[2.6 patch] small drivers/atm cleanups

From: Adrian Bunk
Date: Wed Dec 01 2004 - 19:30:58 EST


On Tue, Nov 23, 2004 at 06:09:31PM -0800, Andrew Morton wrote:
> Adrian Bunk <bunk@xxxxxxxxx> wrote:
> >
> > /*
> > - * This routine will clock the Read_Status_reg function into the X2520
> > - * eeprom, then pull the result from bit 16 of the NicSTaR's General Purpose
> > - * register.
> > - */
> > -
> > -u_int32_t
> > -nicstar_read_eprom_status( virt_addr_t base )
>
> I'd be inclined to whack an #if 0 around functions such as this rather than
> removing them. Someone may come along one day and do some work on the
> driver, and nicstar_read_eprom_status() may prove to be useful to them.
>
> Nobody would ever thing to go trolling back through the revision history
> looking to see if previously-interesting stuff was deleted.


Agreed. Updated patch:


The patch below makes the following changes under drivers/atm/ :
- make some needlessly global things static
- #if 0 an unneeded global function in nicstarmac.c

Please review and apply if it's correct.


diffstat output:
drivers/atm/ambassador.c | 4 +--
drivers/atm/atmtcp.c | 6 ++---
drivers/atm/firestream.c | 12 +++++-----
drivers/atm/he.c | 44 ++++++++++++++++++++++++++++++++++++++-
drivers/atm/he.h | 43 --------------------------------------
drivers/atm/idt77105.c | 2 -
drivers/atm/idt77105.h | 1
drivers/atm/idt77252.h | 2 -
drivers/atm/iphase.c | 17 ++++++---------
drivers/atm/iphase.h | 4 ---
drivers/atm/nicstarmac.h | 1
drivers/atm/nicstarmac.c | 5 +++-
12 files changed, 67 insertions(+), 74 deletions(-)


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

--- linux-2.6.10-rc1-mm3-full/drivers/atm/ambassador.c.old 2004-11-05 23:19:10.000000000 +0100
+++ linux-2.6.10-rc1-mm3-full/drivers/atm/ambassador.c 2004-11-05 23:19:44.000000000 +0100
@@ -1692,7 +1692,7 @@
};


-unsigned int command_successes [] = {
+static unsigned int command_successes [] = {
[host_memory_test] = COMMAND_PASSED_TEST,
[read_adapter_memory] = COMMAND_READ_DATA_OK,
[write_adapter_memory] = COMMAND_WRITE_DATA_OK,
@@ -2088,7 +2088,7 @@
}

// swap bits within byte to get Ethernet ordering
-u8 bit_swap (u8 byte)
+static u8 bit_swap (u8 byte)
{
const u8 swap[] = {
0x0, 0x8, 0x4, 0xc,
--- linux-2.6.10-rc1-mm3-full/drivers/atm/atmtcp.c.old 2004-11-05 23:19:51.000000000 +0100
+++ linux-2.6.10-rc1-mm3-full/drivers/atm/atmtcp.c 2004-11-05 23:20:24.000000000 +0100
@@ -388,7 +388,7 @@
}


-int atmtcp_attach(struct atm_vcc *vcc,int itf)
+static int atmtcp_attach(struct atm_vcc *vcc,int itf)
{
struct atm_dev *dev;

@@ -419,13 +419,13 @@
}


-int atmtcp_create_persistent(int itf)
+static int atmtcp_create_persistent(int itf)
{
return atmtcp_create(itf,1,NULL);
}


-int atmtcp_remove_persistent(int itf)
+static int atmtcp_remove_persistent(int itf)
{
struct atm_dev *dev;
struct atmtcp_dev_data *dev_data;
--- linux-2.6.10-rc1-mm3-full/drivers/atm/firestream.c.old 2004-11-05 23:20:36.000000000 +0100
+++ linux-2.6.10-rc1-mm3-full/drivers/atm/firestream.c 2004-11-05 23:21:35.000000000 +0100
@@ -82,14 +82,14 @@
* would be interpreted. -- REW */

#define NP FS_NR_FREE_POOLS
-int rx_buf_sizes[NP] = {128, 256, 512, 1024, 2048, 4096, 16384, 65520};
+static int rx_buf_sizes[NP] = {128, 256, 512, 1024, 2048, 4096, 16384, 65520};
/* log2: 7 8 9 10 11 12 14 16 */

#if 0
-int rx_pool_sizes[NP] = {1024, 1024, 512, 256, 128, 64, 32, 32};
+static int rx_pool_sizes[NP] = {1024, 1024, 512, 256, 128, 64, 32, 32};
#else
/* debug */
-int rx_pool_sizes[NP] = {128, 128, 128, 64, 64, 64, 32, 32};
+static int rx_pool_sizes[NP] = {128, 128, 128, 64, 64, 64, 32, 32};
#endif
/* log2: 10 10 9 8 7 6 5 5 */
/* sumlog2: 17 18 18 18 18 18 19 21 */
@@ -250,7 +250,7 @@
};


-struct reginit_item PHY_NTC_INIT[] __devinitdata = {
+static struct reginit_item PHY_NTC_INIT[] __devinitdata = {
{ PHY_CLEARALL, 0x40 },
{ 0x12, 0x0001 },
{ 0x13, 0x7605 },
@@ -334,7 +334,7 @@
#define func_exit() fs_dprintk (FS_DEBUG_FLOW, "fs: exit %s\n", __FUNCTION__)


-struct fs_dev *fs_boards = NULL;
+static struct fs_dev *fs_boards = NULL;

#ifdef DEBUG

@@ -1921,7 +1921,7 @@
return -ENODEV;
}

-void __devexit firestream_remove_one (struct pci_dev *pdev)
+static void __devexit firestream_remove_one (struct pci_dev *pdev)
{
int i;
struct fs_dev *dev, *nxtdev;
--- linux-2.6.10-rc1-mm3-full/drivers/atm/he.h.old 2004-11-05 23:22:52.000000000 +0100
+++ linux-2.6.10-rc1-mm3-full/drivers/atm/he.h 2004-11-05 23:24:59.000000000 +0100
@@ -892,47 +892,4 @@
#define SI_HIGH ID_DIN /* HOST_CNTL_ID_PROM_DATA_IN */
#define EEPROM_DELAY 400 /* microseconds */

-/* Read from EEPROM = 0000 0011b */
-unsigned int readtab[] = {
- CS_HIGH | CLK_HIGH,
- CS_LOW | CLK_LOW,
- CLK_HIGH, /* 0 */
- CLK_LOW,
- CLK_HIGH, /* 0 */
- CLK_LOW,
- CLK_HIGH, /* 0 */
- CLK_LOW,
- CLK_HIGH, /* 0 */
- CLK_LOW,
- CLK_HIGH, /* 0 */
- CLK_LOW,
- CLK_HIGH, /* 0 */
- CLK_LOW | SI_HIGH,
- CLK_HIGH | SI_HIGH, /* 1 */
- CLK_LOW | SI_HIGH,
- CLK_HIGH | SI_HIGH /* 1 */
-};
-
-/* Clock to read from/write to the EEPROM */
-unsigned int clocktab[] = {
- CLK_LOW,
- CLK_HIGH,
- CLK_LOW,
- CLK_HIGH,
- CLK_LOW,
- CLK_HIGH,
- CLK_LOW,
- CLK_HIGH,
- CLK_LOW,
- CLK_HIGH,
- CLK_LOW,
- CLK_HIGH,
- CLK_LOW,
- CLK_HIGH,
- CLK_LOW,
- CLK_HIGH,
- CLK_LOW
-};
-
-
#endif /* _HE_H_ */
--- linux-2.6.10-rc1-mm3-full/drivers/atm/he.c.old 2004-11-05 23:21:42.000000000 +0100
+++ linux-2.6.10-rc1-mm3-full/drivers/atm/he.c 2004-11-05 23:24:51.000000000 +0100
@@ -147,7 +147,7 @@

/* globals */

-struct he_dev *he_devs = NULL;
+static struct he_dev *he_devs = NULL;
static int disable64 = 0;
static short nvpibits = -1;
static short nvcibits = -1;
@@ -155,6 +155,48 @@
static int irq_coalesce = 1;
static int sdh = 0;

+/* Read from EEPROM = 0000 0011b */
+static unsigned int readtab[] = {
+ CS_HIGH | CLK_HIGH,
+ CS_LOW | CLK_LOW,
+ CLK_HIGH, /* 0 */
+ CLK_LOW,
+ CLK_HIGH, /* 0 */
+ CLK_LOW,
+ CLK_HIGH, /* 0 */
+ CLK_LOW,
+ CLK_HIGH, /* 0 */
+ CLK_LOW,
+ CLK_HIGH, /* 0 */
+ CLK_LOW,
+ CLK_HIGH, /* 0 */
+ CLK_LOW | SI_HIGH,
+ CLK_HIGH | SI_HIGH, /* 1 */
+ CLK_LOW | SI_HIGH,
+ CLK_HIGH | SI_HIGH /* 1 */
+};
+
+/* Clock to read from/write to the EEPROM */
+static unsigned int clocktab[] = {
+ CLK_LOW,
+ CLK_HIGH,
+ CLK_LOW,
+ CLK_HIGH,
+ CLK_LOW,
+ CLK_HIGH,
+ CLK_LOW,
+ CLK_HIGH,
+ CLK_LOW,
+ CLK_HIGH,
+ CLK_LOW,
+ CLK_HIGH,
+ CLK_LOW,
+ CLK_HIGH,
+ CLK_LOW,
+ CLK_HIGH,
+ CLK_LOW
+};
+
static struct atmdev_ops he_ops =
{
.open = he_open,
--- linux-2.6.10-rc1-mm3-full/drivers/atm/idt77105.h.old 2004-11-05 23:35:21.000000000 +0100
+++ linux-2.6.10-rc1-mm3-full/drivers/atm/idt77105.h 2004-11-05 23:35:31.000000000 +0100
@@ -77,7 +77,6 @@

#ifdef __KERNEL__
int idt77105_init(struct atm_dev *dev) __init;
-int idt77105_stop(struct atm_dev *dev);
#endif

/*
--- linux-2.6.10-rc1-mm3-full/drivers/atm/idt77105.c.old 2004-11-05 23:25:11.000000000 +0100
+++ linux-2.6.10-rc1-mm3-full/drivers/atm/idt77105.c 2004-11-05 23:25:26.000000000 +0100
@@ -323,7 +323,7 @@
}


-int idt77105_stop(struct atm_dev *dev)
+static int idt77105_stop(struct atm_dev *dev)
{
struct idt77105_priv *walk, *prev;

--- linux-2.6.10-rc1-mm3-full/drivers/atm/idt77252.h.old 2004-11-05 23:25:56.000000000 +0100
+++ linux-2.6.10-rc1-mm3-full/drivers/atm/idt77252.h 2004-11-05 23:26:24.000000000 +0100
@@ -275,7 +275,7 @@
struct rsq_entry *next;
struct rsq_entry *last;
dma_addr_t paddr;
-} rsq_info;
+};


/*****************************************************************************/
--- linux-2.6.10-rc1-mm3-full/drivers/atm/iphase.h.old 2004-11-05 23:34:43.000000000 +0100
+++ linux-2.6.10-rc1-mm3-full/drivers/atm/iphase.h 2004-11-05 23:35:05.000000000 +0100
@@ -1126,8 +1126,6 @@
#define FE_DS3_PHY 0x0080 /* DS3 */
#define FE_E3_PHY 0x0090 /* E3 */

-extern void ia_mb25_init (IADEV *);
-
/*********************** SUNI_PM7345 PHY DEFINE HERE *********************/
typedef struct _suni_pm7345_t
{
@@ -1326,8 +1324,6 @@
#define SUNI_DS3_FOVRI 0x02 /* FIFO overrun */
#define SUNI_DS3_FUDRI 0x01 /* FIFO underrun */

-extern void ia_suni_pm7345_init (IADEV *iadev);
-
///////////////////SUNI_PM7345 PHY DEFINE END /////////////////////////////

/* ia_eeprom define*/
--- linux-2.6.10-rc1-mm3-full/drivers/atm/iphase.c.old 2004-11-05 23:26:35.000000000 +0100
+++ linux-2.6.10-rc1-mm3-full/drivers/atm/iphase.c 2004-11-05 23:30:13.000000000 +0100
@@ -72,13 +72,13 @@
#define PRIV(dev) ((struct suni_priv *) dev->phy_data)

static unsigned char ia_phy_get(struct atm_dev *dev, unsigned long addr);
+static void desc_dbg(IADEV *iadev);

static IADEV *ia_dev[8];
static struct atm_dev *_ia_dev[8];
static int iadev_count;
static void ia_led_timer(unsigned long arg);
static struct timer_list ia_timer = TIMER_INITIALIZER(ia_led_timer, 0, 0);
-struct atm_vcc *vcc_close_que[100];
static int IA_TX_BUF = DFL_TX_BUFFERS, IA_TX_BUF_SZ = DFL_TX_BUF_SZ;
static int IA_RX_BUF = DFL_RX_BUFFERS, IA_RX_BUF_SZ = DFL_RX_BUF_SZ;
static uint IADebugFlag = /* IF_IADBG_ERR | IF_IADBG_CBR| IF_IADBG_INIT_ADAPTER
@@ -147,7 +147,6 @@
u_short desc1;
u_short tcq_wr;
struct ia_vcc *iavcc_r = NULL;
- extern void desc_dbg(IADEV *iadev);

tcq_wr = readl(dev->seg_reg+TCQ_WR_PTR) & 0xffff;
while (dev->host_tcq_wr != tcq_wr) {
@@ -187,7 +186,6 @@
unsigned long delta;
static unsigned long timer = 0;
int ltimeout;
- extern void desc_dbg(IADEV *iadev);

ia_hack_tcq (dev);
if(((jiffies - timer)>50)||((dev->ffL.tcq_rd==dev->host_tcq_wr))){
@@ -643,7 +641,7 @@
return 0;
}

-void ia_tx_poll (IADEV *iadev) {
+static void ia_tx_poll (IADEV *iadev) {
struct atm_vcc *vcc = NULL;
struct sk_buff *skb = NULL, *skb1 = NULL;
struct ia_vcc *iavcc;
@@ -860,7 +858,7 @@
return;
}

-void ia_mb25_init (IADEV *iadev)
+static void ia_mb25_init (IADEV *iadev)
{
volatile ia_mb25_t *mb25 = (ia_mb25_t*)iadev->phy;
#if 0
@@ -875,7 +873,7 @@
return;
}

-void ia_suni_pm7345_init (IADEV *iadev)
+static void ia_suni_pm7345_init (IADEV *iadev)
{
volatile suni_pm7345_t *suni_pm7345 = (suni_pm7345_t *)iadev->phy;
if (iadev->phy_type & FE_DS3_PHY)
@@ -958,9 +956,8 @@

/***************************** IA_LIB END *****************************/

-/* pwang_test debug utility */
-int tcnter = 0, rcnter = 0;
-void xdump( u_char* cp, int length, char* prefix )
+static int tcnter = 0;
+static void xdump( u_char* cp, int length, char* prefix )
{
int col, count;
u_char prntBuf[120];
@@ -1007,7 +1004,7 @@

/*-- some utilities and memory allocation stuff will come here -------------*/

-void desc_dbg(IADEV *iadev) {
+static void desc_dbg(IADEV *iadev) {

u_short tcq_wr_ptr, tcq_st_ptr, tcq_ed_ptr;
u32 tmp, i;
--- linux-2.6.10-rc1-mm3-full/drivers/atm/nicstarmac.h.old 2004-11-06 00:07:58.000000000 +0100
+++ linux-2.6.10-rc1-mm3-full/drivers/atm/nicstarmac.h 2004-11-06 00:11:07.000000000 +0100
@@ -9,6 +9,5 @@

typedef void __iomem *virt_addr_t;

-u_int32_t nicstar_read_eprom_status( virt_addr_t base );
void nicstar_init_eprom( virt_addr_t base );
void nicstar_read_eprom( virt_addr_t, u_int8_t, u_int8_t *, u_int32_t);
--- linux-2.6.10-rc2-mm4-full/drivers/atm/nicstarmac.c.old 2004-12-02 01:00:30.000000000 +0100
+++ linux-2.6.10-rc2-mm4-full/drivers/atm/nicstarmac.c 2004-12-02 01:03:43.000000000 +0100
@@ -35,6 +35,7 @@
#define SI_LOW 0x0000 /* Serial input data low */

/* Read Status Register = 0000 0101b */
+#if 0
static u_int32_t rdsrtab[] =
{
CS_HIGH | CLK_HIGH,
@@ -55,6 +56,7 @@
CLK_LOW | SI_HIGH,
CLK_HIGH | SI_HIGH /* 1 */
};
+#endif /* 0 */


/* Read from EEPROM = 0000 0011b */
@@ -117,7 +119,7 @@
* eeprom, then pull the result from bit 16 of the NicSTaR's General Purpose
* register.
*/
-
+#if 0
u_int32_t
nicstar_read_eprom_status( virt_addr_t base )
{
@@ -153,6 +155,7 @@
osp_MicroDelay( CYCLE_DELAY );
return rbyte;
}
+#endif /* 0 */


/*

-
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