Re: [v4l-dvb-maintainer] [2.6 patch] media/video/cx23885/: cleanups

From: Steven Toth
Date: Mon Nov 05 2007 - 13:13:29 EST


Adrian Bunk wrote:
This patch contains the following cleanups:
- make the following needlessly global code static:
- cx23885-core.c: struct cx23885_sram_channels[]
- cx23885-core.c: struct cx23887_sram_channels[]
- cx23885-core.c: cx23885_wakeup()
- cx23885-core.c: cx23885_sram_channel_setup()
- cx23885-core.c: cx23885_sram_channel_dump()
- cx23885-core.c: cx23885_risc_disasm()
- cx23885-core.c: cx23885_shutdown()
- cx23885-core.c: cx23885_reset()
- cx23885-core.c: cx23885_dev_unregister()
- cx23885-core.c: cx23885_risc_databuffer()
- cx23885-core.c: cx23885_risc_stopper()
- #if 0 the following unused functions:
- cx23885-core.c: cx23885_risc_buffer()
- cx23885-core.c: cx23885_cancel_buffers()
- remove the following unused EXPORT_SYMBOL's:
- cx23885-cards.c: cx23885_boards
- cx23885-i2c.c: cx23885_call_i2c_clients

Signed-off-by: Adrian Bunk <bunk@xxxxxxxxxx>

---

drivers/media/video/cx23885/cx23885-cards.c | 2 drivers/media/video/cx23885/cx23885-core.c | 50 ++++++++++----------
drivers/media/video/cx23885/cx23885-i2c.c | 2 drivers/media/video/cx23885/cx23885.h | 4 -
4 files changed, 27 insertions(+), 31 deletions(-)

23f11be19ad99d0c560955ddf96a3a3bace80721 diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c
index b9012ac..134b931 100644
--- a/drivers/media/video/cx23885/cx23885-cards.c
+++ b/drivers/media/video/cx23885/cx23885-cards.c
@@ -270,8 +270,6 @@ void cx23885_card_setup(struct cx23885_dev *dev)
/* ------------------------------------------------------------------ */
-EXPORT_SYMBOL(cx23885_boards);
-
/*
* Local variables:
* c-basic-offset: 8
diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c
index 3cdd136..0248bf5 100644
--- a/drivers/media/video/cx23885/cx23885-core.c
+++ b/drivers/media/video/cx23885/cx23885-core.c
@@ -73,7 +73,7 @@ static LIST_HEAD(cx23885_devlist);
* 0x00010ea0 0x00010xxx Free
*/
-struct sram_channel cx23885_sram_channels[] = {
+static struct sram_channel cx23885_sram_channels[] = {
[SRAM_CH01] = {
.name = "test ch1",
.cmds_start = 0x10000,
@@ -205,7 +205,7 @@ struct sram_channel cx23885_sram_channels[] = {
* 0x00010ea0 0x00010xxx Free
*/
-struct sram_channel cx23887_sram_channels[] = {
+static struct sram_channel cx23887_sram_channels[] = {
[SRAM_CH01] = {
.name = "test ch1",
.cmds_start = 0x0,
@@ -356,8 +356,8 @@ static int cx23885_risc_decode(u32 risc)
return incr[risc >> 28] ? incr[risc >> 28] : 1;
}
-void cx23885_wakeup(struct cx23885_tsport *port,
- struct cx23885_dmaqueue *q, u32 count)
+static void cx23885_wakeup(struct cx23885_tsport *port,
+ struct cx23885_dmaqueue *q, u32 count)
{
struct cx23885_dev *dev = port->dev;
struct cx23885_buffer *buf;
@@ -391,12 +391,10 @@ void cx23885_wakeup(struct cx23885_tsport *port,
printk("%s: %d buffers handled (should be 1)\n",
__FUNCTION__, bc);
}
-void cx23885_sram_channel_dump(struct cx23885_dev *dev,
- struct sram_channel *ch);
-int cx23885_sram_channel_setup(struct cx23885_dev *dev,
- struct sram_channel *ch,
- unsigned int bpl, u32 risc)
+static int cx23885_sram_channel_setup(struct cx23885_dev *dev,
+ struct sram_channel *ch,
+ unsigned int bpl, u32 risc)
{
unsigned int i, lines;
u32 cdt;
@@ -467,8 +465,8 @@ int cx23885_sram_channel_setup(struct cx23885_dev *dev,
return 0;
}
-void cx23885_sram_channel_dump(struct cx23885_dev *dev,
- struct sram_channel *ch)
+static void cx23885_sram_channel_dump(struct cx23885_dev *dev,
+ struct sram_channel *ch)
{
static char *name[] = {
"init risc lo",
@@ -529,8 +527,8 @@ void cx23885_sram_channel_dump(struct cx23885_dev *dev,
dev->name, cx_read(ch->cnt2_reg));
}
-void cx23885_risc_disasm(struct cx23885_tsport *port,
- struct btcx_riscmem *risc)
+static void cx23885_risc_disasm(struct cx23885_tsport *port,
+ struct btcx_riscmem *risc)
{
struct cx23885_dev *dev = port->dev;
unsigned int i, j, n;
@@ -548,7 +546,7 @@ void cx23885_risc_disasm(struct cx23885_tsport *port,
}
}
-void cx23885_shutdown(struct cx23885_dev *dev)
+static void cx23885_shutdown(struct cx23885_dev *dev)
{
/* disable RISC controller */
cx_write(DEV_CNTRL2, 0);
@@ -578,7 +576,7 @@ void cx23885_shutdown(struct cx23885_dev *dev)
}
-void cx23885_reset(struct cx23885_dev *dev)
+static void cx23885_reset(struct cx23885_dev *dev)
{
dprintk(1, "%s()\n", __FUNCTION__);
@@ -636,8 +634,8 @@ static int get_resources(struct cx23885_dev *dev)
}
static void cx23885_timeout(unsigned long data);
-int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
- u32 reg, u32 mask, u32 value);
+static int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
+ u32 reg, u32 mask, u32 value);
static int cx23885_init_tsport(struct cx23885_dev *dev, struct cx23885_tsport *port, int portno)
{
@@ -837,7 +835,7 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
return 0;
}
-void cx23885_dev_unregister(struct cx23885_dev *dev)
+static void cx23885_dev_unregister(struct cx23885_dev *dev)
{
release_mem_region(pci_resource_start(dev->pci,0),
pci_resource_len(dev->pci,0));
@@ -912,6 +910,7 @@ static u32* cx23885_risc_field(u32 *rp, struct scatterlist *sglist,
return rp;
}
+#if 0
int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
struct scatterlist *sglist, unsigned int top_offset,
unsigned int bottom_offset, unsigned int bpl,
@@ -951,10 +950,13 @@ int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size);
return 0;
}
+#endif /* 0 */
-int cx23885_risc_databuffer(struct pci_dev *pci, struct btcx_riscmem *risc,
- struct scatterlist *sglist, unsigned int bpl,
- unsigned int lines)
+static int cx23885_risc_databuffer(struct pci_dev *pci,
+ struct btcx_riscmem *risc,
+ struct scatterlist *sglist,
+ unsigned int bpl,
+ unsigned int lines)
{
u32 instructions;
u32 *rp;
@@ -981,8 +983,8 @@ int cx23885_risc_databuffer(struct pci_dev *pci, struct btcx_riscmem *risc,
return 0;
}
-int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
- u32 reg, u32 mask, u32 value)
+static int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
+ u32 reg, u32 mask, u32 value)
{
u32 *rp;
int rc;
@@ -1243,6 +1245,7 @@ static void do_cancel_buffers(struct cx23885_tsport *port, char *reason,
spin_unlock_irqrestore(&port->slock, flags);
}
+#if 0
void cx23885_cancel_buffers(struct cx23885_tsport *port)
{
struct cx23885_dev *dev = port->dev;
@@ -1253,6 +1256,7 @@ void cx23885_cancel_buffers(struct cx23885_tsport *port)
cx23885_stop_dma(port);
do_cancel_buffers(port, "cancel", 0);
}
+#endif /* 0 */
static void cx23885_timeout(unsigned long data)
{
diff --git a/drivers/media/video/cx23885/cx23885-i2c.c b/drivers/media/video/cx23885/cx23885-i2c.c
index 71da528..12c3006 100644
--- a/drivers/media/video/cx23885/cx23885-i2c.c
+++ b/drivers/media/video/cx23885/cx23885-i2c.c
@@ -366,8 +366,6 @@ int cx23885_i2c_unregister(struct cx23885_i2c *bus)
/* ----------------------------------------------------------------------- */
-EXPORT_SYMBOL(cx23885_call_i2c_clients);
-
/*
* Local variables:
* c-basic-offset: 8
diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h
index dec4dc2..205640c 100644
--- a/drivers/media/video/cx23885/cx23885.h
+++ b/drivers/media/video/cx23885/cx23885.h
@@ -254,10 +254,6 @@ struct sram_channel {
#define cx_set(reg,bit) cx_andor((reg),(bit),(bit))
#define cx_clear(reg,bit) cx_andor((reg),(bit),0)
-extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
- struct sram_channel *ch,
- unsigned int bpl, u32 risc);
-
/* ----------------------------------------------------------- */
/* cx23885-cards.c */



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Thanks Adrian.

Signed-off-by: Steven Toth (stoth@xxxxxxxxxxx)

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