[PATCH] bcm43xx: Remove the mmio access printing facility overhead.

Signed-off-by: Michael Buesch <mbuesch@freenet.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/bcm43xx/bcm43xx.h

@@ -718,8 +718,6 @@ struct bcm43xx_private {
 	/* Debugging stuff follows. */
 #ifdef CONFIG_BCM43XX_DEBUG
 	struct bcm43xx_dfsentry *dfsentry;
-	atomic_t mmio_print_cnt;
-	atomic_t pcicfg_print_cnt;
 #endif
 };
 
@@ -805,141 +803,54 @@ struct bcm43xx_lopair * bcm43xx_get_lopair(struct bcm43xx_phyinfo *phy,
 }
 
 
-/* MMIO read/write functions. Debug and non-debug variants. */
-#ifdef CONFIG_BCM43XX_DEBUG
-
 static inline
 u16 bcm43xx_read16(struct bcm43xx_private *bcm, u16 offset)
 {
-	u16 value;
-
-	value = ioread16(bcm->mmio_addr + core_offset(bcm) + offset);
-	if (unlikely(atomic_read(&bcm->mmio_print_cnt) > 0)) {
-		printk(KERN_INFO PFX "ioread16   offset: 0x%04x, value: 0x%04x\n",
-		       offset, value);
-	}
-
-	return value;
+	return ioread16(bcm->mmio_addr + core_offset(bcm) + offset);
 }
 
 static inline
 void bcm43xx_write16(struct bcm43xx_private *bcm, u16 offset, u16 value)
 {
 	iowrite16(value, bcm->mmio_addr + core_offset(bcm) + offset);
-	if (unlikely(atomic_read(&bcm->mmio_print_cnt) > 0)) {
-		printk(KERN_INFO PFX "iowrite16  offset: 0x%04x, value: 0x%04x\n",
-		       offset, value);
-	}
 }
 
 static inline
 u32 bcm43xx_read32(struct bcm43xx_private *bcm, u16 offset)
 {
-	u32 value;
-
-	value = ioread32(bcm->mmio_addr + core_offset(bcm) + offset);
-	if (unlikely(atomic_read(&bcm->mmio_print_cnt) > 0)) {
-		printk(KERN_INFO PFX "ioread32   offset: 0x%04x, value: 0x%08x\n",
-		       offset, value);
-	}
-
-	return value;
+	return ioread32(bcm->mmio_addr + core_offset(bcm) + offset);
 }
 
 static inline
 void bcm43xx_write32(struct bcm43xx_private *bcm, u16 offset, u32 value)
 {
 	iowrite32(value, bcm->mmio_addr + core_offset(bcm) + offset);
-	if (unlikely(atomic_read(&bcm->mmio_print_cnt) > 0)) {
-		printk(KERN_INFO PFX "iowrite32  offset: 0x%04x, value: 0x%08x\n",
-		       offset, value);
-	}
 }
 
 static inline
 int bcm43xx_pci_read_config16(struct bcm43xx_private *bcm, int offset, u16 *value)
 {
-	int err;
-
-	err = pci_read_config_word(bcm->pci_dev, offset, value);
-	if (unlikely(atomic_read(&bcm->pcicfg_print_cnt) > 0)) {
-		printk(KERN_INFO PFX "pciread16   offset: 0x%08x, value: 0x%04x, err: %d\n",
-		       offset, *value, err);
-	}
-
-	return err;
+	return pci_read_config_word(bcm->pci_dev, offset, value);
 }
 
 static inline
 int bcm43xx_pci_read_config32(struct bcm43xx_private *bcm, int offset, u32 *value)
 {
-	int err;
-
-	err = pci_read_config_dword(bcm->pci_dev, offset, value);
-	if (unlikely(atomic_read(&bcm->pcicfg_print_cnt) > 0)) {
-		printk(KERN_INFO PFX "pciread32   offset: 0x%08x, value: 0x%08x, err: %d\n",
-		       offset, *value, err);
-	}
-
-	return err;
+	return pci_read_config_dword(bcm->pci_dev, offset, value);
 }
 
 static inline
 int bcm43xx_pci_write_config16(struct bcm43xx_private *bcm, int offset, u16 value)
 {
-	int err;
-
-	err = pci_write_config_word(bcm->pci_dev, offset, value);
-	if (unlikely(atomic_read(&bcm->pcicfg_print_cnt) > 0)) {
-		printk(KERN_INFO PFX "pciwrite16  offset: 0x%08x, value: 0x%04x, err: %d\n",
-		       offset, value, err);
-	}
-
-	return err;
+	return pci_write_config_word(bcm->pci_dev, offset, value);
 }
 
 static inline
 int bcm43xx_pci_write_config32(struct bcm43xx_private *bcm, int offset, u32 value)
 {
-	int err;
-
-	err = pci_write_config_dword(bcm->pci_dev, offset, value);
-	if (unlikely(atomic_read(&bcm->pcicfg_print_cnt) > 0)) {
-		printk(KERN_INFO PFX "pciwrite32  offset: 0x%08x, value: 0x%08x, err: %d\n",
-		       offset, value, err);
-	}
-
-	return err;
+	return pci_write_config_dword(bcm->pci_dev, offset, value);
 }
 
-#define bcm43xx_mmioprint_initial(bcm, value)	atomic_set(&(bcm)->mmio_print_cnt, (value))
-#define bcm43xx_mmioprint_enable(bcm)		atomic_inc(&(bcm)->mmio_print_cnt)
-#define bcm43xx_mmioprint_disable(bcm)		atomic_dec(&(bcm)->mmio_print_cnt)
-#define bcm43xx_pciprint_initial(bcm, value)	atomic_set(&(bcm)->pcicfg_print_cnt, (value))
-#define bcm43xx_pciprint_enable(bcm)		atomic_inc(&(bcm)->pcicfg_print_cnt)
-#define bcm43xx_pciprint_disable(bcm)		atomic_dec(&(bcm)->pcicfg_print_cnt)
-
-#else /* CONFIG_BCM43XX_DEBUG*/
-
-#define bcm43xx_read16(bcm, offset)		ioread16((bcm)->mmio_addr + core_offset(bcm) + (offset))
-#define bcm43xx_write16(bcm, offset, value)	iowrite16((value), (bcm)->mmio_addr + core_offset(bcm) + (offset))
-#define bcm43xx_read32(bcm, offset)		ioread32((bcm)->mmio_addr + core_offset(bcm) + (offset))
-#define bcm43xx_write32(bcm, offset, value)	iowrite32((value), (bcm)->mmio_addr + core_offset(bcm) + (offset))
-#define bcm43xx_pci_read_config16(bcm, o, v)	pci_read_config_word((bcm)->pci_dev, (o), (v))
-#define bcm43xx_pci_read_config32(bcm, o, v)	pci_read_config_dword((bcm)->pci_dev, (o), (v))
-#define bcm43xx_pci_write_config16(bcm, o, v)	pci_write_config_word((bcm)->pci_dev, (o), (v))
-#define bcm43xx_pci_write_config32(bcm, o, v)	pci_write_config_dword((bcm)->pci_dev, (o), (v))
-
-#define bcm43xx_mmioprint_initial(x, y)		do { /* nothing */ } while (0)
-#define bcm43xx_mmioprint_enable(x)		do { /* nothing */ } while (0)
-#define bcm43xx_mmioprint_disable(x)		do { /* nothing */ } while (0)
-#define bcm43xx_pciprint_initial(bcm, value)	do { /* nothing */ } while (0)
-#define bcm43xx_pciprint_enable(bcm)		do { /* nothing */ } while (0)
-#define bcm43xx_pciprint_disable(bcm)		do { /* nothing */ } while (0)
-
-#endif /* CONFIG_BCM43XX_DEBUG*/
-
-
 /** Limit a value between two limits */
 #ifdef limit_value
 # undef limit_value

drivers/net/wireless/bcm43xx/bcm43xx_main.c

@@ -2018,12 +2018,6 @@ static void bcm43xx_upload_microcode(struct bcm43xx_private *bcm)
 	const u32 *data;
 	unsigned int i, len;
 
-#ifdef DEBUG_ENABLE_UCODE_MMIO_PRINT
-	bcm43xx_mmioprint_enable(bcm);
-#else
-	bcm43xx_mmioprint_disable(bcm);
-#endif
-
 	/* Upload Microcode. */
 	data = (u32 *)(bcm->ucode->data);
 	len = bcm->ucode->size / sizeof(u32);
@@ -2045,12 +2039,6 @@ static void bcm43xx_upload_microcode(struct bcm43xx_private *bcm)
 				be32_to_cpu(data[i]));
 		udelay(10);
 	}
-
-#ifdef DEBUG_ENABLE_UCODE_MMIO_PRINT
-	bcm43xx_mmioprint_disable(bcm);
-#else
-	bcm43xx_mmioprint_enable(bcm);
-#endif
 }
 
 static int bcm43xx_write_initvals(struct bcm43xx_private *bcm,
@@ -2090,12 +2078,6 @@ static int bcm43xx_upload_initvals(struct bcm43xx_private *bcm)
 {
 	int err;
 
-#ifdef DEBUG_ENABLE_UCODE_MMIO_PRINT
-	bcm43xx_mmioprint_enable(bcm);
-#else
-	bcm43xx_mmioprint_disable(bcm);
-#endif
-
 	err = bcm43xx_write_initvals(bcm, (struct bcm43xx_initval *)bcm->initvals0->data,
 				     bcm->initvals0->size / sizeof(struct bcm43xx_initval));
 	if (err)
@@ -2106,13 +2088,7 @@ static int bcm43xx_upload_initvals(struct bcm43xx_private *bcm)
 		if (err)
 			goto out;
 	}
-
 out:
-#ifdef DEBUG_ENABLE_UCODE_MMIO_PRINT
-	bcm43xx_mmioprint_disable(bcm);
-#else
-	bcm43xx_mmioprint_enable(bcm);
-#endif
 	return err;
 }
 
@@ -3728,17 +3704,6 @@ static int bcm43xx_init_private(struct bcm43xx_private *bcm,
 	bcm->softmac = ieee80211_priv(net_dev);
 	bcm->softmac->set_channel = bcm43xx_ieee80211_set_chan;
 
-#ifdef DEBUG_ENABLE_MMIO_PRINT
-	bcm43xx_mmioprint_initial(bcm, 1);
-#else
-	bcm43xx_mmioprint_initial(bcm, 0);
-#endif
-#ifdef DEBUG_ENABLE_PCILOG
-	bcm43xx_pciprint_initial(bcm, 1);
-#else
-	bcm43xx_pciprint_initial(bcm, 0);
-#endif
-
 	bcm->irq_savedstate = BCM43xx_IRQ_INITIAL;
 	bcm->pci_dev = pci_dev;
 	bcm->net_dev = net_dev;