Alan has noticed that distros always enabled burst mode (+ datasheet confirms that it is the right thing to do). Thus fix pdc202xx_old host driver to do it unconditionally and remove no longer needed CONFIG_PDC202XX_BURST option. Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx> --- drivers/ide/Kconfig | 17 ----------------- drivers/ide/pci/pdc202xx_old.c | 22 ---------------------- 2 files changed, 39 deletions(-) Index: b/drivers/ide/Kconfig =================================================================== --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -684,23 +684,6 @@ config BLK_DEV_PDC202XX_OLD If unsure, say N. -config PDC202XX_BURST - bool "Special UDMA Feature" - depends on BLK_DEV_PDC202XX_OLD - help - This option causes the pdc202xx driver to enable UDMA modes on the - PDC202xx even when the PDC202xx BIOS has not done so. - - It was originally designed for the PDC20246/Ultra33, whose BIOS will - only setup UDMA on the first two PDC20246 cards. It has also been - used successfully on a PDC20265/Ultra100, allowing use of UDMA modes - when the PDC20265 BIOS has been disabled (for faster boot up). - - Please read the comments at the top of - <file:drivers/ide/pci/pdc202xx_old.c>. - - If unsure, say N. - config BLK_DEV_PDC202XX_NEW tristate "PROMISE PDC202{68|69|70|71|75|76|77} support" select BLK_DEV_IDEDMA_PCI Index: b/drivers/ide/pci/pdc202xx_old.c =================================================================== --- a/drivers/ide/pci/pdc202xx_old.c +++ b/drivers/ide/pci/pdc202xx_old.c @@ -3,26 +3,6 @@ * Copyright (C) 2006-2007 MontaVista Software, Inc. * Copyright (C) 2007 Bartlomiej Zolnierkiewicz * - * Promise Ultra33 cards with BIOS v1.20 through 1.28 will need this - * compiled into the kernel if you have more than one card installed. - * Note that BIOS v1.29 is reported to fix the problem. Since this is - * safe chipset tuning, including this support is harmless - * - * Promise Ultra66 cards with BIOS v1.11 this - * compiled into the kernel if you have more than one card installed. - * - * Promise Ultra100 cards. - * - * The latest chipset code will support the following :: - * Three Ultra33 controllers and 12 drives. - * 8 are UDMA supported and 4 are limited to DMA mode 2 multi-word. - * The 8/4 ratio is a BIOS code limit by promise. - * - * UNLESS you enable "CONFIG_PDC202XX_BURST" - * - */ - -/* * Portions Copyright (C) 1999 Promise Technology, Inc. * Author: Frank Tiernan (frankt@xxxxxxxxxxx) * Released under terms of General Public License @@ -344,7 +324,6 @@ static void __devinit init_dma_pdc202xx( (primary_mode & 1) ? "MASTER" : "PCI", (secondary_mode & 1) ? "MASTER" : "PCI" ); -#ifdef CONFIG_PDC202XX_BURST if (!(udma_speed_flag & 1)) { printk(KERN_INFO "%s: FORCING BURST BIT 0x%02x->0x%02x ", hwif->cds->name, udma_speed_flag, @@ -352,7 +331,6 @@ static void __devinit init_dma_pdc202xx( outb(udma_speed_flag | 1, dmabase | 0x1f); printk("%sACTIVE\n", (inb(dmabase | 0x1f) & 1) ? "" : "IN"); } -#endif /* CONFIG_PDC202XX_BURST */ ide_setup_dma(hwif, dmabase); } - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html