Re: [PATCH 2.6.11-rc2 16/29] ide: flagged_taskfile select register dev bit masking

[Tejun Heo]

> 16_ide_flagged_taskfile_select_dev_bit_masking.patch
> 
> 	In flagged_taskfile(), make off DEV bit before OR'ing it with
> 	drive->select.all when writing to IDE_SELECT_REG.


Signed-off-by: Tejun Heo <tj@xxxxxxxxxxx>


Index: linux-ide-export/drivers/ide/ide-taskfile.c
===================================================================
--- linux-ide-export.orig/drivers/ide/ide-taskfile.c	2005-02-02 10:28:05.093219204 +0900
+++ linux-ide-export/drivers/ide/ide-taskfile.c	2005-02-02 10:28:05.273190003 +0900
@@ -858,7 +858,8 @@ ide_startstop_t flagged_taskfile (ide_dr
 	 * select bit (master/slave) in the drive_head register. We must make
 	 * sure that the desired drive is selected.
 	 */
-	hwif->OUTB(taskfile->device_head | drive->select.all, IDE_SELECT_REG);
+	hwif->OUTB((taskfile->device_head & ~0x10) | drive->select.all,
+		   IDE_SELECT_REG);
 	switch(task->data_phase) {
 
    	        case TASKFILE_OUT_DMAQ:
-
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