#define PH_HEAD(floppy, head) (((((floppy)->stretch & 2) >> 1) ^ head) << 2)
#define STRETCH(floppy) ((floppy)->stretch & FD_STRETCH)
-#define CLEARSTRUCT(x) memset((x), 0, sizeof(*(x)))
-
/* read/write */
#define COMMAND (raw_cmd->cmd[0])
#define DR_SELECT (raw_cmd->cmd[1])
default:
DPRINT("Invalid data rate for perpendicular mode!\n");
cont->done(0);
- FDCS->reset = 1; /* convenient way to return to
- * redo without to much hassle (deep
- * stack et al. */
+ FDCS->reset = 1;
+ /*
+ * convenient way to return to
+ * redo without too much hassle
+ * (deep stack et al.)
+ */
return;
}
} else
#endif
if (!(raw_cmd->flags & FD_RAW_NO_MOTOR) &&
disk_change(current_drive) && !DP->select_delay)
- twaddle(); /* this clears the dcl on certain drive/controller
- * combinations */
+ twaddle(); /* this clears the dcl on certain
+ * drive/controller combinations */
#ifdef fd_chose_dma_mode
if ((raw_cmd->flags & FD_RAW_READ) || (raw_cmd->flags & FD_RAW_WRITE)) {
((CT(COMMAND) == FD_READ ||
(!in_sector_offset && blk_rq_sectors(current_req) >= ssize)) &&
max_sector > 2 * max_buffer_sectors + buffer_min &&
- max_size + fsector_t > 2 * max_buffer_sectors + buffer_min)
- /* not enough space */
- ) {
+ max_size + fsector_t > 2 * max_buffer_sectors + buffer_min)) {
+ /* not enough space */
buffer_track = -1;
buffer_drive = current_drive;
buffer_max = buffer_min = aligned_sector_t;
}
raw_cmd->kernel_data = floppy_track_buffer +
- ((aligned_sector_t - buffer_min) << 9);
+ ((aligned_sector_t - buffer_min) << 9);
if (CT(COMMAND) == FD_WRITE) {
/* copy write buffer to track buffer.
COPYOUT(*ptr);
param += sizeof(struct floppy_raw_cmd);
if ((ptr->flags & FD_RAW_READ) && ptr->buffer_length) {
- if (ptr->length >= 0
- && ptr->length <= ptr->buffer_length)
- ECALL(fd_copyout
- (ptr->data, ptr->kernel_data,
- ptr->buffer_length - ptr->length));
+ if (ptr->length >= 0 &&
+ ptr->length <= ptr->buffer_length) {
+ long length = ptr->buffer_length - ptr->length;
+ ECALL(fd_copyout(ptr->data, ptr->kernel_data,
+ length));
+ }
}
ptr = ptr->next;
}
unsigned long param)
{
#define FD_IOCTL_ALLOWED (mode & (FMODE_WRITE|FMODE_WRITE_IOCTL))
-#define OUT(c,x) case c: outparam = (const char *) (x); break
-#define IN(c,x,tag) case c: *(x) = inparam. tag ; return 0
int drive = (long)bdev->bd_disk->private_data;
int type = ITYPE(UDRS->fd_device);
return -EINVAL;
/* copyin */
- CLEARSTRUCT(&inparam);
+ memset(&inparam, 0, sizeof(inparam));
if (_IOC_DIR(cmd) & _IOC_WRITE)
- ECALL(fd_copyin((void __user *)param, &inparam, size))
-
- switch (cmd) {
- case FDEJECT:
- if (UDRS->fd_ref != 1)
- /* somebody else has this drive open */
- return -EBUSY;
- LOCK_FDC(drive, 1);
-
- /* do the actual eject. Fails on
- * non-Sparc architectures */
- ret = fd_eject(UNIT(drive));
-
- USETF(FD_DISK_CHANGED);
- USETF(FD_VERIFY);
- process_fd_request();
- return ret;
- case FDCLRPRM:
- LOCK_FDC(drive, 1);
- current_type[drive] = NULL;
- floppy_sizes[drive] = MAX_DISK_SIZE << 1;
- UDRS->keep_data = 0;
- return invalidate_drive(bdev);
- case FDSETPRM:
- case FDDEFPRM:
- return set_geometry(cmd, &inparam.g,
- drive, type, bdev);
- case FDGETPRM:
- ECALL(get_floppy_geometry(drive, type,
- (struct floppy_struct **)
- &outparam));
- break;
-
- case FDMSGON:
- UDP->flags |= FTD_MSG;
- return 0;
- case FDMSGOFF:
- UDP->flags &= ~FTD_MSG;
- return 0;
-
- case FDFMTBEG:
- LOCK_FDC(drive, 1);
- CALL(poll_drive(1, FD_RAW_NEED_DISK));
- ret = UDRS->flags;
- process_fd_request();
- if (ret & FD_VERIFY)
- return -ENODEV;
- if (!(ret & FD_DISK_WRITABLE))
- return -EROFS;
- return 0;
- case FDFMTTRK:
- if (UDRS->fd_ref != 1)
- return -EBUSY;
- return do_format(drive, &inparam.f);
- case FDFMTEND:
- case FDFLUSH:
- LOCK_FDC(drive, 1);
- return invalidate_drive(bdev);
-
- case FDSETEMSGTRESH:
- UDP->max_errors.reporting =
- (unsigned short)(param & 0x0f);
- return 0;
- OUT(FDGETMAXERRS, &UDP->max_errors);
- IN(FDSETMAXERRS, &UDP->max_errors, max_errors);
-
- case FDGETDRVTYP:
- outparam = drive_name(type, drive);
- SUPBOUND(size, strlen(outparam) + 1);
- break;
+ ECALL(fd_copyin((void __user *)param, &inparam, size));
- IN(FDSETDRVPRM, UDP, dp);
- OUT(FDGETDRVPRM, UDP);
-
- case FDPOLLDRVSTAT:
- LOCK_FDC(drive, 1);
- CALL(poll_drive(1, FD_RAW_NEED_DISK));
- process_fd_request();
- /* fall through */
- OUT(FDGETDRVSTAT, UDRS);
-
- case FDRESET:
- return user_reset_fdc(drive, (int)param, 1);
-
- OUT(FDGETFDCSTAT, UFDCS);
-
- case FDWERRORCLR:
- CLEARSTRUCT(UDRWE);
- return 0;
- OUT(FDWERRORGET, UDRWE);
-
- case FDRAWCMD:
- if (type)
- return -EINVAL;
- LOCK_FDC(drive, 1);
- set_floppy(drive);
- CALL(i = raw_cmd_ioctl(cmd, (void __user *)param));
- process_fd_request();
- return i;
+ switch (cmd) {
+ case FDEJECT:
+ if (UDRS->fd_ref != 1)
+ /* somebody else has this drive open */
+ return -EBUSY;
+ LOCK_FDC(drive, 1);
- case FDTWADDLE:
- LOCK_FDC(drive, 1);
- twaddle();
- process_fd_request();
- return 0;
+ /* do the actual eject. Fails on
+ * non-Sparc architectures */
+ ret = fd_eject(UNIT(drive));
- default:
+ USETF(FD_DISK_CHANGED);
+ USETF(FD_VERIFY);
+ process_fd_request();
+ return ret;
+ case FDCLRPRM:
+ LOCK_FDC(drive, 1);
+ current_type[drive] = NULL;
+ floppy_sizes[drive] = MAX_DISK_SIZE << 1;
+ UDRS->keep_data = 0;
+ return invalidate_drive(bdev);
+ case FDSETPRM:
+ case FDDEFPRM:
+ return set_geometry(cmd, &inparam.g, drive, type, bdev);
+ case FDGETPRM:
+ ECALL(get_floppy_geometry(drive, type,
+ (struct floppy_struct **)
+ &outparam));
+ break;
+ case FDMSGON:
+ UDP->flags |= FTD_MSG;
+ return 0;
+ case FDMSGOFF:
+ UDP->flags &= ~FTD_MSG;
+ return 0;
+ case FDFMTBEG:
+ LOCK_FDC(drive, 1);
+ CALL(poll_drive(1, FD_RAW_NEED_DISK));
+ ret = UDRS->flags;
+ process_fd_request();
+ if (ret & FD_VERIFY)
+ return -ENODEV;
+ if (!(ret & FD_DISK_WRITABLE))
+ return -EROFS;
+ return 0;
+ case FDFMTTRK:
+ if (UDRS->fd_ref != 1)
+ return -EBUSY;
+ return do_format(drive, &inparam.f);
+ case FDFMTEND:
+ case FDFLUSH:
+ LOCK_FDC(drive, 1);
+ return invalidate_drive(bdev);
+ case FDSETEMSGTRESH:
+ UDP->max_errors.reporting = (unsigned short)(param & 0x0f);
+ return 0;
+ case FDGETMAXERRS:
+ outparam = (const char *)&UDP->max_errors;
+ break;
+ case FDSETMAXERRS:
+ UDP->max_errors = inparam.max_errors;
+ break;
+ case FDGETDRVTYP:
+ outparam = drive_name(type, drive);
+ SUPBOUND(size, strlen(outparam) + 1);
+ break;
+ case FDSETDRVPRM:
+ *UDP = inparam.dp;
+ break;
+ case FDGETDRVPRM:
+ outparam = (const char *)UDP;
+ break;
+ case FDPOLLDRVSTAT:
+ LOCK_FDC(drive, 1);
+ CALL(poll_drive(1, FD_RAW_NEED_DISK));
+ process_fd_request();
+ /* fall through */
+ case FDGETDRVSTAT:
+ outparam = (const char *)UDRS;
+ break;
+ case FDRESET:
+ return user_reset_fdc(drive, (int)param, 1);
+ case FDGETFDCSTAT:
+ outparam = (const char *)UFDCS;
+ break;
+ case FDWERRORCLR:
+ memset(UDRWE, 0, sizeof(*UDRWE));
+ return 0;
+ case FDWERRORGET:
+ outparam = (const char *)UDRWE;
+ break;
+ case FDRAWCMD:
+ if (type)
return -EINVAL;
- }
+ LOCK_FDC(drive, 1);
+ set_floppy(drive);
+ CALL(i = raw_cmd_ioctl(cmd, (void __user *)param));
+ process_fd_request();
+ return i;
+ case FDTWADDLE:
+ LOCK_FDC(drive, 1);
+ twaddle();
+ process_fd_request();
+ return 0;
+ default:
+ return -EINVAL;
+ }
if (_IOC_DIR(cmd) & _IOC_READ)
return fd_copyout((void __user *)param, outparam, size);
- else
- return 0;
-#undef OUT
-#undef IN
+
+ return 0;
}
static void __init config_types(void)
* a disk in the drive, and whether that disk is writable.
*/
-static void floppy_rb0_complete(struct bio *bio,
- int err)
+static void floppy_rb0_complete(struct bio *bio, int err)
{
complete((struct completion *)bio->bi_private);
}
else
param = config_params[i].def_param;
if (config_params[i].fn)
- config_params[i].
- fn(ints, param,
- config_params[i].param2);
+ config_params[i].fn(ints, param,
+ config_params[i].
+ param2);
if (config_params[i].var) {
DPRINT("%s=%d\n", str, param);
*config_params[i].var = param;
static struct platform_driver floppy_driver = {
.driver = {
- .name = "floppy",
- .pm = &floppy_pm_ops,
+ .name = "floppy",
+ .pm = &floppy_pm_ops,
},
};
for (i = 0; i < N_FDC; i++) {
fdc = i;
- CLEARSTRUCT(FDCS);
+ memset(FDCS, 0, sizeof(*FDCS));
FDCS->dtr = -1;
FDCS->dor = 0x4;
#if defined(__sparc__) || defined(__mc68000__)
- /*sparcs/sun3x don't have a DOR reset which we can fall back on to */
+ /*sparcs/sun3x don't have a DOR reset which we can fall back on to */
#ifdef __mc68000__
if (MACH_IS_SUN3X)
#endif
/* initialise drive state */
for (drive = 0; drive < N_DRIVE; drive++) {
- CLEARSTRUCT(UDRS);
- CLEARSTRUCT(UDRWE);
+ memset(UDRS, 0, sizeof(*UDRS));
+ memset(UDRWE, 0, sizeof(*UDRWE));
USETF(FD_DISK_NEWCHANGE);
USETF(FD_DISK_CHANGED);
USETF(FD_VERIFY);
const struct io_region *p;
for (p = io_regions; p < ARRAY_END(io_regions); p++) {
- if (!request_region(FDCS->address + p->offset, p->size, "floppy")) {
- DPRINT("Floppy io-port 0x%04lx in use\n", FDCS->address + p->offset);
+ if (!request_region(FDCS->address + p->offset,
+ p->size, "floppy")) {
+ DPRINT("Floppy io-port 0x%04lx in use\n",
+ FDCS->address + p->offset);
floppy_release_allocated_regions(fdc, p);
return -EBUSY;
}
char *ptr;
while (*cfg) {
- for (ptr = cfg; *cfg && *cfg != ' ' && *cfg != '\t'; cfg++)
- ;
+ ptr = cfg;
+ while (*cfg && *cfg != ' ' && *cfg != '\t')
+ cfg++;
if (*cfg) {
*cfg = '\0';
cfg++;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff