Re: [PATCH 2.6.11-rc2 29/29] ide: make data_phase explicit in NO_DATA cases

[Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>]

On Fri, 04 Feb 2005 09:59:22 +0900, Tejun Heo <tj@home-tj.org> wrote:
> Bartlomiej Zolnierkiewicz wrote:
> > On Wed, 2 Feb 2005 12:12:38 +0900, Tejun Heo <tj@home-tj.org> wrote:
> >
> >>>29_ide_explicit_TASKFILE_NO_DATA.patch
> >>>
> >>>      Make data_phase explicit in NO_DATA cases.
> >>
> >>Signed-off-by: Tejun Heo <tj@home-tj.org>
> >>
> >>Index: linux-ide-export/drivers/ide/ide-disk.c
> >>===================================================================
> >>--- linux-ide-export.orig/drivers/ide/ide-disk.c        2005-02-02 10:28:07.852771465 +0900
> >>+++ linux-ide-export/drivers/ide/ide-disk.c     2005-02-02 10:28:08.121727827 +0900
> >>@@ -300,6 +300,7 @@ static unsigned long idedisk_read_native
> >>        args.tfRegister[IDE_SELECT_OFFSET]      = 0x40;
> >>        args.tfRegister[IDE_COMMAND_OFFSET]     = WIN_READ_NATIVE_MAX;
> >>        args.command_type                       = IDE_DRIVE_TASK_NO_DATA;
> >>+       args.data_phase                         = TASKFILE_NO_DATA;
> >>        args.handler                            = &task_no_data_intr;
> >
> >
> > Could you add small helper to ide.h for doing this?
> >
> > static inline void ide_prep_no_data_cmd(ide_task_t *task)
> > {
> >         task->command_type = IDE_DRIVE_TASK_NO_DATA;
> >         task->data_phase      = TASKFILE_NO_DATA;
> >         task->handler            = &task_no_data_intr;
> > }
> 
> I am thinking about removing task->handler initialization.  Such that it
> defaults to task_no_data_intr if data_phase == TASKFILE_NO_DATA and so
> on for all other data_phases.  Currently, the same information is
> specified repeatedly.  What do you think?

Please do it.