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Commit 91396c1e authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev 

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  pata_via: Handle laptops via DMI
  libata: -ENODEV during prereset isn't an error
  libata: don't consider 0xff as port empty if SStatus is available
  ata_piix: add short 40c quirk for Acer Aspire 2030, take #2
  pata_sis: Fix and clean up some timing setups
  hpt3x2n: Correct revision boundary
parents 9059b454 cf5792d2

drivers/ata/ata_piix.c

+1 −0
Original line number Diff line number Diff line
@@ -578,6 +578,7 @@ static const struct ich_laptop ich_laptop[] = { 
	{ 0x27DF, 0x0005, 0x0280 },	/* ICH7 on Acer 5602WLMi */

	{ 0x27DF, 0x1025, 0x0110 },	/* ICH7 on Acer 3682WLMi */

	{ 0x27DF, 0x1043, 0x1267 },	/* ICH7 on Asus W5F */

	{ 0x24CA, 0x1025, 0x0061 },	/* ICH4 on ACER Aspire 2023WLMi */

	/* end marker */

	{ 0, }

};

drivers/ata/libata-core.c

+2 −2
Original line number Diff line number Diff line
@@ -3022,7 +3022,7 @@ int ata_wait_ready(struct ata_port *ap, unsigned long deadline) 


		if (!(status & ATA_BUSY))

			return 0;

		if (status == 0xff)

		if (!ata_port_online(ap) && status == 0xff)

			return -ENODEV;

		if (time_after(now, deadline))

			return -EBUSY;
@@ -3368,7 +3368,7 @@ int ata_std_prereset(struct ata_port *ap, unsigned long deadline) 
	 */

	if (!(ap->flags & ATA_FLAG_SKIP_D2H_BSY) && !ata_port_offline(ap)) {

		rc = ata_wait_ready(ap, deadline);

		if (rc) {

		if (rc && rc != -ENODEV) {

			ata_port_printk(ap, KERN_WARNING, "device not ready "

					"(errno=%d), forcing hardreset\n", rc);

			ehc->i.action |= ATA_EH_HARDRESET;

drivers/ata/pata_hpt3x2n.c

+2 −2
Original line number Diff line number Diff line
@@ -521,8 +521,8 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id) 
			/* 371N if rev > 1 */

			break;

		case PCI_DEVICE_ID_TTI_HPT372:

			/* 372N if rev >= 1*/

			if (class_rev == 0)

			/* 372N if rev >= 2*/

			if (class_rev < 2)

				return -ENODEV;

			break;

		case PCI_DEVICE_ID_TTI_HPT302:

drivers/ata/pata_sis.c

+23 −23
Original line number Diff line number Diff line
@@ -73,14 +73,14 @@ static int sis_short_ata40(struct pci_dev *dev) 
}



/**

 *	sis_port_base		-	return PCI configuration base for dev

 *	sis_old_port_base		-	return PCI configuration base for dev

 *	@adev: device

 *

 *	Returns the base of the PCI configuration registers for this port

 *	number.

 */



static int sis_port_base(struct ata_device *adev)

static int sis_old_port_base(struct ata_device *adev)

{

	return  0x40 + (4 * adev->ap->port_no) +  (2 * adev->devno);

}
@@ -211,7 +211,7 @@ static void sis_set_fifo(struct ata_port *ap, struct ata_device *adev) 
static void sis_old_set_piomode (struct ata_port *ap, struct ata_device *adev)

{

	struct pci_dev *pdev	= to_pci_dev(ap->host->dev);

	int port = sis_port_base(adev);

	int port = sis_old_port_base(adev);

	u8 t1, t2;

	int speed = adev->pio_mode - XFER_PIO_0;
@@ -248,7 +248,7 @@ static void sis_old_set_piomode (struct ata_port *ap, struct ata_device *adev) 
static void sis_100_set_piomode (struct ata_port *ap, struct ata_device *adev)

{

	struct pci_dev *pdev	= to_pci_dev(ap->host->dev);

	int port = sis_port_base(adev);

	int port = sis_old_port_base(adev);

	int speed = adev->pio_mode - XFER_PIO_0;



	const u8 actrec[] = { 0x00, 0x67, 0x44, 0x33, 0x31 };
@@ -328,7 +328,7 @@ static void sis_old_set_dmamode (struct ata_port *ap, struct ata_device *adev) 
{

	struct pci_dev *pdev	= to_pci_dev(ap->host->dev);

	int speed = adev->dma_mode - XFER_MW_DMA_0;

	int drive_pci = sis_port_base(adev);

	int drive_pci = sis_old_port_base(adev);

	u16 timing;



	const u16 mwdma_bits[] = { 0x707, 0x202, 0x202 };
@@ -367,7 +367,7 @@ static void sis_66_set_dmamode (struct ata_port *ap, struct ata_device *adev) 
{

	struct pci_dev *pdev	= to_pci_dev(ap->host->dev);

	int speed = adev->dma_mode - XFER_MW_DMA_0;

	int drive_pci = sis_port_base(adev);

	int drive_pci = sis_old_port_base(adev);

	u16 timing;



	const u16 mwdma_bits[] = { 0x707, 0x202, 0x202 };
@@ -383,7 +383,7 @@ static void sis_66_set_dmamode (struct ata_port *ap, struct ata_device *adev) 
	} else {

		/* Bit 15 is UDMA on/off, bit 12-14 are cycle time */

		speed = adev->dma_mode - XFER_UDMA_0;

		timing &= ~0x6000;

		timing &= ~0xF000;

		timing |= udma_bits[speed];

	}

	pci_write_config_word(pdev, drive_pci, timing);
@@ -405,22 +405,22 @@ static void sis_100_set_dmamode (struct ata_port *ap, struct ata_device *adev) 
{

	struct pci_dev *pdev	= to_pci_dev(ap->host->dev);

	int speed = adev->dma_mode - XFER_MW_DMA_0;

	int drive_pci = sis_port_base(adev);

	u16 timing;

	int drive_pci = sis_old_port_base(adev);

	u8 timing;



	const u16 udma_bits[]  = { 0x8B00, 0x8700, 0x8500, 0x8300, 0x8200, 0x8100};

	const u8 udma_bits[]  = { 0x8B, 0x87, 0x85, 0x83, 0x82, 0x81};



	pci_read_config_word(pdev, drive_pci, &timing);

	pci_read_config_byte(pdev, drive_pci + 1, &timing);



	if (adev->dma_mode < XFER_UDMA_0) {

		/* NOT SUPPORTED YET: NEED DATA SHEET. DITTO IN OLD DRIVER */

	} else {

		/* Bit 15 is UDMA on/off, bit 12-14 are cycle time */

		/* Bit 7 is UDMA on/off, bit 0-3 are cycle time */

		speed = adev->dma_mode - XFER_UDMA_0;

		timing &= ~0x0F00;

		timing &= ~0x8F;

		timing |= udma_bits[speed];

	}

	pci_write_config_word(pdev, drive_pci, timing);

	pci_write_config_byte(pdev, drive_pci + 1, timing);

}



/**
@@ -440,22 +440,22 @@ static void sis_133_early_set_dmamode (struct ata_port *ap, struct ata_device *a 
{

	struct pci_dev *pdev	= to_pci_dev(ap->host->dev);

	int speed = adev->dma_mode - XFER_MW_DMA_0;

	int drive_pci = sis_port_base(adev);

	u16 timing;



	static const u16 udma_bits[]  = { 0x8F00, 0x8A00, 0x8700, 0x8500, 0x8300, 0x8200, 0x8100};

	int drive_pci = sis_old_port_base(adev);

	u8 timing;

	/* Low 4 bits are timing */

	static const u8 udma_bits[]  = { 0x8F, 0x8A, 0x87, 0x85, 0x83, 0x82, 0x81};



	pci_read_config_word(pdev, drive_pci, &timing);

	pci_read_config_byte(pdev, drive_pci + 1, &timing);



	if (adev->dma_mode < XFER_UDMA_0) {

		/* NOT SUPPORTED YET: NEED DATA SHEET. DITTO IN OLD DRIVER */

	} else {

		/* Bit 15 is UDMA on/off, bit 12-14 are cycle time */

		/* Bit 7 is UDMA on/off, bit 0-3 are cycle time */

		speed = adev->dma_mode - XFER_UDMA_0;

		timing &= ~0x0F00;

		timing &= ~0x8F;

		timing |= udma_bits[speed];

	}

	pci_write_config_word(pdev, drive_pci, timing);

	pci_write_config_byte(pdev, drive_pci + 1, timing);

}



/**

drivers/ata/pata_via.c

+29 −0
Original line number Diff line number Diff line
@@ -60,6 +60,7 @@ 
#include <linux/delay.h>

#include <scsi/scsi_host.h>

#include <linux/libata.h>

#include <linux/dmi.h>



#define DRV_NAME "pata_via"

#define DRV_VERSION "0.3.1"
@@ -122,6 +123,31 @@ static const struct via_isa_bridge { 
	{ NULL }

};





/*

 *	Cable special cases

 */



static struct dmi_system_id cable_dmi_table[] = {

	{

		.ident = "Acer Ferrari 3400",

		.matches = {

			DMI_MATCH(DMI_BOARD_VENDOR, "Acer,Inc."),

			DMI_MATCH(DMI_BOARD_NAME, "Ferrari 3400"),

		},

	},

	{ }

};



static int via_cable_override(struct pci_dev *pdev)

{

	/* Systems by DMI */

	if (dmi_check_system(cable_dmi_table))

		return 1;

	return 0;

}





/**

 *	via_cable_detect	-	cable detection

 *	@ap: ATA port
@@ -139,6 +165,9 @@ static int via_cable_detect(struct ata_port *ap) { 
	struct pci_dev *pdev = to_pci_dev(ap->host->dev);

	u32 ata66;



	if (via_cable_override(pdev))

		return ATA_CBL_PATA40_SHORT;



	/* Early chips are 40 wire */

	if ((config->flags & VIA_UDMA) < VIA_UDMA_66)

		return ATA_CBL_PATA40;