Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6: ide: clean up timed out request handling hpt366: fix clock turnaround hpt366: add debounce delay to cable_detect() method
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commit
302f5bc544
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@ -838,7 +838,7 @@ static void hpt3xxn_set_clock(ide_hwif_t *hwif, u8 mode)
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static void hpt3xxn_rw_disk(ide_drive_t *drive, struct request *rq)
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{
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hpt3xxn_set_clock(drive->hwif, rq_data_dir(rq) ? 0x23 : 0x21);
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hpt3xxn_set_clock(drive->hwif, rq_data_dir(rq) ? 0x21 : 0x23);
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}
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/**
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@ -1173,8 +1173,9 @@ static u8 hpt3xx_cable_detect(ide_hwif_t *hwif)
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u16 mcr;
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pci_read_config_word(dev, mcr_addr, &mcr);
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pci_write_config_word(dev, mcr_addr, (mcr | 0x8000));
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/* now read cable id register */
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pci_write_config_word(dev, mcr_addr, mcr | 0x8000);
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/* Debounce, then read cable ID register */
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udelay(10);
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pci_read_config_byte(dev, 0x5a, &scr1);
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pci_write_config_word(dev, mcr_addr, mcr);
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} else if (chip_type >= HPT370) {
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@ -1185,10 +1186,11 @@ static u8 hpt3xx_cable_detect(ide_hwif_t *hwif)
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u8 scr2 = 0;
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pci_read_config_byte(dev, 0x5b, &scr2);
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pci_write_config_byte(dev, 0x5b, (scr2 & ~1));
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/* now read cable id register */
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pci_write_config_byte(dev, 0x5b, scr2 & ~1);
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/* Debounce, then read cable ID register */
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udelay(10);
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pci_read_config_byte(dev, 0x5a, &scr1);
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pci_write_config_byte(dev, 0x5b, scr2);
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pci_write_config_byte(dev, 0x5b, scr2);
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} else
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pci_read_config_byte(dev, 0x5a, &scr1);
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@ -449,7 +449,6 @@ ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error)
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ide_hwif_t *hwif = drive->hwif;
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const struct ide_dma_ops *dma_ops = hwif->dma_ops;
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struct ide_cmd *cmd = &hwif->cmd;
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struct request *rq;
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ide_startstop_t ret = ide_stopped;
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/*
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@ -487,14 +486,10 @@ ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error)
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ide_dma_off_quietly(drive);
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/*
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* un-busy drive etc and make sure request is sane
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* make sure request is sane
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*/
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rq = hwif->rq;
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if (rq) {
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hwif->rq = NULL;
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rq->errors = 0;
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ide_requeue_and_plug(drive, rq);
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}
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if (hwif->rq)
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hwif->rq->errors = 0;
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return ret;
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}
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