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: (51 commits)
  [libata] bump versions
  [libata] Trim trailing whitespace.
  [libata] sata_mv: Fix 50xx irq mask
  [libata] sata_mv: don't touch reserved bits in EDMA config register
  libata: Use new id_to_dma_mode function to tidy reporting in more drivers (minimally tested)
  pata_pcmcia: Fix oops in 2.6.21-rc1
  Add id_to_dma_mode function for printing DMA modes
  sata_promise: simplify port setup
  sata_promise: fix 20619 new EH merge error
  [libata] ACPI: remove needless ->qc_issue hook existence test
  sata_vsc: refactor vsc_sata_interrupt and hook up error handling
  sata_sil: ignore and clear spurious IRQs while executing commands by polling
  sata_mv: fix pci_enable_msi() error handling
  pata_amd: fix an obvious bug in cable detection
  [libata] ata_piix: remove duplicate PCI IDs
  sata_nv: complain on spurious completion notifiers
  libata: test major version in ata_id_is_sata()
  sata_nv: kill old private BMDMA helper functions
  libata: fix remaining ap->id
  ahci: consider SDB FIS containing spurious NCQ completions HSM violation (regenerated)
  ...

2 files changed, 29 insertions, 6 deletions

diff --git a/include/linux/ata.h b/include/linux/ata.h
index 272736e37990..c331da2da5f7 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -282,7 +282,6 @@ struct ata_taskfile {
 };
 
 #define ata_id_is_ata(id)       (((id)[0] & (1 << 15)) == 0)
-#define ata_id_is_sata(id)      ((id)[93] == 0)
 #define ata_id_rahead_enabled(id) ((id)[85] & (1 << 6))
 #define ata_id_wcache_enabled(id) ((id)[85] & (1 << 5))
 #define ata_id_hpa_enabled(id)  ((id)[85] & (1 << 10))
@@ -324,6 +323,11 @@ static inline unsigned int ata_id_major_version(const u16 *id)
         return mver;
 }
 
+static inline int ata_id_is_sata(const u16 *id)
+{
+        return ata_id_major_version(id) >= 5 && id[93] == 0;
+}
+
 static inline int ata_id_current_chs_valid(const u16 *id)
 {
         /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command
@@ -350,7 +354,7 @@ static inline int ata_id_is_cfa(const u16 *id)
 
 static inline int ata_drive_40wire(const u16 *dev_id)
 {
-        if (ata_id_major_version(dev_id) >= 5 && ata_id_is_sata(dev_id))
+        if (ata_id_is_sata(dev_id))
                 return 0;       /* SATA */
         if ((dev_id[93] & 0xE000) == 0x6000)
                 return 0;       /* 80 wire */
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 86762a9f52ba..045fb3a72d59 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -495,6 +495,7 @@ struct ata_device {
 
         /* error history */
         struct ata_ering        ering;
+        int                     spdn_cnt;
         unsigned int            horkage;        /* List of broken features */
 #ifdef CONFIG_SATA_ACPI
         /* ACPI objects info */
@@ -535,8 +536,8 @@ struct ata_port {
         spinlock_t              *lock;
         unsigned long           flags;  /* ATA_FLAG_xxx */
         unsigned int            pflags; /* ATA_PFLAG_xxx */
-        unsigned int            id;     /* unique id req'd by scsi midlyr */
-        unsigned int            port_no; /* unique port #; from zero */
+        unsigned int            print_id; /* user visible unique port ID */
+        unsigned int            port_no; /* 0 based port no. inside the host */
 
         struct ata_prd          *prd;    /* our SG list */
         dma_addr_t              prd_dma; /* and its DMA mapping */
@@ -759,6 +760,7 @@ extern void ata_port_queue_task(struct ata_port *ap, work_func_t fn,
 extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val,
                              unsigned long interval_msec,
                              unsigned long timeout_msec);
+extern unsigned int ata_dev_try_classify(struct ata_port *, unsigned int, u8 *);
 
 /*
  * Default driver ops implementations
@@ -786,10 +788,12 @@ extern void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf,
 extern void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg,
                  unsigned int n_elem);
 extern unsigned int ata_dev_classify(const struct ata_taskfile *tf);
+extern void ata_dev_disable(struct ata_device *adev);
 extern void ata_id_string(const u16 *id, unsigned char *s,
                           unsigned int ofs, unsigned int len);
 extern void ata_id_c_string(const u16 *id, unsigned char *s,
                             unsigned int ofs, unsigned int len);
+extern void ata_id_to_dma_mode(struct ata_device *dev, u8 unknown);
 extern unsigned long ata_device_blacklisted(const struct ata_device *dev);
 extern void ata_bmdma_setup (struct ata_queued_cmd *qc);
 extern void ata_bmdma_start (struct ata_queued_cmd *qc);
@@ -890,10 +894,10 @@ extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
  * printk helpers
  */
 #define ata_port_printk(ap, lv, fmt, args...) \
-        printk(lv"ata%u: "fmt, (ap)->id , ##args)
+        printk(lv"ata%u: "fmt, (ap)->print_id , ##args)
 
 #define ata_dev_printk(dev, lv, fmt, args...) \
-        printk(lv"ata%u.%02u: "fmt, (dev)->ap->id, (dev)->devno , ##args)
+        printk(lv"ata%u.%02u: "fmt, (dev)->ap->print_id, (dev)->devno , ##args)
 
 /*
  * ata_eh_info helpers
@@ -1031,6 +1035,21 @@ static inline u8 ata_chk_status(struct ata_port *ap)
         return ap->ops->check_status(ap);
 }
 
+/**
+ *      ata_ncq_enabled - Test whether NCQ is enabled
+ *      @dev: ATA device to test for
+ *
+ *      LOCKING:
+ *      spin_lock_irqsave(host lock)
+ *
+ *      RETURNS:
+ *      1 if NCQ is enabled for @dev, 0 otherwise.
+ */
+static inline int ata_ncq_enabled(struct ata_device *dev)
+{
+        return (dev->flags & (ATA_DFLAG_PIO | ATA_DFLAG_NCQ_OFF |
+                              ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ;
+}
 
 /**
  *      ata_pause - Flush writes and pause 400 nanoseconds.