Commit 99532fd2 authored by Michael McTernan's avatar Michael McTernan Committed by Bryan Wu

Blackfin arch: add const to some function prototype and struct dma_channel

Signed-off-by: default avatarMichael McTernan <mmcternan@airvana.com>
Signed-off-by: default avatarSonic Zhang <sonic.zhang@analog.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent d642a8ad
......@@ -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);
......
......@@ -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");
......
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