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Subject[PATCHSET] PC-9800 sub-arch (9/29) ac-update
This is patchset to support NEC PC-9800 subarchitecture
against 2.5.59 (9/29).

Updates floppy driver for PC98 in 2.5.50-ac1.

diff -Nru linux-2.5.50-ac1/drivers/block/Makefile linux-2.5.54/drivers/block/Makefile
--- linux-2.5.50-ac1/drivers/block/Makefile 2003-01-04 10:47:57.000000000 +0900
+++ linux-2.5.54/drivers/block/Makefile 2003-01-04 13:35:45.000000000 +0900
@@ -14,7 +14,7 @@
obj-y := elevator.o ll_rw_blk.o ioctl.o genhd.o scsi_ioctl.o deadline-iosched.o

obj-$(CONFIG_MAC_FLOPPY) += swim3.o
-ifneq ($(CONFIG_PC9800),y)
+ifneq ($(CONFIG_X86_PC9800),y)
obj-$(CONFIG_BLK_DEV_FD) += floppy.o
else
obj-$(CONFIG_BLK_DEV_FD) += floppy98.o
diff -Nru linux-2.5.50-ac1/drivers/block/floppy98.c linux-2.5.52/drivers/block/floppy98.c
--- linux-2.5.50-ac1/drivers/block/floppy98.c 2002-12-16 09:15:54.000000000 +0900
+++ linux-2.5.52/drivers/block/floppy98.c 2002-12-16 14:42:13.000000000 +0900
@@ -167,6 +167,7 @@
#include <linux/kernel.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
+#include <linux/version.h>
#define FDPATCHES
#include <linux/fdreg.h>

@@ -254,7 +255,6 @@
void floppy_interrupt(int irq, void *dev_id, struct pt_regs * regs);
static int set_mode(char mask, char data);
static void register_devfs_entries (int drive) __init;
-static devfs_handle_t devfs_handle;

#define K_64 0x10000 /* 64KB */

@@ -275,9 +275,8 @@
static int irqdma_allocated;

#define LOCAL_END_REQUEST
-#define MAJOR_NR FLOPPY_MAJOR
#define DEVICE_NAME "floppy"
-#define DEVICE_NR(device) ( (minor(device) & 3) | ((minor(device) & 0x80 ) >> 5 ))
+
#include <linux/blk.h>
#include <linux/blkpg.h>
#include <linux/cdrom.h> /* for the compatibility eject ioctl */
@@ -3354,7 +3353,7 @@
static int invalidate_drive(struct block_device *bdev)
{
/* invalidate the buffer track to force a reread */
- set_bit(DRIVE(to_kdev_t(bdev->bd_dev)), &fake_change);
+ set_bit((int)bdev->bd_disk->private_data, &fake_change);
process_fd_request();
check_disk_change(bdev);
return 0;
@@ -4058,27 +4057,28 @@
.revalidate_disk= floppy_revalidate,
};

-static void __init register_devfs_entries (int drive)
-{
- int base_minor, i;
- static char *table[] =
- {"",
+static char *table[] =
+{"",
#if 0
- "d360",
+"d360",
#else
- "h1232",
+"h1232",
#endif
- "h1200", "u360", "u720", "h360", "h720",
- "u1440", "u2880", "CompaQ", "h1440", "u1680", "h410",
- "u820", "h1476", "u1722", "h420", "u830", "h1494", "u1743",
- "h880", "u1040", "u1120", "h1600", "u1760", "u1920",
- "u3200", "u3520", "u3840", "u1840", "u800", "u1600",
- NULL
- };
- static int t360[] = {1,0}, t1200[] = {2,5,6,10,12,14,16,18,20,23,0},
- t3in[] = {8,9,26,27,28, 7,11,15,19,24,25,29,31, 3,4,13,17,21,22,30,0};
- static int *table_sup[] =
- {NULL, t360, t1200, t3in+5+8, t3in+5, t3in, t3in};
+"h1200", "u360", "u720", "h360", "h720",
+"u1440", "u2880", "CompaQ", "h1440", "u1680", "h410",
+"u820", "h1476", "u1722", "h420", "u830", "h1494", "u1743",
+"h880", "u1040", "u1120", "h1600", "u1760", "u1920",
+"u3200", "u3520", "u3840", "u1840", "u800", "u1600",
+NULL
+};
+static int t360[] = {1,0}, t1200[] = {2,5,6,10,12,14,16,18,20,23,0},
+t3in[] = {8,9,26,27,28, 7,11,15,19,24,25,29,31, 3,4,13,17,21,22,30,0};
+static int *table_sup[] =
+{NULL, t360, t1200, t3in+5+8, t3in+5, t3in, t3in};
+
+static void __init register_devfs_entries (int drive)
+{
+ int base_minor, i;

base_minor = (drive < 4) ? drive : (124 + drive);
if (UDP->cmos < NUMBER(default_drive_params)) {
@@ -4086,8 +4086,8 @@
do {
char name[16];

- sprintf (name, "%d%s", drive, table[table_sup[UDP->cmos][i]]);
- devfs_register (devfs_handle, name, DEVFS_FL_DEFAULT, MAJOR_NR,
+ sprintf(name, "floppy/%d%s", drive, table[table_sup[UDP->cmos][i]]);
+ devfs_register(NULL, name, DEVFS_FL_DEFAULT, FLOPPY_MAJOR,
base_minor + (table_sup[UDP->cmos][i] << 2),
S_IFBLK | S_IRUSR | S_IWUSR | S_IRGRP |S_IWGRP,
&floppy_fops, NULL);
@@ -4268,21 +4268,21 @@
goto Enomem;
}

- devfs_handle = devfs_mk_dir (NULL, "floppy", NULL);
- if (register_blkdev(MAJOR_NR,"fd",&floppy_fops)) {
- printk("Unable to get major %d for floppy\n",MAJOR_NR);
+ devfs_mk_dir (NULL, "floppy", NULL);
+ if (register_blkdev(FLOPPY_MAJOR,"fd",&floppy_fops)) {
+ printk("Unable to get major %d for floppy\n",FLOPPY_MAJOR);
err = -EBUSY;
goto out;
}

for (i=0; i<N_DRIVE; i++) {
- disks[i]->major = MAJOR_NR;
+ disks[i]->major = FLOPPY_MAJOR;
disks[i]->first_minor = TOMINOR(i);
disks[i]->fops = &floppy_fops;
sprintf(disks[i]->disk_name, "fd%d", i);
}

- blk_register_region(MKDEV(MAJOR_NR, 0), 256, THIS_MODULE,
+ blk_register_region(MKDEV(FLOPPY_MAJOR, 0), 256, THIS_MODULE,
floppy_find, NULL, NULL);

for (i=0; i<256; i++)
@@ -4401,8 +4401,8 @@
out1:
del_timer(&fd_timeout);
out2:
- blk_unregister_region(MKDEV(MAJOR_NR, 0), 256);
- unregister_blkdev(MAJOR_NR,"fd");
+ blk_unregister_region(MKDEV(FLOPPY_MAJOR, 0), 256);
+ unregister_blkdev(FLOPPY_MAJOR,"fd");
blk_cleanup_queue(&floppy_queue);
out:
for (i=0; i<N_DRIVE; i++)
@@ -4592,6 +4592,18 @@

char *floppy;

+static void unregister_devfs_entries (int drive)
+{
+ int i;
+
+ if (UDP->cmos < NUMBER(default_drive_params)) {
+ i = 0;
+ do {
+ devfs_remove("floppy/%d%s", drive, table[table_sup[UDP->cmos][i]]);
+ } while (table_sup[UDP->cmos][i++]);
+ }
+}
+
static void __init parse_floppy_cfg_string(char *cfg)
{
char *ptr;
@@ -4621,15 +4633,17 @@
int drive;

platform_device_unregister(&floppy_device);
- devfs_unregister (devfs_handle);
- blk_unregister_region(MKDEV(MAJOR_NR, 0), 256);
- unregister_blkdev(MAJOR_NR, "fd");
+ blk_unregister_region(MKDEV(FLOPPY_MAJOR, 0), 256);
+ unregister_blkdev(FLOPPY_MAJOR, "fd");
for (drive = 0; drive < N_DRIVE; drive++) {
if ((allowed_drive_mask & (1 << drive)) &&
- fdc_state[FDC(drive)].version != FDC_NONE)
+ fdc_state[FDC(drive)].version != FDC_NONE) {
del_gendisk(disks[drive]);
+ unregister_devfs_entries(drive);
+ }
put_disk(disks[drive]);
}
+ devfs_remove("floppy");

blk_cleanup_queue(&floppy_queue);
/* eject disk, if any */
-
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