]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/ide/ide-floppy.c
ide: add ide_io_buffers() helper
[linux-2.6-omap-h63xx.git] / drivers / ide / ide-floppy.c
index a0a8ad3a3038ca3d1050edc3d86d6ad98f07d8ff..38dca45ffd111f6341017a299b4aedab663f610e 100644 (file)
@@ -208,51 +208,6 @@ static int idefloppy_end_request(ide_drive_t *drive, int uptodate, int nsecs)
        return 0;
 }
 
-static void ide_floppy_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc,
-                                 unsigned int bcount, int direction)
-{
-       ide_hwif_t *hwif = drive->hwif;
-       const struct ide_tp_ops *tp_ops = hwif->tp_ops;
-       xfer_func_t *xf = direction ? tp_ops->output_data : tp_ops->input_data;
-       struct scatterlist *sg = pc->sg;
-       char *buf;
-       int count, done = 0;
-
-       while (bcount) {
-               count = min(sg->length - pc->b_count, bcount);
-               if (PageHighMem(sg_page(sg))) {
-                       unsigned long flags;
-
-                       local_irq_save(flags);
-                       buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
-                       xf(drive, NULL, buf + pc->b_count, count);
-                       kunmap_atomic(buf - sg->offset, KM_IRQ0);
-                       local_irq_restore(flags);
-               } else {
-                       buf = sg_virt(sg);
-                       xf(drive, NULL, buf + pc->b_count, count);
-               }
-               bcount -= count;
-               pc->b_count += count;
-               done += count;
-
-               if (pc->b_count == sg->length) {
-                       if (!--pc->sg_cnt)
-                               break;
-                       pc->sg = sg = sg_next(sg);
-                       pc->b_count = 0;
-               }
-       }
-
-       idefloppy_end_request(drive, 1, done >> 9);
-
-       if (bcount) {
-               printk(KERN_ERR "%s: leftover data in %s, bcount == %d\n",
-                               drive->name, __func__, bcount);
-               ide_pad_transfer(drive, direction, bcount);
-       }
-}
-
 static void idefloppy_update_buffers(ide_drive_t *drive,
                                struct ide_atapi_pc *pc)
 {
@@ -356,7 +311,7 @@ static ide_startstop_t idefloppy_pc_intr(ide_drive_t *drive)
 
        return ide_pc_intr(drive, floppy->pc, idefloppy_pc_intr,
                           IDEFLOPPY_WAIT_CMD, NULL, idefloppy_update_buffers,
-                          idefloppy_retry_pc, NULL, ide_floppy_io_buffers);
+                          idefloppy_retry_pc, NULL, ide_io_buffers);
 }
 
 /*