Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/k…

…ernel/git/jgarzik/libata-dev

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  pata_it821x: Update RDC UDMA handling
  ata: fix wrong WARN_ON_ONCE

drivers/ata/libata-sff.c

@@ -1013,9 +1013,12 @@ static int __atapi_pio_bytes(struct ata_queued_cmd *qc, unsigned int bytes)
 		qc->cursg_ofs = 0;
 	}
 
-	/* consumed can be larger than count only for the last transfer */
-	WARN_ON_ONCE(qc->cursg && count != consumed);
-
+	/*
+	 * There used to be a  WARN_ON_ONCE(qc->cursg && count != consumed);
+	 * Unfortunately __atapi_pio_bytes doesn't know enough to do the WARN
+	 * check correctly as it doesn't know if it is the last request being
+	 * made. Somebody should implement a proper sanity check.
+	 */
 	if (bytes)
 		goto next_sg;
 	return 0;

drivers/ata/pata_it821x.c

@@ -80,7 +80,7 @@
 
 
 #define DRV_NAME "pata_it821x"
-#define DRV_VERSION "0.4.0"
+#define DRV_VERSION "0.4.2"
 
 struct it821x_dev
 {
@@ -494,8 +494,6 @@ static int it821x_smart_set_mode(struct ata_link *link, struct ata_device **unus
  *	special. In our case we need to lock the sector count to avoid
  *	blowing the brains out of the firmware with large LBA48 requests
  *
- *	FIXME: When FUA appears we need to block FUA too. And SMART and
- *	basically we need to filter commands for this chip.
  */
 
 static void it821x_dev_config(struct ata_device *adev)
@@ -887,6 +885,13 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		.port_ops = &it821x_passthru_port_ops
 	};
 	static const struct ata_port_info info_rdc = {
+		.flags = ATA_FLAG_SLAVE_POSS,
+		.pio_mask = 0x1f,
+		.mwdma_mask = 0x07,
+		.udma_mask = ATA_UDMA6,
+		.port_ops = &it821x_rdc_port_ops
+	};
+	static const struct ata_port_info info_rdc_11 = {
 		.flags = ATA_FLAG_SLAVE_POSS,
 		.pio_mask = 0x1f,
 		.mwdma_mask = 0x07,
@@ -903,7 +908,11 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		return rc;
 
 	if (pdev->vendor == PCI_VENDOR_ID_RDC) {
-		ppi[0] = &info_rdc;
+		/* Deal with Vortex86SX */
+		if (pdev->revision == 0x11)
+			ppi[0] = &info_rdc_11;
+		else
+			ppi[0] = &info_rdc;
 	} else {
 		/* Force the card into bypass mode if so requested */
 		if (it8212_noraid) {