diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1999-10-09 00:00:47 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 1999-10-09 00:00:47 +0000 |
| commit | d6434e1042f3b0a6dfe1b1f615af369486f9b1fa (patch) | |
| tree | e2be02f33984c48ec019c654051d27964e42c441 /drivers/block/ide-floppy.c | |
| parent | 609d1e803baf519487233b765eb487f9ec227a18 (diff) | |
Merge with 2.3.19.
Diffstat (limited to 'drivers/block/ide-floppy.c')
| -rw-r--r-- | drivers/block/ide-floppy.c | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/drivers/block/ide-floppy.c b/drivers/block/ide-floppy.c index 49ccb66ce..66b71b3a2 100644 --- a/drivers/block/ide-floppy.c +++ b/drivers/block/ide-floppy.c @@ -1,7 +1,7 @@ /* - * linux/drivers/block/ide-floppy.c Version 0.8 Dec 7, 1997 + * linux/drivers/block/ide-floppy.c Version 0.9 Jul 4, 1999 * - * Copyright (C) 1996, 1997 Gadi Oxman <gadio@netvision.net.il> + * Copyright (C) 1996 - 1999 Gadi Oxman <gadio@netvision.net.il> */ /* @@ -26,9 +26,12 @@ * Issue START command only if TEST UNIT READY fails. * Add work-around for IOMEGA ZIP revision 21.D. * Remove idefloppy_get_capabilities(). + * Ver 0.9 Jul 4 99 Fix a bug which might have caused the number of + * bytes requested on each interrupt to be zero. + * Thanks to <shanos@es.co.nz> for pointing this out. */ -#define IDEFLOPPY_VERSION "0.8" +#define IDEFLOPPY_VERSION "0.9" #include <linux/config.h> #include <linux/module.h> @@ -997,7 +1000,7 @@ static void idefloppy_issue_pc (ide_drive_t *drive, idefloppy_pc_t *pc) pc->retries++; pc->actually_transferred=0; /* We haven't transferred any data yet */ pc->current_position=pc->buffer; - bcount.all=pc->request_transfer; /* Request to transfer the entire buffer at once */ + bcount.all = IDE_MIN(pc->request_transfer, 63 * 1024); #ifdef CONFIG_BLK_DEV_IDEDMA if (test_and_clear_bit (PC_DMA_ERROR, &pc->flags)) { @@ -1521,9 +1524,19 @@ static void idefloppy_setup (ide_drive_t *drive, idefloppy_floppy_t *floppy) floppy->pc = floppy->pc_stack; if (gcw.drq_type == 1) set_bit (IDEFLOPPY_DRQ_INTERRUPT, &floppy->flags); - if (strcmp(drive->id->model, "IOMEGA ZIP 100 ATAPI") == 0 && - ((strcmp(drive->id->fw_rev, "21.D") == 0) || - (strcmp(drive->id->fw_rev, "23.D") == 0))) { + /* + * We used to check revisions here. At this point however + * I'm giving up. Just assume they are all broken, its easier. + * + * The actual reason for the workarounds was likely + * a driver bug after all rather than a firmware bug, + * and the workaround below used to hide it. It should + * be fixed as of version 1.9, but to be on the safe side + * we'll leave the limitation below for the 2.2.x tree. + */ + + if (strcmp(drive->id->model, "IOMEGA ZIP 100 ATAPI") == 0) + { for (i = 0; i < 1 << PARTN_BITS; i++) max_sectors[major][minor + i] = 64; } |