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[Blackfin] arch: Give the DMA base registers a more descriptive name 

The DMA base registers are available in a global named "base_addr" for
every Blackfin variant. Give this a more descriptive name, and remove
duplicate tables from some drivers.

Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Bernd Schmidt 2008-04-24 05:31:18 +08:00 committed by Bryan Wu
parent ac86a97853
commit 7795566495
12 changed files with 14 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/blackfin/kernel/bfin_dma_5xx.c
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@ -67,7 +67,7 @@ static int __init blackfin_dma_init(void)
for (i = 0; i < MAX_BLACKFIN_DMA_CHANNEL; i++) { for (i = 0; i < MAX_BLACKFIN_DMA_CHANNEL; i++) {
dma_ch[i].chan_status = DMA_CHANNEL_FREE; dma_ch[i].chan_status = DMA_CHANNEL_FREE;
dma_ch[i].regs = base_addr[i]; dma_ch[i].regs = dma_io_base_addr[i];
mutex_init(&(dma_ch[i].dmalock)); mutex_init(&(dma_ch[i].dmalock));
} }
/* Mark MEMDMA Channel 0 as requested since we're using it internally */ /* Mark MEMDMA Channel 0 as requested since we're using it internally */

4
arch/blackfin/mach-bf527/dma.c
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@ -31,7 +31,7 @@
#include <asm/blackfin.h> #include <asm/blackfin.h>
#include <asm/dma.h> #include <asm/dma.h>
struct dma_register *base_addr[MAX_BLACKFIN_DMA_CHANNEL] = { struct dma_register *dma_io_base_addr[MAX_BLACKFIN_DMA_CHANNEL] = {
(struct dma_register *) DMA0_NEXT_DESC_PTR, (struct dma_register *) DMA0_NEXT_DESC_PTR,
(struct dma_register *) DMA1_NEXT_DESC_PTR, (struct dma_register *) DMA1_NEXT_DESC_PTR,
(struct dma_register *) DMA2_NEXT_DESC_PTR, (struct dma_register *) DMA2_NEXT_DESC_PTR,
@ -49,7 +49,7 @@ struct dma_register *base_addr[MAX_BLACKFIN_DMA_CHANNEL] = {
(struct dma_register *) MDMA_D1_NEXT_DESC_PTR, (struct dma_register *) MDMA_D1_NEXT_DESC_PTR,
(struct dma_register *) MDMA_S1_NEXT_DESC_PTR, (struct dma_register *) MDMA_S1_NEXT_DESC_PTR,
}; };
EXPORT_SYMBOL(base_addr); EXPORT_SYMBOL(dma_io_base_addr);
int channel2irq(unsigned int channel) int channel2irq(unsigned int channel)
{ {

4
arch/blackfin/mach-bf533/dma.c
View File

@ -31,7 +31,7 @@
#include <asm/blackfin.h> #include <asm/blackfin.h>
#include <asm/dma.h> #include <asm/dma.h>
struct dma_register *base_addr[MAX_BLACKFIN_DMA_CHANNEL] = { struct dma_register *dma_io_base_addr[MAX_BLACKFIN_DMA_CHANNEL] = {
(struct dma_register *) DMA0_NEXT_DESC_PTR, (struct dma_register *) DMA0_NEXT_DESC_PTR,
(struct dma_register *) DMA1_NEXT_DESC_PTR, (struct dma_register *) DMA1_NEXT_DESC_PTR,
(struct dma_register *) DMA2_NEXT_DESC_PTR, (struct dma_register *) DMA2_NEXT_DESC_PTR,
@ -45,7 +45,7 @@ struct dma_register *base_addr[MAX_BLACKFIN_DMA_CHANNEL] = {
(struct dma_register *) MDMA_D1_NEXT_DESC_PTR, (struct dma_register *) MDMA_D1_NEXT_DESC_PTR,
(struct dma_register *) MDMA_S1_NEXT_DESC_PTR, (struct dma_register *) MDMA_S1_NEXT_DESC_PTR,
}; };
EXPORT_SYMBOL(base_addr); EXPORT_SYMBOL(dma_io_base_addr);
int channel2irq(unsigned int channel) int channel2irq(unsigned int channel)
{ {

4
arch/blackfin/mach-bf537/dma.c
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@ -31,7 +31,7 @@
#include <asm/blackfin.h> #include <asm/blackfin.h>
#include <asm/dma.h> #include <asm/dma.h>
struct dma_register *base_addr[MAX_BLACKFIN_DMA_CHANNEL] = { struct dma_register *dma_io_base_addr[MAX_BLACKFIN_DMA_CHANNEL] = {
(struct dma_register *) DMA0_NEXT_DESC_PTR, (struct dma_register *) DMA0_NEXT_DESC_PTR,
(struct dma_register *) DMA1_NEXT_DESC_PTR, (struct dma_register *) DMA1_NEXT_DESC_PTR,
(struct dma_register *) DMA2_NEXT_DESC_PTR, (struct dma_register *) DMA2_NEXT_DESC_PTR,
@ -49,7 +49,7 @@ struct dma_register *base_addr[MAX_BLACKFIN_DMA_CHANNEL] = {
(struct dma_register *) MDMA_D1_NEXT_DESC_PTR, (struct dma_register *) MDMA_D1_NEXT_DESC_PTR,
(struct dma_register *) MDMA_S1_NEXT_DESC_PTR, (struct dma_register *) MDMA_S1_NEXT_DESC_PTR,
}; };
EXPORT_SYMBOL(base_addr); EXPORT_SYMBOL(dma_io_base_addr);
int channel2irq(unsigned int channel) int channel2irq(unsigned int channel)
{ {

4
arch/blackfin/mach-bf548/dma.c
View File

@ -32,7 +32,7 @@
#include <asm/blackfin.h> #include <asm/blackfin.h>
#include <asm/dma.h> #include <asm/dma.h>
struct dma_register *base_addr[MAX_BLACKFIN_DMA_CHANNEL] = { struct dma_register *dma_io_base_addr[MAX_BLACKFIN_DMA_CHANNEL] = {
(struct dma_register *) DMA0_NEXT_DESC_PTR, (struct dma_register *) DMA0_NEXT_DESC_PTR,
(struct dma_register *) DMA1_NEXT_DESC_PTR, (struct dma_register *) DMA1_NEXT_DESC_PTR,
(struct dma_register *) DMA2_NEXT_DESC_PTR, (struct dma_register *) DMA2_NEXT_DESC_PTR,
@ -66,7 +66,7 @@ struct dma_register *base_addr[MAX_BLACKFIN_DMA_CHANNEL] = {
(struct dma_register *) MDMA_D3_NEXT_DESC_PTR, (struct dma_register *) MDMA_D3_NEXT_DESC_PTR,
(struct dma_register *) MDMA_S3_NEXT_DESC_PTR, (struct dma_register *) MDMA_S3_NEXT_DESC_PTR,
}; };
EXPORT_SYMBOL(base_addr); EXPORT_SYMBOL(dma_io_base_addr);
int channel2irq(unsigned int channel) int channel2irq(unsigned int channel)
{ {

4
arch/blackfin/mach-bf561/dma.c
View File

@ -31,7 +31,7 @@
#include <asm/blackfin.h> #include <asm/blackfin.h>
#include <asm/dma.h> #include <asm/dma.h>
struct dma_register *base_addr[MAX_BLACKFIN_DMA_CHANNEL] = { struct dma_register *dma_io_base_addr[MAX_BLACKFIN_DMA_CHANNEL] = {
(struct dma_register *) DMA1_0_NEXT_DESC_PTR, (struct dma_register *) DMA1_0_NEXT_DESC_PTR,
(struct dma_register *) DMA1_1_NEXT_DESC_PTR, (struct dma_register *) DMA1_1_NEXT_DESC_PTR,
(struct dma_register *) DMA1_2_NEXT_DESC_PTR, (struct dma_register *) DMA1_2_NEXT_DESC_PTR,
@ -69,7 +69,7 @@ struct dma_register *base_addr[MAX_BLACKFIN_DMA_CHANNEL] = {
(struct dma_register *) IMDMA_D1_NEXT_DESC_PTR, (struct dma_register *) IMDMA_D1_NEXT_DESC_PTR,
(struct dma_register *) IMDMA_S1_NEXT_DESC_PTR, (struct dma_register *) IMDMA_S1_NEXT_DESC_PTR,
}; };
EXPORT_SYMBOL(base_addr); EXPORT_SYMBOL(dma_io_base_addr);
int channel2irq(unsigned int channel) int channel2irq(unsigned int channel)
{ {

3
include/asm-blackfin/dma.h
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@ -191,4 +191,7 @@ void clear_dma_irqstat(unsigned int channel);
void *dma_memcpy(void *dest, const void *src, size_t count); void *dma_memcpy(void *dest, const void *src, size_t count);
void *safe_dma_memcpy(void *dest, const void *src, size_t count); void *safe_dma_memcpy(void *dest, const void *src, size_t count);
extern int channel2irq(unsigned int channel);
extern struct dma_register *dma_io_base_addr[MAX_BLACKFIN_DMA_CHANNEL];
#endif #endif

3
include/asm-blackfin/mach-bf527/dma.h
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@ -59,7 +59,4 @@
#define CH_NFC CH_EMAC_TX /* PPI receive/transmit or NFC */ #define CH_NFC CH_EMAC_TX /* PPI receive/transmit or NFC */
#endif #endif
extern int channel2irq(unsigned int channel);
extern struct dma_register *base_addr[];
#endif #endif

3
include/asm-blackfin/mach-bf533/dma.h
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@ -51,7 +51,4 @@
#define CH_MEM_STREAM1_DEST 10 /* TX */ #define CH_MEM_STREAM1_DEST 10 /* TX */
#define CH_MEM_STREAM1_SRC 11 /* RX */ #define CH_MEM_STREAM1_SRC 11 /* RX */
extern int channel2irq(unsigned int channel);
extern struct dma_register *base_addr[];
#endif #endif

3
include/asm-blackfin/mach-bf537/dma.h
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@ -52,7 +52,4 @@
#define CH_MEM_STREAM1_DEST 14 /* TX */ #define CH_MEM_STREAM1_DEST 14 /* TX */
#define CH_MEM_STREAM1_SRC 15 /* RX */ #define CH_MEM_STREAM1_SRC 15 /* RX */
extern int channel2irq(unsigned int channel);
extern struct dma_register *base_addr[];
#endif #endif

2
include/asm-blackfin/mach-bf548/dma.h
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@ -73,6 +73,4 @@
#define MAX_BLACKFIN_DMA_CHANNEL 32 #define MAX_BLACKFIN_DMA_CHANNEL 32
extern int channel2irq(unsigned int channel);
extern struct dma_register *base_addr[MAX_BLACKFIN_DMA_CHANNEL];
#endif #endif

3
include/asm-blackfin/mach-bf561/dma.h
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@ -32,7 +32,4 @@
#define CH_IMEM_STREAM1_SRC 34 #define CH_IMEM_STREAM1_SRC 34
#define CH_IMEM_STREAM1_DEST 35 #define CH_IMEM_STREAM1_DEST 35
extern int channel2irq(unsigned int channel);
extern struct dma_register *base_addr[];
#endif #endif