diff options
Diffstat (limited to 'drivers/ide')
-rw-r--r-- | drivers/ide/ide-floppy.c | 140 |
1 files changed, 75 insertions, 65 deletions
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 2a54a25090c..3de9478fe30 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -16,6 +16,7 @@ */ #define DRV_NAME "ide-floppy" +#define PFX DRV_NAME ": " #define IDEFLOPPY_VERSION "1.00" @@ -49,16 +50,12 @@ #include "ide-floppy.h" /* define to see debug info */ -#define IDEFLOPPY_DEBUG_LOG 0 - -/* #define IDEFLOPPY_DEBUG(fmt, args...) printk(KERN_INFO fmt, ## args) */ -#define IDEFLOPPY_DEBUG(fmt, args...) +#define IDEFLOPPY_DEBUG_LOG 0 #if IDEFLOPPY_DEBUG_LOG -#define debug_log(fmt, args...) \ - printk(KERN_INFO "ide-floppy: " fmt, ## args) +#define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, args) #else -#define debug_log(fmt, args...) do {} while (0) +#define ide_debug_log(lvl, fmt, args...) do {} while (0) #endif /* @@ -122,13 +119,21 @@ static int idefloppy_end_request(ide_drive_t *drive, int uptodate, int nsecs) struct request *rq = HWGROUP(drive)->rq; int error; - debug_log("Reached %s\n", __func__); + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); switch (uptodate) { - case 0: error = IDEFLOPPY_ERROR_GENERAL; break; - case 1: error = 0; break; - default: error = uptodate; + case 0: + error = IDEFLOPPY_ERROR_GENERAL; + break; + + case 1: + error = 0; + break; + + default: + error = uptodate; } + if (error) floppy->failed_pc = NULL; /* Why does this happen? */ @@ -161,7 +166,7 @@ static void ide_floppy_callback(ide_drive_t *drive, int dsc) struct ide_atapi_pc *pc = drive->pc; int uptodate = pc->error ? 0 : 1; - debug_log("Reached %s\n", __func__); + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); if (floppy->failed_pc == pc) floppy->failed_pc = NULL; @@ -180,13 +185,15 @@ static void ide_floppy_callback(ide_drive_t *drive, int dsc) (u16)get_unaligned((u16 *)&buf[16]) : 0x10000; if (floppy->failed_pc) - debug_log("pc = %x, ", floppy->failed_pc->c[0]); + ide_debug_log(IDE_DBG_PC, "pc = %x, ", + floppy->failed_pc->c[0]); - debug_log("sense key = %x, asc = %x, ascq = %x\n", - floppy->sense_key, floppy->asc, floppy->ascq); + ide_debug_log(IDE_DBG_SENSE, "sense key = %x, asc = %x," + "ascq = %x\n", floppy->sense_key, + floppy->asc, floppy->ascq); } else - printk(KERN_ERR "Error in REQUEST SENSE itself - " - "Aborting request!\n"); + printk(KERN_ERR PFX "Error in REQUEST SENSE itself - " + "Aborting request!\n"); } idefloppy_end_request(drive, uptodate, 0); @@ -201,7 +208,7 @@ static void ide_floppy_report_error(idefloppy_floppy_t *floppy, floppy->ascq == 0x00) return; - printk(KERN_ERR "ide-floppy: %s: I/O error, pc = %2x, key = %2x, " + printk(KERN_ERR PFX "%s: I/O error, pc = %2x, key = %2x, " "asc = %2x, ascq = %2x\n", floppy->drive->name, pc->c[0], floppy->sense_key, floppy->asc, floppy->ascq); @@ -231,7 +238,7 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive, return ide_stopped; } - debug_log("Retry number - %d\n", pc->retries); + ide_debug_log(IDE_DBG_FUNC, "%s: Retry #%d\n", __func__, pc->retries); pc->retries++; @@ -265,23 +272,23 @@ void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *pc, u8 page_code) length += 32; break; default: - printk(KERN_ERR "ide-floppy: unsupported page code " - "in create_mode_sense_cmd\n"); + printk(KERN_ERR PFX "unsupported page code in %s\n", __func__); } put_unaligned(cpu_to_be16(length), (u16 *) &pc->c[7]); pc->req_xfer = length; } -static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy, +static void idefloppy_create_rw_cmd(ide_drive_t *drive, struct ide_atapi_pc *pc, struct request *rq, unsigned long sector) { + idefloppy_floppy_t *floppy = drive->driver_data; int block = sector / floppy->bs_factor; int blocks = rq->nr_sectors / floppy->bs_factor; int cmd = rq_data_dir(rq); - debug_log("create_rw10_cmd: block == %d, blocks == %d\n", - block, blocks); + ide_debug_log(IDE_DBG_FUNC, "%s: block: %d, blocks: %d\n", __func__, + block, blocks); ide_init_pc(pc); pc->c[0] = cmd == READ ? GPCMD_READ_10 : GPCMD_WRITE_10; @@ -326,41 +333,42 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive, struct ide_atapi_pc *pc; unsigned long block = (unsigned long)block_s; - debug_log("%s: dev: %s, cmd: 0x%x, cmd_type: %x, errors: %d\n", - __func__, rq->rq_disk ? rq->rq_disk->disk_name : "?", - rq->cmd[0], rq->cmd_type, rq->errors); + ide_debug_log(IDE_DBG_FUNC, "%s: dev: %s, cmd: 0x%x, cmd_type: %x, " + "errors: %d\n", + __func__, rq->rq_disk ? rq->rq_disk->disk_name : "?", + rq->cmd[0], rq->cmd_type, rq->errors); - debug_log("%s: sector: %ld, nr_sectors: %ld, current_nr_sectors: %d\n", - __func__, (long)rq->sector, rq->nr_sectors, - rq->current_nr_sectors); + ide_debug_log(IDE_DBG_FUNC, "%s: sector: %ld, nr_sectors: %ld, " + "current_nr_sectors: %d\n", + __func__, (long)rq->sector, rq->nr_sectors, + rq->current_nr_sectors); if (rq->errors >= ERROR_MAX) { if (floppy->failed_pc) ide_floppy_report_error(floppy, floppy->failed_pc); else - printk(KERN_ERR "ide-floppy: %s: I/O error\n", - drive->name); + printk(KERN_ERR PFX "%s: I/O error\n", drive->name); + idefloppy_end_request(drive, 0, 0); return ide_stopped; } if (blk_fs_request(rq)) { if (((long)rq->sector % floppy->bs_factor) || (rq->nr_sectors % floppy->bs_factor)) { - printk(KERN_ERR "%s: unsupported r/w request size\n", - drive->name); + printk(KERN_ERR PFX "%s: unsupported r/w rq size\n", + drive->name); idefloppy_end_request(drive, 0, 0); return ide_stopped; } pc = &floppy->queued_pc; - idefloppy_create_rw_cmd(floppy, pc, rq, block); + idefloppy_create_rw_cmd(drive, pc, rq, block); } else if (blk_special_request(rq)) { pc = (struct ide_atapi_pc *) rq->buffer; } else if (blk_pc_request(rq)) { pc = &floppy->queued_pc; idefloppy_blockpc_cmd(floppy, pc, rq); } else { - blk_dump_rq_flags(rq, - "ide-floppy: unsupported command in queue"); + blk_dump_rq_flags(rq, PFX "unsupported command in queue"); idefloppy_end_request(drive, 0, 0); return ide_stopped; } @@ -393,8 +401,7 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive) ide_floppy_create_mode_sense_cmd(&pc, IDEFLOPPY_FLEXIBLE_DISK_PAGE); if (ide_queue_pc_tail(drive, disk, &pc)) { - printk(KERN_ERR "ide-floppy: Can't get flexible disk page" - " parameters\n"); + printk(KERN_ERR PFX "Can't get flexible disk page params\n"); return 1; } @@ -417,7 +424,7 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive) capacity = cyls * heads * sectors * sector_size; if (memcmp(page, &floppy->flexible_disk_page, 32)) - printk(KERN_INFO "%s: %dkB, %d/%d/%d CHS, %d kBps, " + printk(KERN_INFO PFX "%s: %dkB, %d/%d/%d CHS, %d kBps, " "%d sector size, %d rpm\n", drive->name, capacity / 1024, cyls, heads, sectors, transfer_rate / 8, sector_size, rpm); @@ -429,7 +436,7 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive) lba_capacity = floppy->blocks * floppy->block_size; if (capacity < lba_capacity) { - printk(KERN_NOTICE "%s: The disk reports a capacity of %d " + printk(KERN_NOTICE PFX "%s: The disk reports a capacity of %d " "bytes, but the drive only handles %d\n", drive->name, lba_capacity, capacity); floppy->blocks = floppy->block_size ? @@ -459,7 +466,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) ide_floppy_create_read_capacity_cmd(&pc); if (ide_queue_pc_tail(drive, disk, &pc)) { - printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n"); + printk(KERN_ERR PFX "Can't get floppy parameters\n"); return 1; } header_len = pc.buf[3]; @@ -472,8 +479,9 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) blocks = be32_to_cpup((__be32 *)&pc.buf[desc_start]); length = be16_to_cpup((__be16 *)&pc.buf[desc_start + 6]); - debug_log("Descriptor %d: %dkB, %d blocks, %d sector size\n", - i, blocks * length / 1024, blocks, length); + ide_debug_log(IDE_DBG_PROBE, "Descriptor %d: %dkB, %d blocks, " + "%d sector size\n", + i, blocks * length / 1024, blocks, length); if (i) continue; @@ -493,23 +501,24 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) case CAPACITY_CURRENT: /* Normal Zip/LS-120 disks */ if (memcmp(cap_desc, &floppy->cap_desc, 8)) - printk(KERN_INFO "%s: %dkB, %d blocks, %d " - "sector size\n", drive->name, - blocks * length / 1024, blocks, length); + printk(KERN_INFO PFX "%s: %dkB, %d blocks, %d " + "sector size\n", + drive->name, blocks * length / 1024, + blocks, length); memcpy(&floppy->cap_desc, cap_desc, 8); if (!length || length % 512) { - printk(KERN_NOTICE "%s: %d bytes block size " - "not supported\n", drive->name, length); + printk(KERN_NOTICE PFX "%s: %d bytes block size" + " not supported\n", drive->name, length); } else { floppy->blocks = blocks; floppy->block_size = length; floppy->bs_factor = length / 512; if (floppy->bs_factor != 1) - printk(KERN_NOTICE "%s: warning: non " - "512 bytes block size not " - "fully supported\n", - drive->name); + printk(KERN_NOTICE PFX "%s: Warning: " + "non 512 bytes block size not " + "fully supported\n", + drive->name); rc = 0; } break; @@ -518,15 +527,16 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) * This is a KERN_ERR so it appears on screen * for the user to see */ - printk(KERN_ERR "%s: No disk in drive\n", drive->name); + printk(KERN_ERR PFX "%s: No disk in drive\n", + drive->name); break; case CAPACITY_INVALID: - printk(KERN_ERR "%s: Invalid capacity for disk " + printk(KERN_ERR PFX "%s: Invalid capacity for disk " "in drive\n", drive->name); break; } - debug_log("Descriptor 0 Code: %d\n", - pc.buf[desc_start + 4] & 0x03); + ide_debug_log(IDE_DBG_PROBE, "Descriptor 0 Code: %d\n", + pc.buf[desc_start + 4] & 0x03); } /* Clik! disk does not support get_flexible_disk_page */ @@ -676,14 +686,14 @@ static int idefloppy_open(struct inode *inode, struct file *filp) ide_drive_t *drive; int ret = 0; - debug_log("Reached %s\n", __func__); - floppy = ide_floppy_get(disk); if (!floppy) return -ENXIO; drive = floppy->drive; + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); + floppy->openers++; if (floppy->openers == 1) { @@ -731,7 +741,7 @@ static int idefloppy_release(struct inode *inode, struct file *filp) struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj); ide_drive_t *drive = floppy->drive; - debug_log("Reached %s\n", __func__); + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); if (floppy->openers == 1) { ide_set_media_lock(drive, disk, 0); @@ -852,14 +862,14 @@ static int ide_floppy_probe(ide_drive_t *drive) goto failed; if (!ide_check_atapi_device(drive, DRV_NAME)) { - printk(KERN_ERR "ide-floppy: %s: not supported by this version" - " of ide-floppy\n", drive->name); + printk(KERN_ERR PFX "%s: not supported by this version of " + DRV_NAME "\n", drive->name); goto failed; } floppy = kzalloc(sizeof(idefloppy_floppy_t), GFP_KERNEL); if (!floppy) { - printk(KERN_ERR "ide-floppy: %s: Can't allocate a floppy" - " structure\n", drive->name); + printk(KERN_ERR PFX "%s: Can't allocate a floppy structure\n", + drive->name); goto failed; } @@ -902,7 +912,7 @@ static void __exit idefloppy_exit(void) static int __init idefloppy_init(void) { - printk("ide-floppy driver " IDEFLOPPY_VERSION "\n"); + printk(KERN_INFO DRV_NAME " driver " IDEFLOPPY_VERSION "\n"); return driver_register(&idefloppy_driver.gen_driver); } |