[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>
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c
index 8fd5d22..18fc8a8 100644
--- a/arch/blackfin/kernel/bfin_dma_5xx.c
+++ b/arch/blackfin/kernel/bfin_dma_5xx.c
@@ -67,7 +67,7 @@
for (i = 0; i < MAX_BLACKFIN_DMA_CHANNEL; i++) {
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));
}
/* Mark MEMDMA Channel 0 as requested since we're using it internally */
diff --git a/arch/blackfin/mach-bf527/dma.c b/arch/blackfin/mach-bf527/dma.c
index 0a82b15..dfd080c 100644
--- a/arch/blackfin/mach-bf527/dma.c
+++ b/arch/blackfin/mach-bf527/dma.c
@@ -31,7 +31,7 @@
#include <asm/blackfin.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 *) DMA1_NEXT_DESC_PTR,
(struct dma_register *) DMA2_NEXT_DESC_PTR,
@@ -49,7 +49,7 @@
(struct dma_register *) MDMA_D1_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)
{
diff --git a/arch/blackfin/mach-bf533/dma.c b/arch/blackfin/mach-bf533/dma.c
index 8d80efc..28655c1 100644
--- a/arch/blackfin/mach-bf533/dma.c
+++ b/arch/blackfin/mach-bf533/dma.c
@@ -31,7 +31,7 @@
#include <asm/blackfin.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 *) DMA1_NEXT_DESC_PTR,
(struct dma_register *) DMA2_NEXT_DESC_PTR,
@@ -45,7 +45,7 @@
(struct dma_register *) MDMA_D1_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)
{
diff --git a/arch/blackfin/mach-bf537/dma.c b/arch/blackfin/mach-bf537/dma.c
index 992b19f..4edb363 100644
--- a/arch/blackfin/mach-bf537/dma.c
+++ b/arch/blackfin/mach-bf537/dma.c
@@ -31,7 +31,7 @@
#include <asm/blackfin.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 *) DMA1_NEXT_DESC_PTR,
(struct dma_register *) DMA2_NEXT_DESC_PTR,
@@ -49,7 +49,7 @@
(struct dma_register *) MDMA_D1_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)
{
diff --git a/arch/blackfin/mach-bf548/dma.c b/arch/blackfin/mach-bf548/dma.c
index e78a883..74730eb 100644
--- a/arch/blackfin/mach-bf548/dma.c
+++ b/arch/blackfin/mach-bf548/dma.c
@@ -32,7 +32,7 @@
#include <asm/blackfin.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 *) DMA1_NEXT_DESC_PTR,
(struct dma_register *) DMA2_NEXT_DESC_PTR,
@@ -66,7 +66,7 @@
(struct dma_register *) MDMA_D3_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)
{
diff --git a/arch/blackfin/mach-bf561/dma.c b/arch/blackfin/mach-bf561/dma.c
index 9863ae4..24415eb 100644
--- a/arch/blackfin/mach-bf561/dma.c
+++ b/arch/blackfin/mach-bf561/dma.c
@@ -31,7 +31,7 @@
#include <asm/blackfin.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_1_NEXT_DESC_PTR,
(struct dma_register *) DMA1_2_NEXT_DESC_PTR,
@@ -69,7 +69,7 @@
(struct dma_register *) IMDMA_D1_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)
{
diff --git a/include/asm-blackfin/dma.h b/include/asm-blackfin/dma.h
index 16d4935..c0d5259 100644
--- a/include/asm-blackfin/dma.h
+++ b/include/asm-blackfin/dma.h
@@ -191,4 +191,7 @@
void *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
diff --git a/include/asm-blackfin/mach-bf527/dma.h b/include/asm-blackfin/mach-bf527/dma.h
index 2dfee12..49dd693 100644
--- a/include/asm-blackfin/mach-bf527/dma.h
+++ b/include/asm-blackfin/mach-bf527/dma.h
@@ -59,7 +59,4 @@
#define CH_NFC CH_EMAC_TX /* PPI receive/transmit or NFC */
#endif
-extern int channel2irq(unsigned int channel);
-extern struct dma_register *base_addr[];
-
#endif
diff --git a/include/asm-blackfin/mach-bf533/dma.h b/include/asm-blackfin/mach-bf533/dma.h
index 16c672c..bd9d5e9 100644
--- a/include/asm-blackfin/mach-bf533/dma.h
+++ b/include/asm-blackfin/mach-bf533/dma.h
@@ -51,7 +51,4 @@
#define CH_MEM_STREAM1_DEST 10 /* TX */
#define CH_MEM_STREAM1_SRC 11 /* RX */
-extern int channel2irq(unsigned int channel);
-extern struct dma_register *base_addr[];
-
#endif
diff --git a/include/asm-blackfin/mach-bf537/dma.h b/include/asm-blackfin/mach-bf537/dma.h
index 0219919..7a96404 100644
--- a/include/asm-blackfin/mach-bf537/dma.h
+++ b/include/asm-blackfin/mach-bf537/dma.h
@@ -52,7 +52,4 @@
#define CH_MEM_STREAM1_DEST 14 /* TX */
#define CH_MEM_STREAM1_SRC 15 /* RX */
-extern int channel2irq(unsigned int channel);
-extern struct dma_register *base_addr[];
-
#endif
diff --git a/include/asm-blackfin/mach-bf548/dma.h b/include/asm-blackfin/mach-bf548/dma.h
index 46ff31f..36a2ef7 100644
--- a/include/asm-blackfin/mach-bf548/dma.h
+++ b/include/asm-blackfin/mach-bf548/dma.h
@@ -73,6 +73,4 @@
#define MAX_BLACKFIN_DMA_CHANNEL 32
-extern int channel2irq(unsigned int channel);
-extern struct dma_register *base_addr[MAX_BLACKFIN_DMA_CHANNEL];
#endif
diff --git a/include/asm-blackfin/mach-bf561/dma.h b/include/asm-blackfin/mach-bf561/dma.h
index 766334b..21d9820 100644
--- a/include/asm-blackfin/mach-bf561/dma.h
+++ b/include/asm-blackfin/mach-bf561/dma.h
@@ -32,7 +32,4 @@
#define CH_IMEM_STREAM1_SRC 34
#define CH_IMEM_STREAM1_DEST 35
-extern int channel2irq(unsigned int channel);
-extern struct dma_register *base_addr[];
-
#endif
