From 7cfffac06ca0d45040db228ce1835f5cf8623916 Mon Sep 17 00:00:00 2001 From: Chuanxiao Dong Date: Tue, 10 Aug 2010 00:16:51 +0800 Subject: nand/denali: use dev_xx debug function to replace nand_dbg_print and some printk Signed-off-by: Chuanxiao Dong Signed-off-by: David Woodhouse --- drivers/mtd/nand/denali.c | 208 ++++++++++------------------------------------ 1 file changed, 42 insertions(+), 166 deletions(-) (limited to 'drivers/mtd/nand/denali.c') diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c index e4462c0740b2..f59dd03f36d4 100644 --- a/drivers/mtd/nand/denali.c +++ b/drivers/mtd/nand/denali.c @@ -119,9 +119,6 @@ static const uint32_t reset_complete[4] = {INTR_STATUS0__RST_COMP, INTR_STATUS2__RST_COMP, INTR_STATUS3__RST_COMP}; -/* specifies the debug level of the driver */ -static int nand_debug_level; - /* forward declarations */ static void clear_interrupts(struct denali_nand_info *denali); static uint32_t wait_for_irq(struct denali_nand_info *denali, @@ -130,8 +127,6 @@ static void denali_irq_enable(struct denali_nand_info *denali, uint32_t int_mask); static uint32_t read_interrupt_status(struct denali_nand_info *denali); -#define DEBUG_DENALI 0 - /* Certain operations for the denali NAND controller use * an indexed mode to read/write data. The operation is * performed by writing the address value of the command @@ -181,11 +176,6 @@ static void read_status(struct denali_nand_info *denali) /* update buffer with status value */ write_byte_to_buf(denali, ioread32(denali->flash_mem + 0x10)); - -#if DEBUG_DENALI - printk(KERN_INFO "device reporting status value of 0x%2x\n", - denali->buf.buf[0]); -#endif } /* resets a specific device connected to the core */ @@ -204,7 +194,7 @@ static void reset_bank(struct denali_nand_info *denali) irq_status = wait_for_irq(denali, irq_mask); if (irq_status & operation_timeout[denali->flash_bank]) - printk(KERN_ERR "reset bank failed.\n"); + dev_err(&denali->dev->dev, "reset bank failed.\n"); } /* Reset the flash controller */ @@ -212,7 +202,7 @@ static uint16_t denali_nand_reset(struct denali_nand_info *denali) { uint32_t i; - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", + dev_dbg(&denali->dev->dev, "%s, Line %d, Function: %s\n", __FILE__, __LINE__, __func__); for (i = 0 ; i < LLD_MAX_FLASH_BANKS; i++) @@ -228,7 +218,7 @@ static uint16_t denali_nand_reset(struct denali_nand_info *denali) ; if (ioread32(denali->flash_reg + intr_status_addresses[i]) & operation_timeout[i]) - nand_dbg_print(NAND_DBG_WARN, + dev_dbg(&denali->dev->dev, "NAND Reset operation timed out on bank %d\n", i); } @@ -266,7 +256,7 @@ static void nand_onfi_timing_set(struct denali_nand_info *denali, uint16_t acc_clks; uint16_t addr_2_data, re_2_we, re_2_re, we_2_re, cs_cnt; - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", + dev_dbg(&denali->dev->dev, "%s, Line %d, Function: %s\n", __FILE__, __LINE__, __func__); en_lo = CEIL_DIV(Trp[mode], CLK_X); @@ -303,7 +293,7 @@ static void nand_onfi_timing_set(struct denali_nand_info *denali, acc_clks++; if ((data_invalid - acc_clks * CLK_X) < 2) - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d: Warning!\n", + dev_warn(&denali->dev->dev, "%s, Line %d: Warning!\n", __FILE__, __LINE__); addr_2_data = CEIL_DIV(Tadl[mode], CLK_X); @@ -431,7 +421,7 @@ static void get_hynix_nand_para(struct denali_nand_info *denali, #endif break; default: - nand_dbg_print(NAND_DBG_WARN, + dev_warn(&denali->dev->dev, "Spectra: Unknown Hynix NAND (Device ID: 0x%x)." "Will use default parameter values instead.\n", device_id); @@ -453,7 +443,7 @@ static void find_valid_banks(struct denali_nand_info *denali) index_addr_read_data(denali, (uint32_t)(MODE_11 | (i << 24) | 2), &id[i]); - nand_dbg_print(NAND_DBG_DEBUG, + dev_dbg(&denali->dev->dev, "Return 1st ID for bank[%d]: %x\n", i, id[i]); if (i == 0) { @@ -473,12 +463,13 @@ static void find_valid_banks(struct denali_nand_info *denali) * Multichip support is not enabled. */ if (denali->total_used_banks != 1) { - printk(KERN_ERR "Sorry, Intel CE4100 only supports " + dev_err(&denali->dev->dev, + "Sorry, Intel CE4100 only supports " "a single NAND device.\n"); BUG(); } } - nand_dbg_print(NAND_DBG_DEBUG, + dev_dbg(&denali->dev->dev, "denali->total_used_banks: %d\n", denali->total_used_banks); } @@ -512,8 +503,9 @@ static uint16_t denali_nand_timing_set(struct denali_nand_info *denali) uint32_t id_bytes[5], addr; uint8_t i, maf_id, device_id; - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); + dev_dbg(&denali->dev->dev, + "%s, Line %d, Function: %s\n", + __FILE__, __LINE__, __func__); /* Use read id method to get device ID and other * params. For some NAND chips, controller can't @@ -540,12 +532,14 @@ static uint16_t denali_nand_timing_set(struct denali_nand_info *denali) get_hynix_nand_para(denali, device_id); } - nand_dbg_print(NAND_DBG_DEBUG, "Dump timing register values:" - "acc_clks: %d, re_2_we: %d, we_2_re: %d," - "addr_2_data: %d, rdwr_en_lo_cnt: %d, " + dev_info(&denali->dev->dev, + "Dump timing register values:" + "acc_clks: %d, re_2_we: %d, re_2_re: %d\n" + "we_2_re: %d, addr_2_data: %d, rdwr_en_lo_cnt: %d\n" "rdwr_en_hi_cnt: %d, cs_setup_cnt: %d\n", ioread32(denali->flash_reg + ACC_CLKS), ioread32(denali->flash_reg + RE_2_WE), + ioread32(denali->flash_reg + RE_2_RE), ioread32(denali->flash_reg + WE_2_RE), ioread32(denali->flash_reg + ADDR_2_DATA), ioread32(denali->flash_reg + RDWR_EN_LO_CNT), @@ -568,7 +562,7 @@ static uint16_t denali_nand_timing_set(struct denali_nand_info *denali) static void denali_set_intr_modes(struct denali_nand_info *denali, uint16_t INT_ENABLE) { - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", + dev_dbg(&denali->dev->dev, "%s, Line %d, Function: %s\n", __FILE__, __LINE__, __func__); if (INT_ENABLE) @@ -645,11 +639,6 @@ static void clear_interrupts(struct denali_nand_info *denali) status = read_interrupt_status(denali); clear_interrupt(denali, status); -#if DEBUG_DENALI - denali->irq_debug_array[denali->idx++] = 0x30000000 | status; - denali->idx %= 32; -#endif - denali->irq_status = 0x0; spin_unlock_irq(&denali->irq_lock); } @@ -663,17 +652,6 @@ static uint32_t read_interrupt_status(struct denali_nand_info *denali) return ioread32(denali->flash_reg + intr_status_reg); } -#if DEBUG_DENALI -static void print_irq_log(struct denali_nand_info *denali) -{ - int i = 0; - - printk(KERN_INFO "ISR debug log index = %X\n", denali->idx); - for (i = 0; i < 32; i++) - printk(KERN_INFO "%08X: %08X\n", i, denali->irq_debug_array[i]); -} -#endif - /* This is the interrupt service routine. It handles all interrupts * sent to this device. Note that on CE4100, this is a shared * interrupt. @@ -694,13 +672,6 @@ static irqreturn_t denali_isr(int irq, void *dev_id) * the interrupt, since this is a shared interrupt */ irq_status = denali_irq_detected(denali); if (irq_status != 0) { -#if DEBUG_DENALI - denali->irq_debug_array[denali->idx++] = - 0x10000000 | irq_status; - denali->idx %= 32; - - printk(KERN_INFO "IRQ status = 0x%04x\n", irq_status); -#endif /* handle interrupt */ /* first acknowledge it */ clear_interrupt(denali, irq_status); @@ -726,41 +697,20 @@ static uint32_t wait_for_irq(struct denali_nand_info *denali, uint32_t irq_mask) unsigned long timeout = msecs_to_jiffies(1000); do { -#if DEBUG_DENALI - printk(KERN_INFO "waiting for 0x%x\n", irq_mask); -#endif comp_res = wait_for_completion_timeout(&denali->complete, timeout); spin_lock_irq(&denali->irq_lock); intr_status = denali->irq_status; -#if DEBUG_DENALI - denali->irq_debug_array[denali->idx++] = - 0x20000000 | (irq_mask << 16) | intr_status; - denali->idx %= 32; -#endif - if (intr_status & irq_mask) { denali->irq_status &= ~irq_mask; spin_unlock_irq(&denali->irq_lock); -#if DEBUG_DENALI - if (retry) - printk(KERN_INFO "status on retry = 0x%x\n", - intr_status); -#endif /* our interrupt was detected */ break; } else { /* these are not the interrupts you are looking for - * need to wait again */ spin_unlock_irq(&denali->irq_lock); -#if DEBUG_DENALI - print_irq_log(denali); - printk(KERN_INFO "received irq nobody cared:" - " irq_status = 0x%x, irq_mask = 0x%x," - " timeout = %ld\n", intr_status, - irq_mask, comp_res); -#endif retry = true; } } while (comp_res != 0); @@ -814,16 +764,6 @@ static int denali_send_pipeline_cmd(struct denali_nand_info *denali, setup_ecc_for_xfer(denali, ecc_en, transfer_spare); -#if DEBUG_DENALI - spin_lock_irq(&denali->irq_lock); - denali->irq_debug_array[denali->idx++] = - 0x40000000 | ioread32(denali->flash_reg + ECC_ENABLE) | - (access_type << 4); - denali->idx %= 32; - spin_unlock_irq(&denali->irq_lock); -#endif - - /* clear interrupts */ clear_interrupts(denali); @@ -862,9 +802,10 @@ static int denali_send_pipeline_cmd(struct denali_nand_info *denali, irq_status = wait_for_irq(denali, irq_mask); if (irq_status == 0) { - printk(KERN_ERR "cmd, page, addr on timeout " - "(0x%x, 0x%x, 0x%x)\n", cmd, - denali->page, addr); + dev_err(&denali->dev->dev, + "cmd, page, addr on timeout " + "(0x%x, 0x%x, 0x%x)\n", + cmd, denali->page, addr); status = FAIL; } else { cmd = MODE_01 | addr; @@ -932,24 +873,15 @@ static int write_oob_data(struct mtd_info *mtd, uint8_t *buf, int page) DENALI_WRITE) == PASS) { write_data_to_flash_mem(denali, buf, mtd->oobsize); -#if DEBUG_DENALI - spin_lock_irq(&denali->irq_lock); - denali->irq_debug_array[denali->idx++] = - 0x80000000 | mtd->oobsize; - denali->idx %= 32; - spin_unlock_irq(&denali->irq_lock); -#endif - - /* wait for operation to complete */ irq_status = wait_for_irq(denali, irq_mask); if (irq_status == 0) { - printk(KERN_ERR "OOB write failed\n"); + dev_err(&denali->dev->dev, "OOB write failed\n"); status = -EIO; } } else { - printk(KERN_ERR "unable to send pipeline command\n"); + dev_err(&denali->dev->dev, "unable to send pipeline command\n"); status = -EIO; } return status; @@ -964,9 +896,6 @@ static void read_oob_data(struct mtd_info *mtd, uint8_t *buf, int page) denali->page = page; -#if DEBUG_DENALI - printk(KERN_INFO "read_oob %d\n", page); -#endif if (denali_send_pipeline_cmd(denali, false, true, SPARE_ACCESS, DENALI_READ) == PASS) { read_data_from_flash_mem(denali, buf, mtd->oobsize); @@ -977,7 +906,7 @@ static void read_oob_data(struct mtd_info *mtd, uint8_t *buf, int page) irq_status = wait_for_irq(denali, irq_mask); if (irq_status == 0) - printk(KERN_ERR "page on OOB timeout %d\n", + dev_err(&denali->dev->dev, "page on OOB timeout %d\n", denali->page); /* We set the device back to MAIN_ACCESS here as I observed @@ -989,14 +918,6 @@ static void read_oob_data(struct mtd_info *mtd, uint8_t *buf, int page) addr = BANK(denali->flash_bank) | denali->page; cmd = MODE_10 | addr; index_addr(denali, (uint32_t)cmd, MAIN_ACCESS); - -#if DEBUG_DENALI - spin_lock_irq(&denali->irq_lock); - denali->irq_debug_array[denali->idx++] = - 0x60000000 | mtd->oobsize; - denali->idx %= 32; - spin_unlock_irq(&denali->irq_lock); -#endif } } @@ -1070,13 +991,6 @@ static bool handle_ecc(struct denali_nand_info *denali, uint8_t *buf, * */ check_erased_page = true; } - -#if DEBUG_DENALI - printk(KERN_INFO "Detected ECC error in page %d:" - " err_addr = 0x%08x, info to fix is" - " 0x%08x\n", denali->page, err_address, - err_correction_info); -#endif } while (!ECC_LAST_ERR(err_correction_info)); /* Once handle all ecc errors, controller will triger * a ECC_TRANSACTION_DONE interrupt, so here just wait @@ -1170,8 +1084,9 @@ static void write_page(struct mtd_info *mtd, struct nand_chip *chip, irq_status = wait_for_irq(denali, irq_mask); if (irq_status == 0) { - printk(KERN_ERR "timeout on write_page" - " (type = %d)\n", raw_xfer); + dev_err(&denali->dev->dev, + "timeout on write_page (type = %d)\n", + raw_xfer); denali->status = (irq_status & INTR_STATUS0__PROGRAM_FAIL) ? NAND_STATUS_FAIL : PASS; @@ -1308,18 +1223,13 @@ static uint8_t denali_read_byte(struct mtd_info *mtd) if (denali->buf.head < denali->buf.tail) result = denali->buf.buf[denali->buf.head++]; -#if DEBUG_DENALI - printk(KERN_INFO "read byte -> 0x%02x\n", result); -#endif return result; } static void denali_select_chip(struct mtd_info *mtd, int chip) { struct denali_nand_info *denali = mtd_to_denali(mtd); -#if DEBUG_DENALI - printk(KERN_INFO "denali select chip %d\n", chip); -#endif + spin_lock_irq(&denali->irq_lock); denali->flash_bank = chip; spin_unlock_irq(&denali->irq_lock); @@ -1331,9 +1241,6 @@ static int denali_waitfunc(struct mtd_info *mtd, struct nand_chip *chip) int status = denali->status; denali->status = 0; -#if DEBUG_DENALI - printk(KERN_INFO "waitfunc %d\n", status); -#endif return status; } @@ -1343,9 +1250,6 @@ static void denali_erase(struct mtd_info *mtd, int page) uint32_t cmd = 0x0, irq_status = 0; -#if DEBUG_DENALI - printk(KERN_INFO "erase page: %d\n", page); -#endif /* clear interrupts */ clear_interrupts(denali); @@ -1368,9 +1272,6 @@ static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col, uint32_t addr, id; int i; -#if DEBUG_DENALI - printk(KERN_INFO "cmdfunc: 0x%x %d %d\n", cmd, col, page); -#endif switch (cmd) { case NAND_CMD_PAGEPROG: break; @@ -1414,7 +1315,9 @@ static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col, static int denali_ecc_calculate(struct mtd_info *mtd, const uint8_t *data, uint8_t *ecc_code) { - printk(KERN_ERR "denali_ecc_calculate called unexpectedly\n"); + struct denali_nand_info *denali = mtd_to_denali(mtd); + dev_err(&denali->dev->dev, + "denali_ecc_calculate called unexpectedly\n"); BUG(); return -EIO; } @@ -1422,14 +1325,18 @@ static int denali_ecc_calculate(struct mtd_info *mtd, const uint8_t *data, static int denali_ecc_correct(struct mtd_info *mtd, uint8_t *data, uint8_t *read_ecc, uint8_t *calc_ecc) { - printk(KERN_ERR "denali_ecc_correct called unexpectedly\n"); + struct denali_nand_info *denali = mtd_to_denali(mtd); + dev_err(&denali->dev->dev, + "denali_ecc_correct called unexpectedly\n"); BUG(); return -EIO; } static void denali_ecc_hwctl(struct mtd_info *mtd, int mode) { - printk(KERN_ERR "denali_ecc_hwctl called unexpectedly\n"); + struct denali_nand_info *denali = mtd_to_denali(mtd); + dev_err(&denali->dev->dev, + "denali_ecc_hwctl called unexpectedly\n"); BUG(); } /* end NAND core entry points */ @@ -1525,9 +1432,6 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) unsigned long csr_len, mem_len; struct denali_nand_info *denali; - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - denali = kzalloc(sizeof(*denali), GFP_KERNEL); if (!denali) return -ENOMEM; @@ -1562,11 +1466,6 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) if (!mem_len) { mem_base = csr_base + csr_len; mem_len = csr_len; - nand_dbg_print(NAND_DBG_WARN, - "Spectra: No second" - " BAR for PCI device;" - " assuming %08Lx\n", - (uint64_t)csr_base); } } @@ -1583,7 +1482,7 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) PCI_DMA_BIDIRECTIONAL); if (pci_dma_mapping_error(dev, denali->buf.dma_buf)) { - printk(KERN_ERR "Spectra: failed to map DMA buffer\n"); + dev_err(&dev->dev, "Spectra: failed to map DMA buffer\n"); goto failed_enable_dev; } @@ -1602,8 +1501,6 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) ret = -ENOMEM; goto failed_req_regions; } - nand_dbg_print(NAND_DBG_DEBUG, "Spectra: CSR 0x%08Lx -> 0x%p (0x%lx)\n", - (uint64_t)csr_base, denali->flash_reg, csr_len); denali->flash_mem = ioremap_nocache(mem_base, mem_len); if (!denali->flash_mem) { @@ -1612,15 +1509,9 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) goto failed_remap_reg; } - nand_dbg_print(NAND_DBG_WARN, - "Spectra: Remapped flash base address: " - "0x%p, len: %ld\n", - denali->flash_mem, csr_len); - denali_hw_init(denali); denali_drv_init(denali); - nand_dbg_print(NAND_DBG_DEBUG, "Spectra: IRQ %d\n", dev->irq); if (request_irq(dev->irq, denali_isr, IRQF_SHARED, DENALI_NAND_NAME, denali)) { printk(KERN_ERR "Spectra: Unable to allocate IRQ\n"); @@ -1635,18 +1526,6 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) denali_nand_timing_set(denali); - nand_dbg_print(NAND_DBG_DEBUG, "Dump timing register values:" - "acc_clks: %d, re_2_we: %d, we_2_re: %d," - "addr_2_data: %d, rdwr_en_lo_cnt: %d, " - "rdwr_en_hi_cnt: %d, cs_setup_cnt: %d\n", - ioread32(denali->flash_reg + ACC_CLKS), - ioread32(denali->flash_reg + RE_2_WE), - ioread32(denali->flash_reg + WE_2_RE), - ioread32(denali->flash_reg + ADDR_2_DATA), - ioread32(denali->flash_reg + RDWR_EN_LO_CNT), - ioread32(denali->flash_reg + RDWR_EN_HI_CNT), - ioread32(denali->flash_reg + CS_SETUP_CNT)); - denali->mtd.name = "Denali NAND"; denali->mtd.owner = THIS_MODULE; denali->mtd.priv = &denali->nand; @@ -1772,8 +1651,8 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) ret = add_mtd_device(&denali->mtd); if (ret) { - printk(KERN_ERR "Spectra: Failed to register" - " MTD device: %d\n", ret); + dev_err(&dev->dev, "Spectra: Failed to register MTD: %d\n", + ret); goto failed_req_irq; } return 0; @@ -1801,9 +1680,6 @@ static void denali_pci_remove(struct pci_dev *dev) { struct denali_nand_info *denali = pci_get_drvdata(dev); - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - nand_release(&denali->mtd); del_mtd_device(&denali->mtd); -- cgit v1.2.3-55-g7522