ide: move check_dma_crc() to ide-dma.c
* Move check_dma_crc() to ide-dma.c and add inline version for CONFIG_BLK_DEV_IDEDMA=n case. * Rename check_dma_crc() to ide_check_dma_crc(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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3 changed files with 23 additions and 23 deletions
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@ -819,6 +819,26 @@ int ide_set_dma(ide_drive_t *drive)
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return 0;
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}
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void ide_check_dma_crc(ide_drive_t *drive)
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{
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u8 mode;
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ide_dma_off_quietly(drive);
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drive->crc_count = 0;
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mode = drive->current_speed;
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/*
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* Don't try non Ultra-DMA modes without iCRC's. Force the
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* device to PIO and make the user enable SWDMA/MWDMA modes.
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*/
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if (mode > XFER_UDMA_0 && mode <= XFER_UDMA_7)
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mode--;
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else
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mode = XFER_PIO_4;
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ide_set_xfer_rate(drive, mode);
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if (drive->current_speed >= XFER_SW_DMA_0)
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ide_dma_on(drive);
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}
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#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
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void ide_dma_lost_irq (ide_drive_t *drive)
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{
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@ -938,28 +938,6 @@ static ide_startstop_t reset_pollfunc (ide_drive_t *drive)
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return ide_stopped;
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}
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static void check_dma_crc(ide_drive_t *drive)
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{
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#ifdef CONFIG_BLK_DEV_IDEDMA
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u8 mode;
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ide_dma_off_quietly(drive);
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drive->crc_count = 0;
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mode = drive->current_speed;
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/*
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* Don't try non Ultra-DMA modes without iCRC's. Force the
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* device to PIO and make the user enable SWDMA/MWDMA modes.
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*/
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if (mode > XFER_UDMA_0 && mode <= XFER_UDMA_7)
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mode--;
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else
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mode = XFER_PIO_4;
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ide_set_xfer_rate(drive, mode);
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if (drive->current_speed >= XFER_SW_DMA_0)
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ide_dma_on(drive);
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#endif
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}
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static void ide_disk_pre_reset(ide_drive_t *drive)
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{
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int legacy = (drive->id->cfs_enable_2 & 0x0400) ? 0 : 1;
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@ -983,7 +961,7 @@ static void pre_reset(ide_drive_t *drive)
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if (drive->using_dma) {
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if (drive->crc_count)
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check_dma_crc(drive);
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ide_check_dma_crc(drive);
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else
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ide_dma_off(drive);
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}
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@ -1155,6 +1155,7 @@ void ide_dma_off_quietly(ide_drive_t *);
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void ide_dma_off(ide_drive_t *);
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void ide_dma_on(ide_drive_t *);
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int ide_set_dma(ide_drive_t *);
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void ide_check_dma_crc(ide_drive_t *);
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ide_startstop_t ide_dma_intr(ide_drive_t *);
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int ide_build_sglist(ide_drive_t *, struct request *);
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@ -1182,6 +1183,7 @@ static inline void ide_dma_off(ide_drive_t *drive) { ; }
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static inline void ide_dma_on(ide_drive_t *drive) { ; }
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static inline void ide_dma_verbose(ide_drive_t *drive) { ; }
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static inline int ide_set_dma(ide_drive_t *drive) { return 1; }
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static inline void ide_check_dma_crc(ide_drive_t *drive) { ; }
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#endif /* CONFIG_BLK_DEV_IDEDMA */
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#ifndef CONFIG_BLK_DEV_IDEDMA_PCI
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