Commit e07bc7096424b977e53a16d72ec02645389107ba

Authored by Bartlomiej Zolnierkiewicz
1 parent c0bc113373

[PATCH] ide: remove dead code from flagged_taskfile()

flagged_taskfile() is called from execute_drive_cmd()
(the only user) only if args->tf_out_flags.all != 0.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

Showing 2 changed files with 7 additions and 11 deletions Side-by-side Diff

drivers/ide/ide-taskfile.c
... ... @@ -773,19 +773,13 @@
773 773 }
774 774  
775 775 /*
776   - * (ks) Check taskfile in/out flags.
  776 + * (ks) Check taskfile in flags.
777 777 * If set, then execute as it is defined.
778 778 * If not set, then define default settings.
779 779 * The default values are:
780   - * write and read all taskfile registers (except data)
781   - * write and read the hob registers (sector,nsector,lcyl,hcyl)
  780 + * read all taskfile registers (except data)
  781 + * read the hob registers (sector, nsector, lcyl, hcyl)
782 782 */
783   - if (task->tf_out_flags.all == 0) {
784   - task->tf_out_flags.all = IDE_TASKFILE_STD_OUT_FLAGS;
785   - if (drive->addressing == 1)
786   - task->tf_out_flags.all |= (IDE_HOB_STD_OUT_FLAGS << 8);
787   - }
788   -
789 783 if (task->tf_in_flags.all == 0) {
790 784 task->tf_in_flags.all = IDE_TASKFILE_STD_IN_FLAGS;
791 785 if (drive->addressing == 1)
include/linux/hdreg.h
... ... @@ -80,10 +80,12 @@
80 80 /*
81 81 * Define standard taskfile in/out register
82 82 */
83   -#define IDE_TASKFILE_STD_OUT_FLAGS 0xFE
84 83 #define IDE_TASKFILE_STD_IN_FLAGS 0xFE
85   -#define IDE_HOB_STD_OUT_FLAGS 0x3C
86 84 #define IDE_HOB_STD_IN_FLAGS 0x3C
  85 +#ifndef __KERNEL__
  86 +#define IDE_TASKFILE_STD_OUT_FLAGS 0xFE
  87 +#define IDE_HOB_STD_OUT_FLAGS 0x3C
  88 +#endif
87 89  
88 90 typedef unsigned char task_ioreg_t;
89 91 typedef unsigned long sata_ioreg_t;