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author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-03-31 20:15:22 +0200 |
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committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-03-31 20:15:22 +0200 |
commit | 88b4132e101e60e8fa67996ae3072ab6b71e8500 (patch) | |
tree | 6b65c2d0d8691c577d60e6d1f84ad6db172a82d7 | |
parent | 11998b316173f814698f9037ce9179d634d1f423 (diff) | |
download | linux-stable-88b4132e101e60e8fa67996ae3072ab6b71e8500.tar.gz linux-stable-88b4132e101e60e8fa67996ae3072ab6b71e8500.tar.bz2 linux-stable-88b4132e101e60e8fa67996ae3072ab6b71e8500.zip |
ide: set/clear drive->waiting_for_dma flag in the core code
Set/clear drive->waiting_for_dma flag in the core code
instead of in ->dma_setup and ->dma_end methods.
There should be no functional changes caused by this patch.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
-rw-r--r-- | drivers/ide/au1xxx-ide.c | 6 | ||||
-rw-r--r-- | drivers/ide/cmd64x.c | 1 | ||||
-rw-r--r-- | drivers/ide/icside.c | 4 | ||||
-rw-r--r-- | drivers/ide/ide-atapi.c | 4 | ||||
-rw-r--r-- | drivers/ide/ide-cd.c | 1 | ||||
-rw-r--r-- | drivers/ide/ide-dma-sff.c | 3 | ||||
-rw-r--r-- | drivers/ide/ide-dma.c | 4 | ||||
-rw-r--r-- | drivers/ide/ns87415.c | 1 | ||||
-rw-r--r-- | drivers/ide/pmac.c | 3 | ||||
-rw-r--r-- | drivers/ide/sc1200.c | 2 | ||||
-rw-r--r-- | drivers/ide/scc_pata.c | 3 | ||||
-rw-r--r-- | drivers/ide/sgiioc4.c | 3 | ||||
-rw-r--r-- | drivers/ide/trm290.c | 8 | ||||
-rw-r--r-- | drivers/ide/tx4939ide.c | 4 |
14 files changed, 11 insertions, 36 deletions
diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c index 239643806b97..549bbb2755a8 100644 --- a/drivers/ide/au1xxx-ide.c +++ b/drivers/ide/au1xxx-ide.c @@ -290,7 +290,6 @@ static int auide_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd) if (auide_build_dmatable(drive, cmd) == 0) return 1; - drive->waiting_for_dma = 1; return 0; } @@ -315,16 +314,11 @@ static void auide_dma_host_set(ide_drive_t *drive, int on) static void auide_ddma_tx_callback(int irq, void *param) { - _auide_hwif *ahwif = (_auide_hwif*)param; - ahwif->drive->waiting_for_dma = 0; } static void auide_ddma_rx_callback(int irq, void *param) { - _auide_hwif *ahwif = (_auide_hwif*)param; - ahwif->drive->waiting_for_dma = 0; } - #endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */ static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 devwidth, u32 flags) diff --git a/drivers/ide/cmd64x.c b/drivers/ide/cmd64x.c index f2edf280ef8b..80b777e4247b 100644 --- a/drivers/ide/cmd64x.c +++ b/drivers/ide/cmd64x.c @@ -318,7 +318,6 @@ static int cmd646_1_dma_end(ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; u8 dma_stat = 0, dma_cmd = 0; - drive->waiting_for_dma = 0; /* get DMA status */ dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS); /* read DMA command state */ diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c index 9bf57d7c8e57..4e16ce68b063 100644 --- a/drivers/ide/icside.c +++ b/drivers/ide/icside.c @@ -287,8 +287,6 @@ static int icside_dma_end(ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; struct expansion_card *ec = ECARD_DEV(hwif->dev); - drive->waiting_for_dma = 0; - disable_dma(ec->dma); return get_dma_residue(ec->dma) != 0; @@ -343,8 +341,6 @@ static int icside_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd) set_dma_sg(ec->dma, hwif->sg_table, cmd->sg_nents); set_dma_mode(ec->dma, dma_mode); - drive->waiting_for_dma = 1; - return 0; } diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 89d2339bdef3..db6e617790bd 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -342,8 +342,10 @@ static ide_startstop_t ide_pc_intr(ide_drive_t *drive) stat = tp_ops->read_status(hwif); if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) { - int rc = hwif->dma_ops->dma_end(drive); + int rc; + drive->waiting_for_dma = 0; + rc = hwif->dma_ops->dma_end(drive); ide_destroy_dmatable(drive); if (rc || (drive->media == ide_tape && (stat & ATA_ERR))) { diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 4a0d66ee9547..f5c7bb739f45 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -638,6 +638,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) dma = drive->dma; if (dma) { drive->dma = 0; + drive->waiting_for_dma = 0; dma_error = hwif->dma_ops->dma_end(drive); ide_destroy_dmatable(drive); if (dma_error) { diff --git a/drivers/ide/ide-dma-sff.c b/drivers/ide/ide-dma-sff.c index e10054b827a0..f8c7d0cd2ff8 100644 --- a/drivers/ide/ide-dma-sff.c +++ b/drivers/ide/ide-dma-sff.c @@ -216,7 +216,6 @@ int ide_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd) /* clear INTR & ERROR flags */ ide_dma_sff_write_status(hwif, dma_stat | ATA_DMA_ERR | ATA_DMA_INTR); - drive->waiting_for_dma = 1; return 0; } EXPORT_SYMBOL_GPL(ide_dma_setup); @@ -290,8 +289,6 @@ int ide_dma_end(ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; u8 dma_stat = 0, dma_cmd = 0, mask; - drive->waiting_for_dma = 0; - /* stop DMA */ if (hwif->host_flags & IDE_HFLAG_MMIO) { dma_cmd = readb((void __iomem *)(hwif->dma_base + ATA_DMA_CMD)); diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index d61f9a8cc18a..4d3102887d9c 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -91,6 +91,7 @@ ide_startstop_t ide_dma_intr(ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; u8 stat = 0, dma_stat = 0; + drive->waiting_for_dma = 0; dma_stat = hwif->dma_ops->dma_end(drive); ide_destroy_dmatable(drive); stat = hwif->tp_ops->read_status(hwif); @@ -479,6 +480,7 @@ ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error) if (error < 0) { printk(KERN_WARNING "%s: DMA timeout error\n", drive->name); + drive->waiting_for_dma = 0; (void)dma_ops->dma_end(drive); ide_destroy_dmatable(drive); ret = ide_error(drive, "dma timeout error", @@ -491,6 +493,7 @@ ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error) if (dma_ops->dma_test_irq(drive) == 0) { ide_dump_status(drive, "DMA timeout", hwif->tp_ops->read_status(hwif)); + drive->waiting_for_dma = 0; (void)dma_ops->dma_end(drive); ide_destroy_dmatable(drive); } @@ -577,5 +580,6 @@ int ide_dma_prepare(ide_drive_t *drive, struct ide_cmd *cmd) ide_map_sg(drive, cmd); return 1; } + drive->waiting_for_dma = 1; return 0; } diff --git a/drivers/ide/ns87415.c b/drivers/ide/ns87415.c index 6e0f372d2f09..cbc1d1110385 100644 --- a/drivers/ide/ns87415.c +++ b/drivers/ide/ns87415.c @@ -207,7 +207,6 @@ static int ns87415_dma_end(ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; u8 dma_stat = 0, dma_cmd = 0; - drive->waiting_for_dma = 0; dma_stat = hwif->dma_ops->dma_sff_read_status(hwif); /* get DMA command mode */ dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD); diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c index 1df7b7636453..879c3d8d9f36 100644 --- a/drivers/ide/pmac.c +++ b/drivers/ide/pmac.c @@ -1517,8 +1517,6 @@ static int pmac_ide_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd) (void)readl(PMAC_IDE_REG(IDE_TIMING_CONFIG)); } - drive->waiting_for_dma = 1; - return 0; } @@ -1553,7 +1551,6 @@ pmac_ide_dma_end (ide_drive_t *drive) volatile struct dbdma_regs __iomem *dma = pmif->dma_regs; u32 dstat; - drive->waiting_for_dma = 0; dstat = readl(&dma->status); writel(((RUN|WAKE|DEAD) << 16), &dma->control); diff --git a/drivers/ide/sc1200.c b/drivers/ide/sc1200.c index d9c47034bedd..13e3988f00f0 100644 --- a/drivers/ide/sc1200.c +++ b/drivers/ide/sc1200.c @@ -183,8 +183,6 @@ static int sc1200_dma_end(ide_drive_t *drive) outb(dma_stat|0x1b, dma_base+2); /* clear the INTR & ERROR bits */ outb(inb(dma_base)&~1, dma_base); /* !! DO THIS HERE !! stop DMA */ - drive->waiting_for_dma = 0; - return (dma_stat & 7) != 4; /* verify good DMA status */ } diff --git a/drivers/ide/scc_pata.c b/drivers/ide/scc_pata.c index 2cdf51d8917a..542419ffa9b7 100644 --- a/drivers/ide/scc_pata.c +++ b/drivers/ide/scc_pata.c @@ -335,7 +335,7 @@ static int scc_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd) /* clear INTR & ERROR flags */ out_be32((void __iomem *)(hwif->dma_base + 4), dma_stat | 6); - drive->waiting_for_dma = 1; + return 0; } @@ -354,7 +354,6 @@ static int __scc_dma_end(ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; u8 dma_stat, dma_cmd; - drive->waiting_for_dma = 0; /* get DMA command mode */ dma_cmd = scc_ide_inb(hwif->dma_base); /* stop DMA */ diff --git a/drivers/ide/sgiioc4.c b/drivers/ide/sgiioc4.c index d90e8c5af0a2..cb2657c4c976 100644 --- a/drivers/ide/sgiioc4.c +++ b/drivers/ide/sgiioc4.c @@ -258,8 +258,6 @@ static int sgiioc4_dma_end(ide_drive_t *drive) } } - drive->waiting_for_dma = 0; - return dma_stat; } @@ -412,7 +410,6 @@ sgiioc4_configure_for_dma(int dma_direction, ide_drive_t * drive) writel(ending_dma_addr, (void __iomem *)(dma_base + IOC4_DMA_END_ADDR * 4)); writel(dma_direction, (void __iomem *)ioc4_dma_addr); - drive->waiting_for_dma = 1; } /* IOC4 Scatter Gather list Format */ diff --git a/drivers/ide/trm290.c b/drivers/ide/trm290.c index 0be27cae27d5..c0528f27fcae 100644 --- a/drivers/ide/trm290.c +++ b/drivers/ide/trm290.c @@ -198,9 +198,9 @@ static int trm290_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd) return 1; outl(hwif->dmatable_dma | rw, hwif->dma_base); - drive->waiting_for_dma = 1; /* start DMA */ outw(count * 2 - 1, hwif->dma_base + 2); + return 0; } @@ -211,11 +211,7 @@ static void trm290_dma_start(ide_drive_t *drive) static int trm290_dma_end(ide_drive_t *drive) { - u16 status; - - drive->waiting_for_dma = 0; - - status = inw(drive->hwif->dma_base + 2); + u16 status = inw(drive->hwif->dma_base + 2); trm290_prepare_drive(drive, 0); diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c index 7267c46c07cd..faf0d97b9ce8 100644 --- a/drivers/ide/tx4939ide.c +++ b/drivers/ide/tx4939ide.c @@ -304,8 +304,6 @@ static int tx4939ide_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd) /* clear INTR & ERROR flags */ tx4939ide_clear_dma_status(base); - drive->waiting_for_dma = 1; - tx4939ide_writew(SECTOR_SIZE / 2, base, drive->dn ? TX4939IDE_Xfer_Cnt_2 : TX4939IDE_Xfer_Cnt_1); @@ -321,8 +319,6 @@ static int tx4939ide_dma_end(ide_drive_t *drive) void __iomem *base = TX4939IDE_BASE(hwif); u16 ctl = tx4939ide_readw(base, TX4939IDE_Int_Ctl); - drive->waiting_for_dma = 0; - /* get DMA command mode */ dma_cmd = tx4939ide_readb(base, TX4939IDE_DMA_Cmd); /* stop DMA */ |