drivers/block/umem: use dev_printk()

dev_printk() gives us a consistent prefix (driver name + PCI bus id),
which allows us to eliminate the hand-rolled one.

Also allows us to eliminate card->card_number, which was used solely in
printk() calls.

Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index 33ef766..32060b8 100644 (file)
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -97,7 +97,6 @@ static int major_nr;
 #include <linux/blkpg.h>
 
 struct cardinfo {
-       int             card_number;
        struct pci_dev  *dev;
 
        int             irq;
@@ -236,7 +235,7 @@ static void dump_regs(struct cardinfo *card)
 */
 static void dump_dmastat(struct cardinfo *card, unsigned int dmastat)
 {
-       printk(KERN_DEBUG "MM%d*: DMAstat - ", card->card_number);
+       dev_printk(KERN_DEBUG, &card->dev->dev, "DMAstat - ");
        if (dmastat & DMASCR_ANY_ERR)
                printk("ANY_ERR ");
        if (dmastat & DMASCR_MBE_ERR)
@@ -499,17 +498,17 @@ static void process_page(unsigned long data)
                if (control & DMASCR_HARD_ERROR) {
                        /* error */
                        clear_bit(BIO_UPTODATE, &bio->bi_flags);
-                       printk(KERN_WARNING "MM%d: I/O error on sector %d/%d\n",
-                              card->card_number, 
-                              le32_to_cpu(desc->local_addr)>>9,
-                              le32_to_cpu(desc->transfer_size));
+                       dev_printk(KERN_WARNING, &card->dev->dev,
+                               "I/O error on sector %d/%d\n",
+                               le32_to_cpu(desc->local_addr)>>9,
+                               le32_to_cpu(desc->transfer_size));
                        dump_dmastat(card, control);
                } else if (test_bit(BIO_RW, &bio->bi_rw) &&
                           le32_to_cpu(desc->local_addr)>>9 == card->init_size) {
                        card->init_size += le32_to_cpu(desc->transfer_size)>>9;
                        if (card->init_size>>1 >= card->mm_size) {
-                               printk(KERN_INFO "MM%d: memory now initialised\n",
-                                      card->card_number);
+                               dev_printk(KERN_INFO, &card->dev->dev,
+                                       "memory now initialised\n");
                                set_userbit(card, MEMORY_INITIALIZED, 1);
                        }
                }
@@ -618,46 +617,51 @@ HW_TRACE(0x30);
                dump_dmastat(card, dma_status);
 
                if (stat & 0x01)
-                       printk(KERN_ERR "MM%d*: Memory access error detected (err count %d)\n",
-                               card->card_number, count);
+                       dev_printk(KERN_ERR, &card->dev->dev,
+                               "Memory access error detected (err count %d)\n",
+                               count);
                if (stat & 0x02)
-                       printk(KERN_ERR "MM%d*: Multi-bit EDC error\n",
-                               card->card_number);
+                       dev_printk(KERN_ERR, &card->dev->dev,
+                               "Multi-bit EDC error\n");
 
-               printk(KERN_ERR "MM%d*: Fault Address 0x%02x%08x, Fault Data 0x%08x%08x\n",
-                       card->card_number, addr_log2, addr_log1, data_log2, data_log1);
-               printk(KERN_ERR "MM%d*: Fault Check 0x%02x, Fault Syndrome 0x%02x\n",
-                       card->card_number, check, syndrome);
+               dev_printk(KERN_ERR, &card->dev->dev,
+                       "Fault Address 0x%02x%08x, Fault Data 0x%08x%08x\n",
+                       addr_log2, addr_log1, data_log2, data_log1);
+               dev_printk(KERN_ERR, &card->dev->dev,
+                       "Fault Check 0x%02x, Fault Syndrome 0x%02x\n",
+                       check, syndrome);
 
                writeb(0, card->csr_remap + ERROR_COUNT);
        }
 
        if (dma_status & DMASCR_PARITY_ERR_REP) {
-               printk(KERN_ERR "MM%d*: PARITY ERROR REPORTED\n", card->card_number);
+               dev_printk(KERN_ERR, &card->dev->dev,
+                       "PARITY ERROR REPORTED\n");
                pci_read_config_word(card->dev, PCI_STATUS, &cfg_status);
                pci_write_config_word(card->dev, PCI_STATUS, cfg_status);
        }
 
        if (dma_status & DMASCR_PARITY_ERR_DET) {
-               printk(KERN_ERR "MM%d*: PARITY ERROR DETECTED\n", card->card_number); 
+               dev_printk(KERN_ERR, &card->dev->dev,
+                       "PARITY ERROR DETECTED\n");
                pci_read_config_word(card->dev, PCI_STATUS, &cfg_status);
                pci_write_config_word(card->dev, PCI_STATUS, cfg_status);
        }
 
        if (dma_status & DMASCR_SYSTEM_ERR_SIG) {
-               printk(KERN_ERR "MM%d*: SYSTEM ERROR\n", card->card_number); 
+               dev_printk(KERN_ERR, &card->dev->dev, "SYSTEM ERROR\n");
                pci_read_config_word(card->dev, PCI_STATUS, &cfg_status);
                pci_write_config_word(card->dev, PCI_STATUS, cfg_status);
        }
 
        if (dma_status & DMASCR_TARGET_ABT) {
-               printk(KERN_ERR "MM%d*: TARGET ABORT\n", card->card_number); 
+               dev_printk(KERN_ERR, &card->dev->dev, "TARGET ABORT\n");
                pci_read_config_word(card->dev, PCI_STATUS, &cfg_status);
                pci_write_config_word(card->dev, PCI_STATUS, cfg_status);
        }
 
        if (dma_status & DMASCR_MASTER_ABT) {
-               printk(KERN_ERR "MM%d*: MASTER ABORT\n", card->card_number); 
+               dev_printk(KERN_ERR, &card->dev->dev, "MASTER ABORT\n");
                pci_read_config_word(card->dev, PCI_STATUS, &cfg_status);
                pci_write_config_word(card->dev, PCI_STATUS, cfg_status);
        }
@@ -708,20 +712,20 @@ static int check_battery(struct cardinfo *card, int battery, int status)
                card->battery[battery].last_change = jiffies;
 
                if (card->battery[battery].good) {
-                       printk(KERN_ERR "MM%d: Battery %d now good\n",
-                               card->card_number, battery + 1);
+                       dev_printk(KERN_ERR, &card->dev->dev,
+                               "Battery %d now good\n", battery + 1);
                        card->battery[battery].warned = 0;
                } else
-                       printk(KERN_ERR "MM%d: Battery %d now FAILED\n",
-                               card->card_number, battery + 1);
+                       dev_printk(KERN_ERR, &card->dev->dev,
+                               "Battery %d now FAILED\n", battery + 1);
 
                return 1;
        } else if (!card->battery[battery].good &&
                   !card->battery[battery].warned &&
                   time_after_eq(jiffies, card->battery[battery].last_change +
                                 (HZ * 60 * 60 * 5))) {
-               printk(KERN_ERR "MM%d: Battery %d still FAILED after 5 hours\n",
-                       card->card_number, battery + 1);
+               dev_printk(KERN_ERR, &card->dev->dev,
+                       "Battery %d still FAILED after 5 hours\n", battery + 1);
                card->battery[battery].warned = 1;
 
                return 1;
@@ -745,8 +749,8 @@ static void check_batteries(struct cardinfo *card)
 
        status = readb(card->csr_remap + MEMCTRLSTATUS_BATTERY);
        if (debug & DEBUG_BATTERY_POLLING)
-               printk(KERN_DEBUG "MM%d: checking battery status, 1 = %s, 2 = %s\n",
-                      card->card_number,
+               dev_printk(KERN_DEBUG, &card->dev->dev,
+                       "checking battery status, 1 = %s, 2 = %s\n",
                       (status & BATTERY_1_FAILURE) ? "FAILURE" : "OK",
                       (status & BATTERY_2_FAILURE) ? "FAILURE" : "OK");
 
@@ -866,6 +870,10 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i
        unsigned char   batt_status;
        unsigned int    saved_bar, data;
        int             magic_number;
+       static int      printed_version;
+
+       if (!printed_version++)
+               printk(KERN_INFO DRIVER_VERSION " : " DRIVER_DESC "\n");
 
        if (pci_enable_device(dev) < 0)
                return -ENODEV;
@@ -874,21 +882,21 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i
        pci_set_master(dev);
 
        card->dev         = dev;
-       card->card_number = num_cards;
 
        card->csr_base = pci_resource_start(dev, 0);
        card->csr_len  = pci_resource_len(dev, 0);
 
-       printk(KERN_INFO "Micro Memory(tm) controller #%d found at %02x:%02x (PCI Mem Module (Battery Backup))\n",
-              card->card_number, dev->bus->number, dev->devfn);
+       dev_printk(KERN_INFO, &dev->dev,
+               "Micro Memory(tm) controller found (PCI Mem Module (Battery Backup))\n");
 
        if (pci_set_dma_mask(dev, DMA_64BIT_MASK) &&
            pci_set_dma_mask(dev, DMA_32BIT_MASK)) {
-               printk(KERN_WARNING "MM%d: NO suitable DMA found\n",num_cards);
+               dev_printk(KERN_WARNING, &dev->dev, "NO suitable DMA found\n");
                return  -ENOMEM;
        }
        if (!request_mem_region(card->csr_base, card->csr_len, "Micro Memory")) {
-               printk(KERN_ERR "MM%d: Unable to request memory region\n", card->card_number);
+               dev_printk(KERN_ERR, &card->dev->dev,
+                       "Unable to request memory region\n");
                ret = -ENOMEM;
 
                goto failed_req_csr;
@@ -896,13 +904,15 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i
 
        card->csr_remap = ioremap_nocache(card->csr_base, card->csr_len);
        if (!card->csr_remap) {
-               printk(KERN_ERR "MM%d: Unable to remap memory region\n", card->card_number);
+               dev_printk(KERN_ERR, &card->dev->dev,
+                       "Unable to remap memory region\n");
                ret = -ENOMEM;
 
                goto failed_remap_csr;
        }
 
-       printk(KERN_INFO "MM%d: CSR 0x%08lx -> 0x%p (0x%lx)\n", card->card_number,
+       dev_printk(KERN_INFO, &card->dev->dev,
+               "CSR 0x%08lx -> 0x%p (0x%lx)\n",
               card->csr_base, card->csr_remap, card->csr_len);
 
        switch(card->dev->device) {
@@ -927,7 +937,7 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i
        }
 
        if (readb(card->csr_remap + MEMCTRLSTATUS_MAGIC) != magic_number) {
-               printk(KERN_ERR "MM%d: Magic number invalid\n", card->card_number);
+               dev_printk(KERN_ERR, &card->dev->dev, "Magic number invalid\n");
                ret = -ENOMEM;
                goto failed_magic;
        }
@@ -940,7 +950,7 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i
                                                      &card->mm_pages[1].page_dma);
        if (card->mm_pages[0].desc == NULL ||
            card->mm_pages[1].desc == NULL) {
-               printk(KERN_ERR "MM%d: alloc failed\n", card->card_number);
+               dev_printk(KERN_ERR, &card->dev->dev, "alloc failed\n");
                goto failed_alloc;
        }
        reset_page(&card->mm_pages[0]);
@@ -995,11 +1005,12 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i
        card->battery[0].last_change = card->battery[1].last_change = jiffies;
 
        if (card->flags & UM_FLAG_NO_BATT) 
-               printk(KERN_INFO "MM%d: Size %d KB\n",
-                      card->card_number, card->mm_size);
+               dev_printk(KERN_INFO, &card->dev->dev,
+                       "Size %d KB\n", card->mm_size);
        else {
-               printk(KERN_INFO "MM%d: Size %d KB, Battery 1 %s (%s), Battery 2 %s (%s)\n",
-                      card->card_number, card->mm_size,
+               dev_printk(KERN_INFO, &card->dev->dev,
+                       "Size %d KB, Battery 1 %s (%s), Battery 2 %s (%s)\n",
+                      card->mm_size,
                       (batt_status & BATTERY_1_DISABLED ? "Disabled" : "Enabled"),
                       card->battery[0].good ? "OK" : "FAILURE",
                       (batt_status & BATTERY_2_DISABLED ? "Disabled" : "Enabled"),
@@ -1021,14 +1032,16 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i
 
 
        if (request_irq(dev->irq, mm_interrupt, IRQF_SHARED, "pci-umem", card)) {
-               printk(KERN_ERR "MM%d: Unable to allocate IRQ\n", card->card_number);
+               dev_printk(KERN_ERR, &card->dev->dev,
+                       "Unable to allocate IRQ\n");
                ret = -ENODEV;
 
                goto failed_req_irq;
        }
 
        card->irq = dev->irq;
-       printk(KERN_INFO "MM%d: Window size %d bytes, IRQ %d\n", card->card_number,
+       dev_printk(KERN_INFO, &card->dev->dev,
+               "Window size %d bytes, IRQ %d\n",
               card->win_size, card->irq);
 
         spin_lock_init(&card->lock);
@@ -1049,10 +1062,12 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i
        num_cards++;
 
        if (!get_userbit(card, MEMORY_INITIALIZED)) {
-               printk(KERN_INFO "MM%d: memory NOT initialized. Consider over-writing whole device.\n", card->card_number);
+               dev_printk(KERN_INFO, &card->dev->dev,
+                       "memory NOT initialized. Consider over-writing whole device.\n");
                card->init_size = 0;
        } else {
-               printk(KERN_INFO "MM%d: memory already initialized\n", card->card_number);
+               dev_printk(KERN_INFO, &card->dev->dev,
+                       "memory already initialized\n");
                card->init_size = card->mm_size;
        }
 
@@ -1137,8 +1152,6 @@ static int __init mm_init(void)
        int retval, i;
        int err;
 
-       printk(KERN_INFO DRIVER_VERSION " : " DRIVER_DESC "\n");
-
        retval = pci_register_driver(&mm_pci_driver);
        if (retval)
                return -ENOMEM;
@@ -1169,7 +1182,7 @@ static int __init mm_init(void)
        }
 
        init_battery_timer();
-       printk("MM: desc_per_page = %ld\n", DESC_PER_PAGE);
+       printk(KERN_INFO "MM: desc_per_page = %ld\n", DESC_PER_PAGE);
 /* printk("mm_init: Done. 10-19-01 9:00\n"); */
        return 0;