From c39220483ebe6871fb129d4b2236cd95290c41fc Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:37 +0200 Subject: [PATCH] ide: DMA_PIO_RETRY -> IDE_DFLAG_DMA_PIO_RETRY Add IDE_DFLAG_DMA_PIO_RETRY and use it instead of ide_drive_t.state + DMA_PIO_RETRY. There should be no functional changes cause by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-io.c | 7 ++++--- include/linux/ide.h | 9 ++------- 2 files changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 5f0ed59bac6..11b602bb574 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -78,8 +78,9 @@ static int __ide_end_request(ide_drive_t *drive, struct request *rq, * decide whether to reenable DMA -- 3 is a random magic for now, * if we DMA timeout more than 3 times, just stay in PIO */ - if (drive->state == DMA_PIO_RETRY && drive->retry_pio <= 3) { - drive->state = 0; + if ((drive->dev_flags & IDE_DFLAG_DMA_PIO_RETRY) && + drive->retry_pio <= 3) { + drive->dev_flags &= ~IDE_DFLAG_DMA_PIO_RETRY; ide_dma_on(drive); } @@ -1195,8 +1196,8 @@ static ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error) * a timeout -- we'll reenable after we finish this next request * (or rather the first chunk of it) in pio. */ + drive->dev_flags |= IDE_DFLAG_DMA_PIO_RETRY; drive->retry_pio++; - drive->state = DMA_PIO_RETRY; ide_dma_off_quietly(drive); /* diff --git a/include/linux/ide.h b/include/linux/ide.h index b538d2e6dcb..230bd9dd851 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -48,12 +48,6 @@ typedef unsigned char byte; /* used everywhere */ #define ERROR_RESET 3 /* Reset controller every 4th retry */ #define ERROR_RECAL 1 /* Recalibrate every 2nd retry */ -/* - * state flags - */ - -#define DMA_PIO_RETRY 1 /* retrying in PIO */ - #define HWIF(drive) ((ide_hwif_t *)((drive)->hwif)) #define HWGROUP(drive) ((ide_hwgroup_t *)(HWIF(drive)->hwgroup)) @@ -506,6 +500,8 @@ enum { IDE_DFLAG_WCACHE = (1 << 23), /* used for ignoring ATA_DF */ IDE_DFLAG_NOWERR = (1 << 24), + /* retrying in PIO */ + IDE_DFLAG_DMA_PIO_RETRY = (1 << 25), }; struct ide_drive_s { @@ -535,7 +531,6 @@ struct ide_drive_s { select_t select; /* basic drive/head select reg value */ u8 retry_pio; /* retrying dma capable host in pio */ - u8 state; /* retry state */ u8 waiting_for_dma; /* dma currently in progress */ u8 quirk_list; /* considered quirky, set for a specific host */ -- 2.41.1