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@@ -16,8 +16,6 @@
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#define IDEDISK_VERSION "1.18"
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-//#define DEBUG
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-
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/string.h>
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@@ -88,7 +86,7 @@ static void ide_disk_put(struct ide_disk_obj *idkp)
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*
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* It is called only once for each drive.
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*/
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-static int lba_capacity_is_ok (struct hd_driveid *id)
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+static int lba_capacity_is_ok(struct hd_driveid *id)
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{
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unsigned long lba_sects, chs_sects, head, tail;
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@@ -176,7 +174,8 @@ static void ide_tf_set_cmd(ide_drive_t *drive, ide_task_t *task, u8 dma)
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* __ide_do_rw_disk() issues READ and WRITE commands to a disk,
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* using LBA if supported, or CHS otherwise, to address sectors.
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*/
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-static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq, sector_t block)
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+static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
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+ sector_t block)
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{
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ide_hwif_t *hwif = HWIF(drive);
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unsigned int dma = drive->using_dma;
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@@ -228,7 +227,8 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
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tf->device = (block >> 8) & 0xf;
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}
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} else {
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- unsigned int sect,head,cyl,track;
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+ unsigned int sect, head, cyl, track;
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+
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track = (int)block / drive->sect;
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sect = (int)block % drive->sect + 1;
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head = track % drive->head;
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@@ -271,7 +271,8 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
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* 1073741822 == 549756 MB or 48bit addressing fake drive
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*/
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-static ide_startstop_t ide_do_rw_disk (ide_drive_t *drive, struct request *rq, sector_t block)
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+static ide_startstop_t ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
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+ sector_t block)
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{
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ide_hwif_t *hwif = HWIF(drive);
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@@ -452,7 +453,7 @@ static void idedisk_check_hpa(ide_drive_t *drive)
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* in above order (i.e., if value of higher priority is available,
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* reset will be ignored).
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*/
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-static void init_idedisk_capacity (ide_drive_t *drive)
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+static void init_idedisk_capacity(ide_drive_t *drive)
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{
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struct hd_driveid *id = drive->id;
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/*
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@@ -479,7 +480,7 @@ static void init_idedisk_capacity (ide_drive_t *drive)
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}
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}
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-static sector_t idedisk_capacity (ide_drive_t *drive)
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+static sector_t idedisk_capacity(ide_drive_t *drive)
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{
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return drive->capacity64 - drive->sect0;
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}
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@@ -524,10 +525,11 @@ static int proc_idedisk_read_cache
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int len;
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if (drive->id_read)
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- len = sprintf(out,"%i\n", drive->id->buf_size / 2);
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+ len = sprintf(out, "%i\n", drive->id->buf_size / 2);
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else
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- len = sprintf(out,"(none)\n");
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- PROC_IDE_READ_RETURN(page,start,off,count,eof,len);
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+ len = sprintf(out, "(none)\n");
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+
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+ PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
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}
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static int proc_idedisk_read_capacity
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@@ -536,8 +538,9 @@ static int proc_idedisk_read_capacity
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ide_drive_t*drive = (ide_drive_t *)data;
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int len;
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- len = sprintf(page,"%llu\n", (long long)idedisk_capacity(drive));
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- PROC_IDE_READ_RETURN(page,start,off,count,eof,len);
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+ len = sprintf(page, "%llu\n", (long long)idedisk_capacity(drive));
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+
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+ PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
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}
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static int proc_idedisk_read_smart(char *page, char **start, off_t off,
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@@ -551,12 +554,14 @@ static int proc_idedisk_read_smart(char *page, char **start, off_t off,
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char *out = ((char *)val) + (SECTOR_WORDS * 4);
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page = out;
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do {
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- out += sprintf(out, "%04x%c", le16_to_cpu(*val), (++i & 7) ? ' ' : '\n');
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+ out += sprintf(out, "%04x%c", le16_to_cpu(*val),
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+ (++i & 7) ? ' ' : '\n');
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val += 1;
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} while (i < (SECTOR_WORDS * 2));
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len = out - page;
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}
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- PROC_IDE_READ_RETURN(page,start,off,count,eof,len);
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+
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+ PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
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}
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static int proc_idedisk_read_sv
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@@ -620,12 +625,13 @@ static int set_multcount(ide_drive_t *drive, int arg)
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if (drive->special.b.set_multmode)
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return -EBUSY;
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- ide_init_drive_cmd (&rq);
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+ ide_init_drive_cmd(&rq);
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rq.cmd_type = REQ_TYPE_ATA_TASKFILE;
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drive->mult_req = arg;
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drive->special.b.set_multmode = 1;
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- (void) ide_do_drive_cmd (drive, &rq, ide_wait);
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+ (void)ide_do_drive_cmd(drive, &rq, ide_wait);
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+
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return (drive->mult_count == arg) ? 0 : -EIO;
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}
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@@ -701,7 +707,7 @@ static int write_cache(ide_drive_t *drive, int arg)
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return err;
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}
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-static int do_idedisk_flushcache (ide_drive_t *drive)
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+static int do_idedisk_flushcache(ide_drive_t *drive)
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{
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ide_task_t args;
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@@ -714,7 +720,7 @@ static int do_idedisk_flushcache (ide_drive_t *drive)
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return ide_no_data_taskfile(drive, &args);
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}
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-static int set_acoustic (ide_drive_t *drive, int arg)
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+static int set_acoustic(ide_drive_t *drive, int arg)
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{
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ide_task_t args;
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@@ -748,7 +754,7 @@ static int set_lba_addressing(ide_drive_t *drive, int arg)
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return 0;
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if (!idedisk_supports_lba48(drive->id))
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- return -EIO;
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+ return -EIO;
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drive->addressing = arg;
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return 0;
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}
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@@ -758,23 +764,35 @@ static void idedisk_add_settings(ide_drive_t *drive)
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{
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struct hd_driveid *id = drive->id;
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- ide_add_setting(drive, "bios_cyl", SETTING_RW, TYPE_INT, 0, 65535, 1, 1, &drive->bios_cyl, NULL);
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- ide_add_setting(drive, "bios_head", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1, &drive->bios_head, NULL);
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- ide_add_setting(drive, "bios_sect", SETTING_RW, TYPE_BYTE, 0, 63, 1, 1, &drive->bios_sect, NULL);
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- ide_add_setting(drive, "address", SETTING_RW, TYPE_BYTE, 0, 2, 1, 1, &drive->addressing, set_lba_addressing);
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- ide_add_setting(drive, "multcount", SETTING_RW, TYPE_BYTE, 0, id->max_multsect, 1, 1, &drive->mult_count, set_multcount);
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- ide_add_setting(drive, "nowerr", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->nowerr, set_nowerr);
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- ide_add_setting(drive, "lun", SETTING_RW, TYPE_INT, 0, 7, 1, 1, &drive->lun, NULL);
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- ide_add_setting(drive, "wcache", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->wcache, write_cache);
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- ide_add_setting(drive, "acoustic", SETTING_RW, TYPE_BYTE, 0, 254, 1, 1, &drive->acoustic, set_acoustic);
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- ide_add_setting(drive, "failures", SETTING_RW, TYPE_INT, 0, 65535, 1, 1, &drive->failures, NULL);
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- ide_add_setting(drive, "max_failures", SETTING_RW, TYPE_INT, 0, 65535, 1, 1, &drive->max_failures, NULL);
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+ ide_add_setting(drive, "bios_cyl", SETTING_RW, TYPE_INT, 0, 65535, 1, 1,
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+ &drive->bios_cyl, NULL);
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+ ide_add_setting(drive, "bios_head", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1,
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+ &drive->bios_head, NULL);
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+ ide_add_setting(drive, "bios_sect", SETTING_RW, TYPE_BYTE, 0, 63, 1, 1,
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+ &drive->bios_sect, NULL);
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+ ide_add_setting(drive, "address", SETTING_RW, TYPE_BYTE, 0, 2, 1, 1,
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+ &drive->addressing, set_lba_addressing);
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+ ide_add_setting(drive, "multcount", SETTING_RW, TYPE_BYTE, 0,
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+ id->max_multsect, 1, 1, &drive->mult_count,
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+ set_multcount);
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+ ide_add_setting(drive, "nowerr", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1,
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+ &drive->nowerr, set_nowerr);
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+ ide_add_setting(drive, "lun", SETTING_RW, TYPE_INT, 0, 7, 1, 1,
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+ &drive->lun, NULL);
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+ ide_add_setting(drive, "wcache", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1,
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+ &drive->wcache, write_cache);
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+ ide_add_setting(drive, "acoustic", SETTING_RW, TYPE_BYTE, 0, 254, 1, 1,
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+ &drive->acoustic, set_acoustic);
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+ ide_add_setting(drive, "failures", SETTING_RW, TYPE_INT, 0, 65535, 1, 1,
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+ &drive->failures, NULL);
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+ ide_add_setting(drive, "max_failures", SETTING_RW, TYPE_INT, 0, 65535,
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+ 1, 1, &drive->max_failures, NULL);
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}
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#else
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static inline void idedisk_add_settings(ide_drive_t *drive) { ; }
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#endif
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-static void idedisk_setup (ide_drive_t *drive)
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+static void idedisk_setup(ide_drive_t *drive)
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{
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ide_hwif_t *hwif = drive->hwif;
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struct hd_driveid *id = drive->id;
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@@ -787,11 +805,10 @@ static void idedisk_setup (ide_drive_t *drive)
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if (drive->removable) {
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/*
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- * Removable disks (eg. SYQUEST); ignore 'WD' drives
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+ * Removable disks (eg. SYQUEST); ignore 'WD' drives
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*/
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- if (id->model[0] != 'W' || id->model[1] != 'D') {
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+ if (id->model[0] != 'W' || id->model[1] != 'D')
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drive->doorlocking = 1;
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- }
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}
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(void)set_lba_addressing(drive, 1);
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@@ -805,10 +822,11 @@ static void idedisk_setup (ide_drive_t *drive)
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blk_queue_max_sectors(drive->queue, max_s);
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}
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- printk(KERN_INFO "%s: max request size: %dKiB\n", drive->name, drive->queue->max_sectors / 2);
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+ printk(KERN_INFO "%s: max request size: %dKiB\n", drive->name,
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+ drive->queue->max_sectors / 2);
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/* calculate drive capacity, and select LBA if possible */
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- init_idedisk_capacity (drive);
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+ init_idedisk_capacity(drive);
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/* limit drive capacity to 137GB if LBA48 cannot be used */
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if (drive->addressing == 0 && drive->capacity64 > 1ULL << 28) {
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@@ -821,9 +839,9 @@ static void idedisk_setup (ide_drive_t *drive)
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if ((hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) && drive->addressing) {
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if (drive->capacity64 > 1ULL << 28) {
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- printk(KERN_INFO "%s: cannot use LBA48 DMA - PIO mode will"
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- " be used for accessing sectors > %u\n",
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- drive->name, 1 << 28);
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+ printk(KERN_INFO "%s: cannot use LBA48 DMA - PIO mode"
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+ " will be used for accessing sectors "
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+ "> %u\n", drive->name, 1 << 28);
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} else
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drive->addressing = 0;
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}
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@@ -832,7 +850,8 @@ static void idedisk_setup (ide_drive_t *drive)
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* if possible, give fdisk access to more of the drive,
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* by correcting bios_cyls:
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*/
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- capacity = idedisk_capacity (drive);
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+ capacity = idedisk_capacity(drive);
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+
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if (!drive->forced_geom) {
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if (idedisk_supports_lba48(drive->id)) {
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@@ -988,7 +1007,8 @@ static int idedisk_open(struct inode *inode, struct file *filp)
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struct ide_disk_obj *idkp;
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ide_drive_t *drive;
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- if (!(idkp = ide_disk_get(disk)))
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+ idkp = ide_disk_get(disk);
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+ if (idkp == NULL)
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return -ENXIO;
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drive = idkp->drive;
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@@ -1110,13 +1130,13 @@ static int idedisk_revalidate_disk(struct gendisk *disk)
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}
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static struct block_device_operations idedisk_ops = {
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- .owner = THIS_MODULE,
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- .open = idedisk_open,
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- .release = idedisk_release,
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- .ioctl = idedisk_ioctl,
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- .getgeo = idedisk_getgeo,
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- .media_changed = idedisk_media_changed,
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- .revalidate_disk= idedisk_revalidate_disk
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+ .owner = THIS_MODULE,
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+ .open = idedisk_open,
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+ .release = idedisk_release,
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+ .ioctl = idedisk_ioctl,
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+ .getgeo = idedisk_getgeo,
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+ .media_changed = idedisk_media_changed,
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+ .revalidate_disk = idedisk_revalidate_disk
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};
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MODULE_DESCRIPTION("ATA DISK Driver");
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@@ -1179,7 +1199,7 @@ failed:
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return -ENODEV;
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}
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-static void __exit idedisk_exit (void)
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+static void __exit idedisk_exit(void)
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{
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driver_unregister(&idedisk_driver.gen_driver);
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}
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