---

yaml
---
r: 75399
b: refs/heads/master
c: d1ec729
h: refs/heads/master
i:
  75397: cd70a2c
  75395: 69efeb9
  75391: 6e6905c
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: aa7f00741da5e2adeca3e03103d14b9141040e49
+refs/heads/master: d1ec7298fcefd7e4d1ca612da402ce9e5d5e2c13

trunk/Documentation/kernel-parameters.txt

@@ -883,14 +883,6 @@ and is between 256 and 4096 characters. It is defined in the file
 	lapic_timer_c2_ok	[X86-32,x86-64,APIC] trust the local apic timer in
 			C2 power state.
 
-	libata.dma=	[LIBATA] DMA control
-			libata.dma=0	  Disable all PATA and SATA DMA
-			libata.dma=1	  PATA and SATA Disk DMA only
-			libata.dma=2	  ATAPI (CDROM) DMA only
-			libata.dma=4	  Compact Flash DMA only 
-			Combinations also work, so libata.dma=3 enables DMA
-			for disks and CDROMs, but not CFs.
-
 	libata.noacpi	[LIBATA] Disables use of ACPI in libata suspend/resume
 			when set.
 			Format: <int>

trunk/drivers/acpi/events/evregion.c

@@ -344,15 +344,15 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 		 * setup will potentially execute control methods
 		 * (e.g., _REG method for this region)
 		 */
-		acpi_ex_exit_interpreter();
+		acpi_ex_relinquish_interpreter();
 
 		status = region_setup(region_obj, ACPI_REGION_ACTIVATE,
 				      handler_desc->address_space.context,
 				      &region_context);
 
 		/* Re-enter the interpreter */
 
-		acpi_ex_enter_interpreter();
+		acpi_ex_reacquire_interpreter();
 
 		/* Check for failure of the Region Setup */
 
@@ -405,7 +405,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 		 * exit the interpreter because the handler *might* block -- we don't
 		 * know what it will do, so we can't hold the lock on the intepreter.
 		 */
-		acpi_ex_exit_interpreter();
+		acpi_ex_relinquish_interpreter();
 	}
 
 	/* Call the handler */
@@ -426,7 +426,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 		 * We just returned from a non-default handler, we must re-enter the
 		 * interpreter
 		 */
-		acpi_ex_enter_interpreter();
+		acpi_ex_reacquire_interpreter();
 	}
 
 	return_ACPI_STATUS(status);

trunk/drivers/acpi/pci_irq.c

@@ -429,15 +429,6 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
 					  &polarity, &link,
 					  acpi_pci_allocate_irq);
 
-	if (irq < 0) {
-		/*
-		 * IDE legacy mode controller IRQs are magic. Why do compat
-		 * extensions always make such a nasty mess.
-		 */
-		if (dev->class >> 8 == PCI_CLASS_STORAGE_IDE &&
-				(dev->class & 0x05) == 0)
-			return 0;
-	}
 	/*
 	 * No IRQ known to the ACPI subsystem - maybe the BIOS / 
 	 * driver reported one, then use it. Exit in any case.

trunk/drivers/ata/libata-eh.c

@@ -1733,15 +1733,11 @@ static void ata_eh_link_autopsy(struct ata_link *link)
 		ehc->i.action &= ~ATA_EH_PERDEV_MASK;
 	}
 
-	/* propagate timeout to host link */
-	if ((all_err_mask & AC_ERR_TIMEOUT) && !ata_is_host_link(link))
-		ap->link.eh_context.i.err_mask |= AC_ERR_TIMEOUT;
-
-	/* record error and consider speeding down */
+	/* consider speeding down */
 	dev = ehc->i.dev;
-	if (!dev && ((ata_link_max_devices(link) == 1 &&
-		      ata_dev_enabled(link->device))))
-	    dev = link->device;
+	if (!dev && ata_link_max_devices(link) == 1 &&
+	    ata_dev_enabled(link->device))
+		dev = link->device;
 
 	if (dev)
 		ehc->i.action |= ata_eh_speed_down(dev, is_io, all_err_mask);
@@ -1763,14 +1759,8 @@ void ata_eh_autopsy(struct ata_port *ap)
 {
 	struct ata_link *link;
 
-	ata_port_for_each_link(link, ap)
+	__ata_port_for_each_link(link, ap)
 		ata_eh_link_autopsy(link);
-
-	/* Autopsy of fanout ports can affect host link autopsy.
-	 * Perform host link autopsy last.
-	 */
-	if (ap->nr_pmp_links)
-		ata_eh_link_autopsy(&ap->link);
 }
 
 /**
@@ -2167,11 +2157,13 @@ int ata_eh_reset(struct ata_link *link, int classify,
 		if (ata_link_offline(link))
 			continue;
 
-		/* apply class override */
+		/* apply class override and convert UNKNOWN to NONE */
 		if (lflags & ATA_LFLAG_ASSUME_ATA)
 			classes[dev->devno] = ATA_DEV_ATA;
 		else if (lflags & ATA_LFLAG_ASSUME_SEMB)
 			classes[dev->devno] = ATA_DEV_SEMB_UNSUP; /* not yet */
+		else if (classes[dev->devno] == ATA_DEV_UNKNOWN)
+			classes[dev->devno] = ATA_DEV_NONE;
 	}
 
 	/* record current link speed */

trunk/drivers/ata/libata-pmp.c

@@ -495,12 +495,14 @@ static void sata_pmp_quirks(struct ata_port *ap)
 			/* SError.N need a kick in the ass to get working */
 			link->flags |= ATA_LFLAG_HRST_TO_RESUME;
 
-			/* Class code report is unreliable and SRST
-			 * times out under certain configurations.
-			 * Config device can be at port 0 or 5 and
-			 * locks up on SRST.
+			/* class code report is unreliable */
+			if (link->pmp < 5)
+				link->flags |= ATA_LFLAG_ASSUME_ATA;
+
+			/* The config device, which can be either at
+			 * port 0 or 5, locks up on SRST.
 			 */
-			if (link->pmp <= 5)
+			if (link->pmp == 0 || link->pmp == 5)
 				link->flags |= ATA_LFLAG_NO_SRST |
 					       ATA_LFLAG_ASSUME_ATA;
 

trunk/drivers/ata/libata-scsi.c

@@ -872,8 +872,7 @@ int ata_scsi_slave_config(struct scsi_device *sdev)
 
 	ata_scsi_sdev_config(sdev);
 
-	if (dev->class == ATA_DEV_ATA)
-		sdev->manage_start_stop = 1;
+	sdev->manage_start_stop = 1;
 
 	if (dev)
 		ata_scsi_dev_config(sdev, dev);

trunk/drivers/ata/libata-sff.c

@@ -806,18 +806,15 @@ int ata_pci_init_one(struct pci_dev *pdev,
 	if (rc)
 		goto err_out;
 
-	if (!legacy_mode && pdev->irq) {
-		/* We may have no IRQ assigned in which case we can poll. This
-		   shouldn't happen on a sane system but robustness is cheap
-		   in this case */
+	if (!legacy_mode) {
 		rc = devm_request_irq(dev, pdev->irq, pi->port_ops->irq_handler,
 				      IRQF_SHARED, DRV_NAME, host);
 		if (rc)
 			goto err_out;
 
 		ata_port_desc(host->ports[0], "irq %d", pdev->irq);
 		ata_port_desc(host->ports[1], "irq %d", pdev->irq);
-	} else if (legacy_mode) {
+	} else {
 		if (!ata_port_is_dummy(host->ports[0])) {
 			rc = devm_request_irq(dev, ATA_PRIMARY_IRQ(pdev),
 					      pi->port_ops->irq_handler,

trunk/drivers/ata/pata_ixp4xx_cf.c

@@ -130,11 +130,10 @@ static struct ata_port_operations ixp4xx_port_ops = {
 	.port_start		= ata_port_start,
 };
 
-static void ixp4xx_setup_port(struct ata_port *ap,
+static void ixp4xx_setup_port(struct ata_ioports *ioaddr,
 			      struct ixp4xx_pata_data *data,
 			      unsigned long raw_cs0, unsigned long raw_cs1)
 {
-	struct ata_ioports *ioaddr = &ap->ioaddr;
 	unsigned long raw_cmd = raw_cs0;
 	unsigned long raw_ctl = raw_cs1 + 0x06;
 

trunk/drivers/ata/pata_pdc202xx_old.c

@@ -215,8 +215,8 @@ static void pdc2026x_bmdma_stop(struct ata_queued_cmd *qc)
 	/* Flip back to 33Mhz for PIO */
 	if (adev->dma_mode >= XFER_UDMA_2)
 		iowrite8(ioread8(clock) & ~sel66, clock);
+
 	ata_bmdma_stop(qc);
-	pdc202xx_set_piomode(ap, adev);
 }
 
 /**
@@ -233,17 +233,6 @@ static void pdc2026x_dev_config(struct ata_device *adev)
 	adev->max_sectors = 256;
 }
 
-static int pdc2026x_port_start(struct ata_port *ap)
-{
-	void __iomem *bmdma = ap->ioaddr.bmdma_addr;
-	if (bmdma) {
-		/* Enable burst mode */
-		u8 burst = ioread8(bmdma + 0x1f);
-		iowrite8(burst | 0x01, bmdma + 0x1f);
-	}
-	return ata_sff_port_start(ap);
-}
-
 static struct scsi_host_template pdc202xx_sht = {
 	.module			= THIS_MODULE,
 	.name			= DRV_NAME,
@@ -324,7 +313,7 @@ static struct ata_port_operations pdc2026x_port_ops = {
 	.irq_clear	= ata_bmdma_irq_clear,
 	.irq_on		= ata_irq_on,
 
-	.port_start	= pdc2026x_port_start,
+	.port_start	= ata_sff_port_start,
 };
 
 static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id)

trunk/drivers/ata/sata_qstor.c

@@ -270,7 +270,7 @@ static int qs_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val)
 static void qs_error_handler(struct ata_port *ap)
 {
 	qs_enter_reg_mode(ap);
-	ata_do_eh(ap, qs_prereset, NULL, sata_std_hardreset,
+	ata_do_eh(ap, qs_prereset, ata_std_softreset, NULL,
 		  ata_std_postreset);
 }
 

trunk/drivers/ata/sata_sil24.c

@@ -832,39 +832,24 @@ static int sil24_qc_defer(struct ata_queued_cmd *qc)
 	struct ata_link *link = qc->dev->link;
 	struct ata_port *ap = link->ap;
 	u8 prot = qc->tf.protocol;
-
-	/*
-	 * There is a bug in the chip:
-	 * Port LRAM Causes the PRB/SGT Data to be Corrupted
-	 * If the host issues a read request for LRAM and SActive registers
-	 * while active commands are available in the port, PRB/SGT data in
-	 * the LRAM can become corrupted. This issue applies only when
-	 * reading from, but not writing to, the LRAM.
-	 *
-	 * Therefore, reading LRAM when there is no particular error [and
-	 * other commands may be outstanding] is prohibited.
-	 *
-	 * To avoid this bug there are two situations where a command must run
-	 * exclusive of any other commands on the port:
-	 *
-	 * - ATAPI commands which check the sense data
-	 * - Passthrough ATA commands which always have ATA_QCFLAG_RESULT_TF
-	 *   set.
-	 *
- 	 */
-	int is_excl = (prot == ATA_PROT_ATAPI ||
-		       prot == ATA_PROT_ATAPI_NODATA ||
-		       prot == ATA_PROT_ATAPI_DMA ||
-		       (qc->flags & ATA_QCFLAG_RESULT_TF));
-
+	int is_atapi = (prot == ATA_PROT_ATAPI ||
+			prot == ATA_PROT_ATAPI_NODATA ||
+			prot == ATA_PROT_ATAPI_DMA);
+
+	/* ATAPI commands completing with CHECK_SENSE cause various
+	 * weird problems if other commands are active.  PMP DMA CS
+	 * errata doesn't cover all and HSM violation occurs even with
+	 * only one other device active.  Always run an ATAPI command
+	 * by itself.
+	 */
 	if (unlikely(ap->excl_link)) {
 		if (link == ap->excl_link) {
 			if (ap->nr_active_links)
 				return ATA_DEFER_PORT;
 			qc->flags |= ATA_QCFLAG_CLEAR_EXCL;
 		} else
 			return ATA_DEFER_PORT;
-	} else if (unlikely(is_excl)) {
+	} else if (unlikely(is_atapi)) {
 		ap->excl_link = link;
 		if (ap->nr_active_links)
 			return ATA_DEFER_PORT;

trunk/drivers/crypto/padlock-aes.c

@@ -429,8 +429,8 @@ static inline void padlock_xcrypt(const u8 *input, u8 *output, void *key,
 
 static void aes_crypt_copy(const u8 *in, u8 *out, u32 *key, struct cword *cword)
 {
-	u8 buf[AES_BLOCK_SIZE * 2 + PADLOCK_ALIGNMENT - 1];
-	u8 *tmp = PTR_ALIGN(&buf[0], PADLOCK_ALIGNMENT);
+	u8 tmp[AES_BLOCK_SIZE * 2]
+		__attribute__ ((__aligned__(PADLOCK_ALIGNMENT)));
 
 	memcpy(tmp, in, AES_BLOCK_SIZE);
 	padlock_xcrypt(tmp, out, key, cword);

trunk/drivers/ide/ide-acpi.c

@@ -16,7 +16,6 @@
 #include <acpi/acpi.h>
 #include <linux/ide.h>
 #include <linux/pci.h>
-#include <linux/dmi.h>
 
 #include <acpi/acpi_bus.h>
 #include <acpi/acnames.h>
@@ -66,37 +65,6 @@ extern int ide_noacpi;
 extern int ide_noacpitfs;
 extern int ide_noacpionboot;
 
-static bool ide_noacpi_psx;
-static int no_acpi_psx(const struct dmi_system_id *id)
-{
-	ide_noacpi_psx = true;
-	printk(KERN_NOTICE"%s detected - disable ACPI _PSx.\n", id->ident);
-	return 0;
-}
-
-static const struct dmi_system_id ide_acpi_dmi_table[] = {
-	/* Bug 9673. */
-	/* We should check if this is because ACPI NVS isn't save/restored. */
-	{
-		.callback = no_acpi_psx,
-		.ident    = "HP nx9005",
-		.matches  = {
-			DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies Ltd."),
-			DMI_MATCH(DMI_BIOS_VERSION, "KAM1.60")
-		},
-	},
-};
-
-static int ide_acpi_blacklist(void)
-{
-	static int done;
-	if (done)
-		return 0;
-	done = 1;
-	dmi_check_system(ide_acpi_dmi_table);
-	return 0;
-}
-
 /**
  * ide_get_dev_handle - finds acpi_handle and PCI device.function
  * @dev: device to locate
@@ -655,7 +623,7 @@ void ide_acpi_set_state(ide_hwif_t *hwif, int on)
 {
 	int unit;
 
-	if (ide_noacpi || ide_noacpi_psx)
+	if (ide_noacpi)
 		return;
 
 	DEBPRINT("ENTER:\n");
@@ -700,8 +668,6 @@ void ide_acpi_init(ide_hwif_t *hwif)
 	struct ide_acpi_drive_link	*master;
 	struct ide_acpi_drive_link	*slave;
 
-	ide_acpi_blacklist();
-
 	hwif->acpidata = kzalloc(sizeof(struct ide_acpi_hwif_link), GFP_KERNEL);
 	if (!hwif->acpidata)
 		return;

trunk/drivers/ide/ide-iops.c

@@ -612,12 +612,12 @@ u8 eighty_ninty_three (ide_drive_t *drive)
 		printk(KERN_DEBUG "%s: skipping word 93 validity check\n",
 				  drive->name);
 
-	if (ide_dev_is_sata(id) && !ivb)
-		return 1;
-
 	if (hwif->cbl != ATA_CBL_PATA80 && !ivb)
 		goto no_80w;
 
+	if (ide_dev_is_sata(id))
+		return 1;
+
 	/*
 	 * FIXME:
 	 * - force bit13 (80c cable present) check also for !ivb devices