Merge branch 'for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata

Pull libata updates from Tejun Heo:
 - Write same support added
 - Minor ahci MSIX irq handling updates
 - Non-critical SCSI command translation fixes
 - Controller specific changes

* 'for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
  ahci: qoriq: Revert "ahci: qoriq: Disable NCQ on ls2080a SoC"
  libata: remove <asm-generic/libata-portmap.h>
  libata: remove unused definitions from <asm/libata-portmap.h>
  pata_at91: Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
  ata: Replace BUG() with BUG_ON().
  ata: sata_mv: Replacing dma_pool_alloc and memset with a single call dma_pool_zalloc.
  libata: Some drives failing on SCT Write Same
  ahci: use pci_alloc_irq_vectors
  libata: SCT Write Same handle ATA_DFLAG_PIO
  libata: SCT Write Same / DSM Trim
  libata: Add support for SCT Write Same
  libata: Safely overwrite attached page in WRITE SAME xlat
  ahci: also use a per-port lock for the multi-MSIX case
  ARM: dts: STiH407-family: Add ports-implemented property in sata nodes
  ahci: st: Add ports-implemented property in support
  ahci: qoriq: enable snoopable sata read and write
  ahci: qoriq: adjust sata parameter
  libata-scsi: fix MODE SELECT translation for Control mode page
  libata-scsi: use u8 array to store mode page copy

1 files changed, 5 insertions, 19 deletions

diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 70b06bcfb7e3..0cc08f892fea 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -242,12 +242,10 @@ enum {
 	AHCI_HFLAG_NO_FBS		= (1 << 18), /* no FBS */
 
 #ifdef CONFIG_PCI_MSI
-	AHCI_HFLAG_MULTI_MSI		= (1 << 20), /* multiple PCI MSIs */
-	AHCI_HFLAG_MULTI_MSIX		= (1 << 21), /* per-port MSI-X */
+	AHCI_HFLAG_MULTI_MSI		= (1 << 20), /* per-port MSI(-X) */
 #else
 	/* compile out MSI infrastructure */
 	AHCI_HFLAG_MULTI_MSI		= 0,
-	AHCI_HFLAG_MULTI_MSIX		= 0,
 #endif
 	AHCI_HFLAG_WAKE_BEFORE_STOP	= (1 << 22), /* wake before DMA stop */
 
@@ -351,7 +349,6 @@ struct ahci_host_priv {
 	 * the PHY position in this array.
 	 */
 	struct phy		**phys;
-	struct msix_entry	*msix;		/* Optional MSI-X support */
 	unsigned		nports;		/* Number of ports */
 	void			*plat_data;	/* Other platform data */
 	unsigned int		irq;		/* interrupt line */
@@ -362,22 +359,11 @@ struct ahci_host_priv {
 	 */
 	void			(*start_engine)(struct ata_port *ap);
 	irqreturn_t 		(*irq_handler)(int irq, void *dev_instance);
-};
 
-#ifdef CONFIG_PCI_MSI
-static inline int ahci_irq_vector(struct ahci_host_priv *hpriv, int port)
-{
-	if (hpriv->flags & AHCI_HFLAG_MULTI_MSIX)
-		return hpriv->msix[port].vector;
-	else
-		return hpriv->irq + port;
-}
-#else
-static inline int ahci_irq_vector(struct ahci_host_priv *hpriv, int port)
-{
-	return hpriv->irq;
-}
-#endif
+	/* only required for per-port MSI(-X) support */
+	int			(*get_irq_vector)(struct ata_host *host,
+						  int port);
+};
 
 extern int ahci_ignore_sss;