15 files changed, 82 insertions, 59 deletions

diff --git a/arch/frv/mb93090-mb00/pci-vdk.c b/arch/frv/mb93090-mb00/pci-vdk.c
index 0b581e3cf7c7..6d51f133fb23 100644
--- a/arch/frv/mb93090-mb00/pci-vdk.c
+++ b/arch/frv/mb93090-mb00/pci-vdk.c
@@ -400,7 +400,8 @@ int __init pcibios_init(void)
         __reg_MB86943_pci_sl_mem_base   = __region_CS2 + 0x08000000;
         mb();
 
-        *(volatile unsigned long *)(__region_CS2+0x01300014) == 1;
+        /* enable PCI arbitration */
+        __reg_MB86943_pci_arbiter       = MB86943_PCIARB_EN;
 
         ioport_resource.start   = (__reg_MB86943_sl_pci_io_base << 9) & 0xfffffc00;
         ioport_resource.end     = (__reg_MB86943_sl_pci_io_range << 9) | 0x3ff;
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index ad070861bb53..a78832ea81fa 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -890,37 +890,46 @@ static void ich_set_dmamode (struct ata_port *ap, struct ata_device *adev)
 }
 
 #ifdef CONFIG_PM
-static struct dmi_system_id piix_broken_suspend_dmi_table[] = {
-        {
-                .ident = "TECRA M5",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "TECRA M5"),
-                },
-        },
-        {
-                .ident = "Satellite U200",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U200"),
+static int piix_broken_suspend(void)
+{
+        static struct dmi_system_id sysids[] = {
+                {
+                        .ident = "TECRA M5",
+                        .matches = {
+                                DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+                                DMI_MATCH(DMI_PRODUCT_NAME, "TECRA M5"),
+                        },
                 },
-        },
-        {
-                .ident = "Satellite U205",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U205"),
+                {
+                        .ident = "Satellite U205",
+                        .matches = {
+                                DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+                                DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U205"),
+                        },
                 },
-        },
-        {
-                .ident = "Portege M500",
-                .matches = {
-                        DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE M500"),
+                {
+                        .ident = "Portege M500",
+                        .matches = {
+                                DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+                                DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE M500"),
+                        },
                 },
-        },
-        { }
-};
+                { }
+        };
+        static const char *oemstrs[] = {
+                "Tecra M3,",
+        };
+        int i;
+
+        if (dmi_check_system(sysids))
+                return 1;
+
+        for (i = 0; i < ARRAY_SIZE(oemstrs); i++)
+                if (dmi_find_device(DMI_DEV_TYPE_OEM_STRING, oemstrs[i], NULL))
+                        return 1;
+
+        return 0;
+}
 
 static int piix_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
 {
@@ -937,8 +946,7 @@ static int piix_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
          * cycles and power trying to do something to the sleeping
          * beauty.
          */
-        if (dmi_check_system(piix_broken_suspend_dmi_table) &&
-            mesg.event == PM_EVENT_SUSPEND) {
+        if (piix_broken_suspend() && mesg.event == PM_EVENT_SUSPEND) {
                 pci_save_state(pdev);
 
                 /* mark its power state as "unknown", since we don't
@@ -973,10 +981,10 @@ static int piix_pci_device_resume(struct pci_dev *pdev)
                 pci_restore_state(pdev);
 
                 /* PCI device wasn't disabled during suspend.  Use
-                 * __pci_reenable_device() to avoid affecting the
-                 * enable count.
+                 * pci_reenable_device() to avoid affecting the enable
+                 * count.
                  */
-                rc = __pci_reenable_device(pdev);
+                rc = pci_reenable_device(pdev);
                 if (rc)
                         dev_printk(KERN_ERR, &pdev->dev, "failed to enable "
                                    "device after resume (%d)\n", rc);
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 6001aae0b884..60e78bef469f 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3788,6 +3788,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
         { "WDC WD740ADFD-00NLR1", NULL,         ATA_HORKAGE_NONCQ, },
         { "FUJITSU MHV2080BH",  "00840028",     ATA_HORKAGE_NONCQ, },
         { "ST9160821AS",        "3.CLF",        ATA_HORKAGE_NONCQ, },
+        { "SAMSUNG HD401LJ",    "ZZ100-15",     ATA_HORKAGE_NONCQ, },
 
         /* Devices with NCQ limits */
 
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 6c289c7b1322..1cce2198baaf 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -573,6 +573,10 @@ int ata_pci_init_bmdma(struct ata_host *host)
         struct pci_dev *pdev = to_pci_dev(gdev);
         int i, rc;
 
+        /* No BAR4 allocation: No DMA */
+        if (pci_resource_start(pdev, 4) == 0)
+                return 0;
+
         /* TODO: If we get no DMA mask we should fall back to PIO */
         rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
         if (rc)
diff --git a/drivers/ata/pata_cmd64x.c b/drivers/ata/pata_cmd64x.c
index dc443e7dc37c..e34b632487d7 100644
--- a/drivers/ata/pata_cmd64x.c
+++ b/drivers/ata/pata_cmd64x.c
@@ -31,7 +31,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME "pata_cmd64x"
-#define DRV_VERSION "0.2.3"
+#define DRV_VERSION "0.2.4"
 
 /*
  * CMD64x specific registers definition.
@@ -397,7 +397,7 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
                         .flags = ATA_FLAG_SLAVE_POSS,
                         .pio_mask = 0x1f,
                         .mwdma_mask = 0x07,
-                        .udma_mask = ATA_UDMA1,
+                        .udma_mask = ATA_UDMA2,
                         .port_ops = &cmd64x_port_ops
                 },
                 {       /* CMD 646 rev 1  */
@@ -412,7 +412,7 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
                         .flags = ATA_FLAG_SLAVE_POSS,
                         .pio_mask = 0x1f,
                         .mwdma_mask = 0x07,
-                        .udma_mask = ATA_UDMA2,
+                        .udma_mask = ATA_UDMA4,
                         .port_ops = &cmd648_port_ops
                 },
                 {       /* CMD 649 */
@@ -420,7 +420,7 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
                         .flags = ATA_FLAG_SLAVE_POSS,
                         .pio_mask = 0x1f,
                         .mwdma_mask = 0x07,
-                        .udma_mask = ATA_UDMA3,
+                        .udma_mask = ATA_UDMA5,
                         .port_ops = &cmd648_port_ops
                 }
         };
diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c
index 9a829a7cbc60..66bd0e83ac07 100644
--- a/drivers/ata/pata_sis.c
+++ b/drivers/ata/pata_sis.c
@@ -2,6 +2,7 @@
  *    pata_sis.c - SiS ATA driver
  *
  *      (C) 2005 Red Hat <alan@redhat.com>
+ *      (C) 2007 Bartlomiej Zolnierkiewicz
  *
  *    Based upon linux/drivers/ide/pci/sis5513.c
  * Copyright (C) 1999-2000      Andre Hedrick <andre@linux-ide.org>
@@ -35,7 +36,7 @@
 #include "sis.h"
 
 #define DRV_NAME        "pata_sis"
-#define DRV_VERSION     "0.5.1"
+#define DRV_VERSION     "0.5.2"
 
 struct sis_chipset {
         u16 device;                             /* PCI host ID */
@@ -237,7 +238,7 @@ static void sis_old_set_piomode (struct ata_port *ap, struct ata_device *adev)
 }
 
 /**
- *      sis_100_set_pioode - Initialize host controller PATA PIO timings
+ *      sis_100_set_piomode - Initialize host controller PATA PIO timings
  *      @ap: Port whose timings we are configuring
  *      @adev: Device we are configuring for.
  *
@@ -262,7 +263,7 @@ static void sis_100_set_piomode (struct ata_port *ap, struct ata_device *adev)
 }
 
 /**
- *      sis_133_set_pioode - Initialize host controller PATA PIO timings
+ *      sis_133_set_piomode - Initialize host controller PATA PIO timings
  *      @ap: Port whose timings we are configuring
  *      @adev: Device we are configuring for.
  *
@@ -334,7 +335,7 @@ static void sis_old_set_dmamode (struct ata_port *ap, struct ata_device *adev)
         int drive_pci = sis_old_port_base(adev);
         u16 timing;
 
-        const u16 mwdma_bits[] = { 0x707, 0x202, 0x202 };
+        const u16 mwdma_bits[] = { 0x008, 0x302, 0x301 };
         const u16 udma_bits[]  = { 0xE000, 0xC000, 0xA000 };
 
         pci_read_config_word(pdev, drive_pci, &timing);
@@ -342,15 +343,15 @@ static void sis_old_set_dmamode (struct ata_port *ap, struct ata_device *adev)
         if (adev->dma_mode < XFER_UDMA_0) {
                 /* bits 3-0 hold recovery timing bits 8-10 active timing and
                    the higer bits are dependant on the device */
-                timing &= ~ 0x870F;
+                timing &= ~0x870F;
                 timing |= mwdma_bits[speed];
-                pci_write_config_word(pdev, drive_pci, timing);
         } else {
                 /* Bit 15 is UDMA on/off, bit 13-14 are cycle time */
                 speed = adev->dma_mode - XFER_UDMA_0;
                 timing &= ~0x6000;
                 timing |= udma_bits[speed];
         }
+        pci_write_config_word(pdev, drive_pci, timing);
 }
 
 /**
@@ -373,7 +374,7 @@ static void sis_66_set_dmamode (struct ata_port *ap, struct ata_device *adev)
         int drive_pci = sis_old_port_base(adev);
         u16 timing;
 
-        const u16 mwdma_bits[] = { 0x707, 0x202, 0x202 };
+        const u16 mwdma_bits[] = { 0x008, 0x302, 0x301 };
         const u16 udma_bits[]  = { 0xF000, 0xD000, 0xB000, 0xA000, 0x9000};
 
         pci_read_config_word(pdev, drive_pci, &timing);
@@ -432,8 +433,7 @@ static void sis_100_set_dmamode (struct ata_port *ap, struct ata_device *adev)
  *      @adev: Device to program
  *
  *      Set UDMA/MWDMA mode for device, in host controller PCI config space.
- *      Handles early SiS 961 bridges. Supports MWDMA as well unlike
- *      the old ide/pci driver.
+ *      Handles early SiS 961 bridges.
  *
  *      LOCKING:
  *      None (inherited from caller).
@@ -467,8 +467,6 @@ static void sis_133_early_set_dmamode (struct ata_port *ap, struct ata_device *a
  *      @adev: Device to program
  *
  *      Set UDMA/MWDMA mode for device, in host controller PCI config space.
- *      Handles early SiS 961 bridges. Supports MWDMA as well unlike
- *      the old ide/pci driver.
  *
  *      LOCKING:
  *      None (inherited from caller).
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 8e58ea3d95c0..004bc2487270 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -310,7 +310,7 @@ static int pci_default_resume(struct pci_dev *pci_dev)
         /* restore the PCI config space */
         pci_restore_state(pci_dev);
         /* if the device was enabled before suspend, reenable */
-        retval = __pci_reenable_device(pci_dev);
+        retval = pci_reenable_device(pci_dev);
         /* if the device was busmaster before the suspend, make it busmaster again */
         if (pci_dev->is_busmaster)
                 pci_set_master(pci_dev);
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 1ee9cd9c86e2..37c00f6fd801 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -695,14 +695,13 @@ static int do_pci_enable_device(struct pci_dev *dev, int bars)
 }
 
 /**
- * __pci_reenable_device - Resume abandoned device
+ * pci_reenable_device - Resume abandoned device
  * @dev: PCI device to be resumed
  *
  *  Note this function is a backend of pci_default_resume and is not supposed
  *  to be called by normal code, write proper resume handler and use it instead.
  */
-int
-__pci_reenable_device(struct pci_dev *dev)
+int pci_reenable_device(struct pci_dev *dev)
 {
         if (atomic_read(&dev->enable_cnt))
                 return do_pci_enable_device(dev, (1 << PCI_NUM_RESOURCES) - 1);
@@ -1604,7 +1603,7 @@ early_param("pci", pci_setup);
 device_initcall(pci_init);
 
 EXPORT_SYMBOL_GPL(pci_restore_bars);
-EXPORT_SYMBOL(__pci_reenable_device);
+EXPORT_SYMBOL(pci_reenable_device);
 EXPORT_SYMBOL(pci_enable_device_bars);
 EXPORT_SYMBOL(pci_enable_device);
 EXPORT_SYMBOL(pcim_enable_device);
diff --git a/include/asm-avr32/bug.h b/include/asm-avr32/bug.h
index afdcd79a2966..331d45bab18f 100644
--- a/include/asm-avr32/bug.h
+++ b/include/asm-avr32/bug.h
@@ -57,7 +57,7 @@
 
 #define WARN_ON(condition)                                                      \
         ({                                                              \
-                typeof(condition) __ret_warn_on = (condition);          \
+                int __ret_warn_on = !!(condition);                      \
                 if (unlikely(__ret_warn_on))                            \
                         _BUG_OR_WARN(BUGFLAG_WARNING);                  \
                 unlikely(__ret_warn_on);                                \
diff --git a/include/asm-frv/mb86943a.h b/include/asm-frv/mb86943a.h
index b89fd0b56bb3..e87ef924bfb4 100644
--- a/include/asm-frv/mb86943a.h
+++ b/include/asm-frv/mb86943a.h
@@ -36,4 +36,7 @@
 #define __reg_MB86943_pci_sl_io_base    *(volatile uint32_t *) (__region_CS1 + 0x70)
 #define __reg_MB86943_pci_sl_mem_base   *(volatile uint32_t *) (__region_CS1 + 0x78)
 
+#define __reg_MB86943_pci_arbiter       *(volatile uint32_t *) (__region_CS2 + 0x01300014)
+#define MB86943_PCIARB_EN               0x00000001
+
 #endif /* _ASM_MB86943A_H */
diff --git a/include/asm-parisc/bug.h b/include/asm-parisc/bug.h
index 83ba510ed5d8..8cfc553fc837 100644
--- a/include/asm-parisc/bug.h
+++ b/include/asm-parisc/bug.h
@@ -74,7 +74,7 @@
 
 
 #define WARN_ON(x) ({                                           \
-        typeof(x) __ret_warn_on = (x);                          \
+        int __ret_warn_on = !!(x);                              \
         if (__builtin_constant_p(__ret_warn_on)) {              \
                 if (__ret_warn_on)                              \
                         __WARN();                               \
diff --git a/include/asm-s390/bug.h b/include/asm-s390/bug.h
index 838684dc6d35..384e3621e341 100644
--- a/include/asm-s390/bug.h
+++ b/include/asm-s390/bug.h
@@ -50,7 +50,7 @@
 #define BUG()   __EMIT_BUG(0)
 
 #define WARN_ON(x) ({                                   \
-        typeof(x) __ret_warn_on = (x);                  \
+        int __ret_warn_on = !!(x);                      \
         if (__builtin_constant_p(__ret_warn_on)) {      \
                 if (__ret_warn_on)                      \
                         __EMIT_BUG(BUGFLAG_WARNING);    \
diff --git a/include/asm-sh/bug.h b/include/asm-sh/bug.h
index 46f925c815ac..a78d482e8b2f 100644
--- a/include/asm-sh/bug.h
+++ b/include/asm-sh/bug.h
@@ -61,7 +61,7 @@ do {							\
 } while (0)
 
 #define WARN_ON(x) ({                                           \
-        typeof(x) __ret_warn_on = (x);                          \
+        int __ret_warn_on = !!(x);                              \
         if (__builtin_constant_p(__ret_warn_on)) {              \
                 if (__ret_warn_on)                              \
                         __WARN();                               \
diff --git a/include/linux/pci.h b/include/linux/pci.h
index d8f8a3a96644..e7d8d4e19a53 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -534,7 +534,7 @@ static inline int pci_write_config_dword(struct pci_dev *dev, int where, u32 val
 
 int __must_check pci_enable_device(struct pci_dev *dev);
 int __must_check pci_enable_device_bars(struct pci_dev *dev, int mask);
-int __must_check __pci_reenable_device(struct pci_dev *);
+int __must_check pci_reenable_device(struct pci_dev *);
 int __must_check pcim_enable_device(struct pci_dev *pdev);
 void pcim_pin_device(struct pci_dev *pdev);
 
diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c
index 5bfeaed7e487..c38272746887 100644
--- a/kernel/irq/resend.c
+++ b/kernel/irq/resend.c
@@ -62,6 +62,15 @@ void check_irq_resend(struct irq_desc *desc, unsigned int irq)
          */
         desc->chip->enable(irq);
 
+        /*
+         * Temporary hack to figure out more about the problem, which
+         * is causing the ancient network cards to die.
+         */
+        if (desc->handle_irq != handle_edge_irq) {
+                WARN_ON_ONCE(1);
+                return;
+        }
+
         if ((status & (IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) {
                 desc->status = (status & ~IRQ_PENDING) | IRQ_REPLAY;