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SubjectRe: [PATCH 10/12] ide-floppy: remove atomic test_*bit macros
On Mon, Jan 14, 2008 at 11:32:58PM +0100, Bartlomiej Zolnierkiewicz wrote:
> On Monday 14 January 2008, Bartlomiej Zolnierkiewicz wrote:
> > On Sunday 13 January 2008, Borislav Petkov wrote:
> > > ..and replace them with flag enums.
> > >
> > > Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de>
>
> small update:
>
> PC_ABORT is never set and may as well be removed in a pre-patch

Here you go, the one below should be pushed first...

--
From: Borislav Petkov <bbpetkov@yahoo.de>
Date: Tue, 15 Jan 2008 20:34:50 +0100
Subject: ide-floppy: remove unused flag PC_ABORT

This flag was never being set in the code so remove it. By the way, the
code in the second patch was being executed unconditionally, i.e. in case
pc->retries > IDEFLOPPY_MAX_PC_RETRIES is true (actually that is the only case
when the outer if-test passed), !test_bit(PC_ABORT, &pc->flags)
was always true so the comment is now incorrect and has to go.

Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de>

diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 790e33f..8e9063f 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -110,7 +110,6 @@ typedef struct idefloppy_packet_command_s {
/*
* Packet command flag bits.
*/
-#define PC_ABORT 0 /* Set when an error is considered normal - We won't retry */
#define PC_DMA_RECOMMENDED 2 /* 1 when we prefer to use DMA if possible */
#define PC_DMA_IN_PROGRESS 3 /* 1 while DMA in progress */
#define PC_DMA_ERROR 4 /* 1 when encountered problem during DMA */
@@ -737,18 +736,12 @@ static ide_startstop_t idefloppy_issue_pc (ide_drive_t *drive, idefloppy_pc_t *p
/* Set the current packet command */
floppy->pc = pc;

- if (pc->retries > IDEFLOPPY_MAX_PC_RETRIES ||
- test_bit(PC_ABORT, &pc->flags)) {
- /*
- * We will "abort" retrying a packet command in case
- * a legitimate error code was received.
- */
- if (!test_bit(PC_ABORT, &pc->flags)) {
- if (!test_bit(PC_SUPPRESS_ERROR, &pc->flags))
- ide_floppy_report_error(floppy, pc);
- /* Giving up */
- pc->error = IDEFLOPPY_ERROR_GENERAL;
- }
+ if (pc->retries > IDEFLOPPY_MAX_PC_RETRIES) {
+ if (!test_bit(PC_SUPPRESS_ERROR, &pc->flags))
+ ide_floppy_report_error(floppy, pc);
+ /* Giving up */
+ pc->error = IDEFLOPPY_ERROR_GENERAL;
+
floppy->failed_pc = NULL;
pc->callback(drive);
return ide_stopped;
--
1.5.3.7

--
Regards/Gruß,
Boris.
--
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