1 files changed, 30 insertions, 3 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 5b247b8a6b3b..225bfc5bd9ec 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -60,9 +60,9 @@
 
 /* note: prints function name for you */
 #ifdef ATA_DEBUG
-#define DPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args)
+#define DPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args)
 #ifdef ATA_VERBOSE_DEBUG
-#define VPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args)
+#define VPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args)
 #else
 #define VPRINTK(fmt, args...)
 #endif  /* ATA_VERBOSE_DEBUG */
@@ -71,7 +71,7 @@
 #define VPRINTK(fmt, args...)
 #endif  /* ATA_DEBUG */
 
-#define BPRINTK(fmt, args...) if (ap->flags & ATA_FLAG_DEBUGMSG) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args)
+#define BPRINTK(fmt, args...) if (ap->flags & ATA_FLAG_DEBUGMSG) printk(KERN_ERR "%s: " fmt, __func__, ## args)
 
 /* NEW: debug levels */
 #define HAVE_LIBATA_MSG 1
@@ -163,6 +163,7 @@ enum {
         ATA_DEV_NONE            = 9,    /* no device */
 
         /* struct ata_link flags */
+        ATA_LFLAG_NO_HRST       = (1 << 1), /* avoid hardreset */
         ATA_LFLAG_NO_SRST       = (1 << 2), /* avoid softreset */
         ATA_LFLAG_ASSUME_ATA    = (1 << 3), /* assume ATA class */
         ATA_LFLAG_ASSUME_SEMB   = (1 << 4), /* assume SEMB class */
@@ -646,6 +647,7 @@ struct ata_link {
 
         unsigned int            flags;          /* ATA_LFLAG_xxx */
 
+        u32                     saved_scontrol; /* SControl on probe */
         unsigned int            hw_sata_spd_limit;
         unsigned int            sata_spd_limit;
         unsigned int            sata_spd;       /* current SATA PHY speed */
@@ -750,6 +752,7 @@ struct ata_port_operations {
         void (*set_piomode)(struct ata_port *ap, struct ata_device *dev);
         void (*set_dmamode)(struct ata_port *ap, struct ata_device *dev);
         int  (*set_mode)(struct ata_link *link, struct ata_device **r_failed_dev);
+        unsigned int (*read_id)(struct ata_device *dev, struct ata_taskfile *tf, u16 *id);
 
         void (*dev_config)(struct ata_device *dev);
 
@@ -951,6 +954,8 @@ 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 unsigned int ata_do_dev_read_id(struct ata_device *dev,
+                                        struct ata_taskfile *tf, u16 *id);
 extern void ata_qc_complete(struct ata_queued_cmd *qc);
 extern int ata_qc_complete_multiple(struct ata_port *ap, u32 qc_active);
 extern void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd,
@@ -1424,6 +1429,28 @@ static inline unsigned long ata_deadline(unsigned long from_jiffies,
         return from_jiffies + msecs_to_jiffies(timeout_msecs);
 }
 
+/* Don't open code these in drivers as there are traps. Firstly the range may
+   change in future hardware and specs, secondly 0xFF means 'no DMA' but is
+   > UDMA_0. Dyma ddreigiau */
+
+static inline int ata_using_mwdma(struct ata_device *adev)
+{
+        if (adev->dma_mode >= XFER_MW_DMA_0 && adev->dma_mode <= XFER_MW_DMA_4)
+                return 1;
+        return 0;
+}
+
+static inline int ata_using_udma(struct ata_device *adev)
+{
+        if (adev->dma_mode >= XFER_UDMA_0 && adev->dma_mode <= XFER_UDMA_7)
+                return 1;
+        return 0;
+}
+
+static inline int ata_dma_enabled(struct ata_device *adev)
+{
+        return (adev->dma_mode == 0xFF ? 0 : 1);
+}
 
 /**************************************************************************
  * PMP - drivers/ata/libata-pmp.c