---

yaml
---
r: 86925
b: refs/heads/master
c: a878539
h: refs/heads/master
i:
  86923: 49b5398
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6ddd68615ae9b21096545d7d6ab0f04113ae8b42
+refs/heads/master: a878539ef994787c447a98c2e3ba0fe3dad984ec

trunk/drivers/ata/ahci.c

@@ -186,6 +186,7 @@ enum {
 	AHCI_HFLAG_NO_MSI		= (1 << 5), /* no PCI MSI */
 	AHCI_HFLAG_NO_PMP		= (1 << 6), /* no PMP */
 	AHCI_HFLAG_NO_HOTPLUG		= (1 << 7), /* ignore PxSERR.DIAG.N */
+	AHCI_HFLAG_SECT255		= (1 << 8), /* max 255 sectors */
 
 	/* ap->flags bits */
 
@@ -255,6 +256,7 @@ static void ahci_vt8251_error_handler(struct ata_port *ap);
 static void ahci_p5wdh_error_handler(struct ata_port *ap);
 static void ahci_post_internal_cmd(struct ata_queued_cmd *qc);
 static int ahci_port_resume(struct ata_port *ap);
+static void ahci_dev_config(struct ata_device *dev);
 static unsigned int ahci_fill_sg(struct ata_queued_cmd *qc, void *cmd_tbl);
 static void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
 			       u32 opts);
@@ -294,6 +296,8 @@ static const struct ata_port_operations ahci_ops = {
 	.check_altstatus	= ahci_check_status,
 	.dev_select		= ata_noop_dev_select,
 
+	.dev_config		= ahci_dev_config,
+
 	.tf_read		= ahci_tf_read,
 
 	.qc_defer		= sata_pmp_qc_defer_cmd_switch,
@@ -425,7 +429,7 @@ static const struct ata_port_info ahci_port_info[] = {
 	/* board_ahci_sb600 */
 	{
 		AHCI_HFLAGS	(AHCI_HFLAG_IGN_SERR_INTERNAL |
-				 AHCI_HFLAG_32BIT_ONLY | AHCI_HFLAG_NO_PMP),
+				 AHCI_HFLAG_SECT255 | AHCI_HFLAG_NO_PMP),
 		.flags		= AHCI_FLAG_COMMON,
 		.link_flags	= AHCI_LFLAG_COMMON,
 		.pio_mask	= 0x1f, /* pio0-4 */
@@ -1176,6 +1180,14 @@ static void ahci_init_controller(struct ata_host *host)
 	VPRINTK("HOST_CTL 0x%x\n", tmp);
 }
 
+static void ahci_dev_config(struct ata_device *dev)
+{
+	struct ahci_host_priv *hpriv = dev->link->ap->host->private_data;
+
+	if (hpriv->flags & AHCI_HFLAG_SECT255)
+		dev->max_sectors = 255;
+}
+
 static unsigned int ahci_dev_classify(struct ata_port *ap)
 {
 	void __iomem *port_mmio = ahci_port_base(ap);