan Date: Wed, 7 Jan 2009 15:14:38 +0000 (+0800) Subject: Blackfin arch: add const to some function prototype and struct dma_channel X-Git-Tag: v3.12-rc1~16487^2~75 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=99532fd2a0955e609c53b587b4df79ae40b4a6c7;p=kernel%2Fkernel-generic.git Blackfin arch: add const to some function prototype and struct dma_channel Signed-off-by: Michael McTernan Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- diff --git a/arch/blackfin/include/asm/dma.h b/arch/blackfin/include/asm/dma.h index 9befcba..3aa4dd3 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 2625aa2..22bce17 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");