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Commit 7f336bf1 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6:
  ide: build-fix for CONFIG_BLK_DEV_IDEDMA_PMAC=n
  Revert "ide: respect current DMA setting during resume"
parents a4f4d6df 53846574

drivers/ide/Kconfig

+3 −11
Original line number Diff line number Diff line
@@ -669,10 +669,12 @@ config BLK_DEV_CELLEB 


endif



# TODO: BLK_DEV_IDEDMA_PCI -> BLK_DEV_IDEDMA_SFF

config BLK_DEV_IDE_PMAC

	tristate "PowerMac on-board IDE support"

	depends on PPC_PMAC && IDE=y

	select IDE_TIMINGS

	select BLK_DEV_IDEDMA_PCI

	help

	  This driver provides support for the on-board IDE controller on

	  most of the recent Apple Power Macintoshes and PowerBooks.
@@ -689,16 +691,6 @@ config BLK_DEV_IDE_PMAC_ATA100FIRST 
	  CD-ROM on hda. This option changes this to more natural hda for

	  hard disk and hdc for CD-ROM.



config BLK_DEV_IDEDMA_PMAC

	bool "PowerMac IDE DMA support"

	depends on BLK_DEV_IDE_PMAC

	select BLK_DEV_IDEDMA_PCI

	help

	  This option allows the driver for the on-board IDE controller on

	  Power Macintoshes and PowerBooks to use DMA (direct memory access)

	  to transfer data to and from memory.  Saying Y is safe and improves

	  performance.



config BLK_DEV_IDE_AU1XXX

       bool "IDE for AMD Alchemy Au1200"

       depends on SOC_AU1200
@@ -912,7 +904,7 @@ config BLK_DEV_UMC8672 
endif



config BLK_DEV_IDEDMA

	def_bool BLK_DEV_IDEDMA_SFF || BLK_DEV_IDEDMA_PMAC || \

	def_bool BLK_DEV_IDEDMA_SFF || \

		 BLK_DEV_IDEDMA_ICS || BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA



endif # IDE

drivers/ide/ide-io.c

+4 −2
Original line number Diff line number Diff line
@@ -208,7 +208,9 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request * 
		 */

		if (drive->hwif->dma_ops == NULL)

			break;

		if (drive->dev_flags & IDE_DFLAG_USING_DMA)

		/*

		 * TODO: respect IDE_DFLAG_USING_DMA

		 */

		ide_set_dma(drive);

		break;

	}

drivers/ide/pmac.c

+3 −27
Original line number Diff line number Diff line
@@ -66,7 +66,6 @@ typedef struct pmac_ide_hwif { 
	struct macio_dev		*mdev;

	u32				timings[4];

	volatile u32 __iomem *		*kauai_fcr;

#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC

	/* Those fields are duplicating what is in hwif. We currently

	 * can't use the hwif ones because of some assumptions that are

	 * beeing done by the generic code about the kind of dma controller
@@ -74,8 +73,6 @@ typedef struct pmac_ide_hwif { 
	 */

	volatile struct dbdma_regs __iomem *	dma_regs;

	struct dbdma_cmd*		dma_table_cpu;

#endif

	

} pmac_ide_hwif_t;



enum {
@@ -222,8 +219,6 @@ static const char* model_name[] = { 
#define KAUAI_FCR_UATA_RESET_N		0x00000002

#define KAUAI_FCR_UATA_ENABLE		0x00000001



#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC



/* Rounded Multiword DMA timings

 * 

 * I gave up finding a generic formula for all controller
@@ -413,8 +408,6 @@ static int pmac_ide_build_dmatable(ide_drive_t *drive, struct request *rq); 
static void pmac_ide_selectproc(ide_drive_t *drive);

static void pmac_ide_kauai_selectproc(ide_drive_t *drive);



#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */



#define PMAC_IDE_REG(x) \

	((void __iomem *)((drive)->hwif->io_ports.data_addr + (x)))
@@ -584,8 +577,6 @@ pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio) 
	pmac_ide_do_update_timings(drive);

}



#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC



/*

 * Calculate KeyLargo ATA/66 UDMA timings

 */
@@ -786,7 +777,6 @@ set_timings_mdma(ide_drive_t *drive, int intf_type, u32 *timings, u32 *timings2, 
		drive->name, speed & 0xf,  *timings);

#endif	

}

#endif /* #ifdef CONFIG_BLK_DEV_IDEDMA_PMAC */



static void pmac_ide_set_dma_mode(ide_drive_t *drive, const u8 speed)

{
@@ -804,7 +794,6 @@ static void pmac_ide_set_dma_mode(ide_drive_t *drive, const u8 speed) 
	tl[0] = *timings;

	tl[1] = *timings2;



#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC

	if (speed >= XFER_UDMA_0) {

		if (pmif->kind == controller_kl_ata4)

			ret = set_timings_udma_ata4(&tl[0], speed);
@@ -817,7 +806,7 @@ static void pmac_ide_set_dma_mode(ide_drive_t *drive, const u8 speed) 
			ret = -1;

	} else

		set_timings_mdma(drive, pmif->kind, &tl[0], &tl[1], speed);

#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */



	if (ret)

		return;
@@ -1008,9 +997,7 @@ static const struct ide_port_info pmac_port_info = { 
	.chipset		= ide_pmac,

	.tp_ops			= &pmac_tp_ops,

	.port_ops		= &pmac_ide_port_ops,

#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC

	.dma_ops		= &pmac_dma_ops,

#endif

	.host_flags		= IDE_HFLAG_SET_PIO_MODE_KEEP_DMA |

				  IDE_HFLAG_POST_SET_MODE |

				  IDE_HFLAG_MMIO |
@@ -1182,7 +1169,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match) 
	pmif->regbase = regbase;

	pmif->irq = irq;

	pmif->kauai_fcr = NULL;

#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC



	if (macio_resource_count(mdev) >= 2) {

		if (macio_request_resource(mdev, 1, "ide-pmac (dma)"))

			printk(KERN_WARNING "ide-pmac: can't request DMA "
@@ -1192,7 +1179,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match) 
			pmif->dma_regs = ioremap(macio_resource_start(mdev, 1), 0x1000);

	} else

		pmif->dma_regs = NULL;

#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */



	dev_set_drvdata(&mdev->ofdev.dev, pmif);



	memset(&hw, 0, sizeof(hw));
@@ -1300,9 +1287,7 @@ pmac_ide_pci_attach(struct pci_dev *pdev, const struct pci_device_id *id) 


	base = ioremap(rbase, rlen);

	pmif->regbase = (unsigned long) base + 0x2000;

#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC

	pmif->dma_regs = base + 0x1000;

#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */

	pmif->kauai_fcr = base;

	pmif->irq = pdev->irq;
@@ -1434,8 +1419,6 @@ out: 
	return error;

}



#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC



/*

 * pmac_ide_build_dmatable builds the DBDMA command list

 * for a transfer and sets the DBDMA channel to point to it.
@@ -1723,13 +1706,6 @@ static int __devinit pmac_ide_init_dma(ide_hwif_t *hwif, 


	return 0;

}

#else

static int __devinit pmac_ide_init_dma(ide_hwif_t *hwif,

				       const struct ide_port_info *d)

{

	return -EOPNOTSUPP;

}

#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */



module_init(pmac_ide_probe);