[PATCH] ide: remove write-only ide_hwif_t.no_dsc flag Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 8 -------- drivers/ide/ide.c | 1 - drivers/ide/pci/aec62xx.c | 4 +--- drivers/ide/pci/hpt34x.c | 1 - include/linux/ide.h | 1 - 5 files changed, 1 insertion(+), 14 deletions(-) Index: a/drivers/ide/ide-cd.c =================================================================== --- a.orig/drivers/ide/ide-cd.c +++ a/drivers/ide/ide-cd.c @@ -3247,14 +3247,6 @@ int ide_cdrom_setup (ide_drive_t *drive) if (drive->autotune == IDE_TUNE_DEFAULT || drive->autotune == IDE_TUNE_AUTO) drive->dsc_overlap = (drive->next != drive); -#if 0 - drive->dsc_overlap = (HWIF(drive)->no_dsc) ? 0 : 1; - if (HWIF(drive)->no_dsc) { - printk(KERN_INFO "ide-cd: %s: disabling DSC overlap\n", - drive->name); - drive->dsc_overlap = 0; - } -#endif if (ide_cdrom_register(drive, nslots)) { printk (KERN_ERR "%s: ide_cdrom_setup failed to register device with the cdrom driver.\n", drive->name); Index: a/drivers/ide/ide.c =================================================================== --- a.orig/drivers/ide/ide.c +++ a/drivers/ide/ide.c @@ -545,7 +545,6 @@ static void ide_hwif_restore(ide_hwif_t hwif->extra_ports = tmp_hwif->extra_ports; hwif->autodma = tmp_hwif->autodma; hwif->udma_four = tmp_hwif->udma_four; - hwif->no_dsc = tmp_hwif->no_dsc; hwif->hwif_data = tmp_hwif->hwif_data; } Index: a/drivers/ide/pci/aec62xx.c =================================================================== --- a.orig/drivers/ide/pci/aec62xx.c +++ a/drivers/ide/pci/aec62xx.c @@ -286,10 +286,8 @@ static void __devinit init_hwif_aec62xx( hwif->tuneproc = &aec62xx_tune_drive; hwif->speedproc = &aec62xx_tune_chipset; - if (hwif->pci_dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF) { + if (hwif->pci_dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF) hwif->serialized = hwif->channel; - hwif->no_dsc = 1; - } if (hwif->mate) hwif->mate->serialized = hwif->serialized; Index: a/drivers/ide/pci/hpt34x.c =================================================================== --- a.orig/drivers/ide/pci/hpt34x.c +++ a/drivers/ide/pci/hpt34x.c @@ -209,7 +209,6 @@ static void __devinit init_hwif_hpt34x(i hwif->tuneproc = &hpt34x_tune_drive; hwif->speedproc = &hpt34x_tune_chipset; - hwif->no_dsc = 1; hwif->drives[0].autotune = 1; hwif->drives[1].autotune = 1; Index: a/include/linux/ide.h =================================================================== --- a.orig/include/linux/ide.h +++ a/include/linux/ide.h @@ -791,7 +791,6 @@ typedef struct hwif_s { unsigned udma_four : 1; /* 1=ATA-66 capable, 0=default */ unsigned no_lba48 : 1; /* 1 = cannot do LBA48 */ unsigned no_lba48_dma : 1; /* 1 = cannot do LBA48 DMA */ - unsigned no_dsc : 1; /* 0 default, 1 dsc_overlap disabled */ unsigned auto_poll : 1; /* supports nop auto-poll */ unsigned sg_mapped : 1; /* sg_table and sg_nents are ready */ unsigned no_io_32bit : 1; /* 1 = can not do 32-bit IO ops */