Merge tag 'ntb-5.17' of git://github.com/jonmason/ntb

Pull NTB updates from Jon Mason:
 "New AMD PCI ID for NTB, and a number of bug fixes for ntb_hw_switchtec
  for Linux v5.17"

* tag 'ntb-5.17' of git://github.com/jonmason/ntb:
  ntb_hw_switchtec: Fix a minor issue in config_req_id_table()
  ntb_hw_switchtec: Remove code for disabling ID protection
  ntb_hw_switchtec: Update the way of getting VEP instance ID
  ntb_hw_switchtec: AND with the part_map for a valid tpart_vec
  ntb_hw_switchtec: Fix bug with more than 32 partitions
  ntb_hw_switchtec: Fix pff ioread to read into mmio_part_cfg_all
  ntb_hw_switchtec: fix the spelling of "its"
  NTB/msi: Fix ntbm_msi_request_threaded_irq() kernel-doc comment
  ntb_hw_amd: Add NTB PCI ID for new gen CPU

4 files changed, 16 insertions, 17 deletions

diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.c b/drivers/ntb/hw/amd/ntb_hw_amd.c
index 87847c380051..04550b1f984c 100644
--- a/drivers/ntb/hw/amd/ntb_hw_amd.c
+++ b/drivers/ntb/hw/amd/ntb_hw_amd.c
@@ -1321,6 +1321,8 @@ static const struct ntb_dev_data dev_data[] = {
 static const struct pci_device_id amd_ntb_pci_tbl[] = {
 	{ PCI_VDEVICE(AMD, 0x145b), (kernel_ulong_t)&dev_data[0] },
 	{ PCI_VDEVICE(AMD, 0x148b), (kernel_ulong_t)&dev_data[1] },
+	{ PCI_VDEVICE(AMD, 0x14c0), (kernel_ulong_t)&dev_data[1] },
+	{ PCI_VDEVICE(AMD, 0x14c3), (kernel_ulong_t)&dev_data[1] },
 	{ PCI_VDEVICE(HYGON, 0x145b), (kernel_ulong_t)&dev_data[0] },
 	{ 0, }
 };
diff --git a/drivers/ntb/hw/mscc/ntb_hw_switchtec.c b/drivers/ntb/hw/mscc/ntb_hw_switchtec.c
index 4c6eb61a6ac6..88ae18b0efa8 100644
--- a/drivers/ntb/hw/mscc/ntb_hw_switchtec.c
+++ b/drivers/ntb/hw/mscc/ntb_hw_switchtec.c
@@ -297,7 +297,7 @@ static int switchtec_ntb_mw_set_trans(struct ntb_dev *ntb, int pidx, int widx,
 		 * (see CMA_CONFIG_ALIGNMENT)
 		 */
 		dev_err(&sndev->stdev->dev,
-			"ERROR: Memory window address is not aligned to it's size!\n");
+			"ERROR: Memory window address is not aligned to its size!\n");
 		return -EINVAL;
 	}
 
@@ -419,8 +419,10 @@ static void switchtec_ntb_part_link_speed(struct switchtec_ntb *sndev,
 					  enum ntb_width *width)
 {
 	struct switchtec_dev *stdev = sndev->stdev;
+	struct part_cfg_regs __iomem *part_cfg =
+		&stdev->mmio_part_cfg_all[partition];
 
-	u32 pff = ioread32(&stdev->mmio_part_cfg[partition].vep_pff_inst_id);
+	u32 pff = ioread32(&part_cfg->vep_pff_inst_id) & 0xFF;
 	u32 linksta = ioread32(&stdev->mmio_pff_csr[pff].pci_cap_region[13]);
 
 	if (speed)
@@ -840,7 +842,6 @@ static int switchtec_ntb_init_sndev(struct switchtec_ntb *sndev)
 	u64 tpart_vec;
 	int self;
 	u64 part_map;
-	int bit;
 
 	sndev->ntb.pdev = sndev->stdev->pdev;
 	sndev->ntb.topo = NTB_TOPO_SWITCH;
@@ -859,31 +860,31 @@ static int switchtec_ntb_init_sndev(struct switchtec_ntb *sndev)
 	tpart_vec |= ioread32(&sndev->mmio_ntb->ntp_info[self].target_part_low);
 
 	part_map = ioread64(&sndev->mmio_ntb->ep_map);
+	tpart_vec &= part_map;
 	part_map &= ~(1 << sndev->self_partition);
 
-	if (!ffs(tpart_vec)) {
+	if (!tpart_vec) {
 		if (sndev->stdev->partition_count != 2) {
 			dev_err(&sndev->stdev->dev,
 				"ntb target partition not defined\n");
 			return -ENODEV;
 		}
 
-		bit = ffs(part_map);
-		if (!bit) {
+		if (!part_map) {
 			dev_err(&sndev->stdev->dev,
 				"peer partition is not NT partition\n");
 			return -ENODEV;
 		}
 
-		sndev->peer_partition = bit - 1;
+		sndev->peer_partition = __ffs64(part_map);
 	} else {
-		if (ffs(tpart_vec) != fls(tpart_vec)) {
+		if (__ffs64(tpart_vec) != (fls64(tpart_vec) - 1)) {
 			dev_err(&sndev->stdev->dev,
 				"ntb driver only supports 1 pair of 1-1 ntb mapping\n");
 			return -ENODEV;
 		}
 
-		sndev->peer_partition = ffs(tpart_vec) - 1;
+		sndev->peer_partition = __ffs64(tpart_vec);
 		if (!(part_map & (1ULL << sndev->peer_partition))) {
 			dev_err(&sndev->stdev->dev,
 				"ntb target partition is not NT partition\n");
@@ -954,7 +955,7 @@ static int config_req_id_table(struct switchtec_ntb *sndev,
 	u32 error;
 	u32 proxy_id;
 
-	if (ioread32(&mmio_ctrl->req_id_table_size) < count) {
+	if (ioread16(&mmio_ctrl->req_id_table_size) < count) {
 		dev_err(&sndev->stdev->dev,
 			"Not enough requester IDs available.\n");
 		return -EFAULT;
@@ -966,9 +967,6 @@ static int config_req_id_table(struct switchtec_ntb *sndev,
 	if (rc)
 		return rc;
 
-	iowrite32(NTB_PART_CTRL_ID_PROT_DIS,
-		  &mmio_ctrl->partition_ctrl);
-
 	for (i = 0; i < count; i++) {
 		iowrite32(req_ids[i] << 16 | NTB_CTRL_REQ_ID_EN,
 			  &mmio_ctrl->req_id_table[i]);
@@ -1090,7 +1088,7 @@ static int crosslink_enum_partition(struct switchtec_ntb *sndev,
 {
 	struct part_cfg_regs __iomem *part_cfg =
 		&sndev->stdev->mmio_part_cfg_all[sndev->peer_partition];
-	u32 pff = ioread32(&part_cfg->vep_pff_inst_id);
+	u32 pff = ioread32(&part_cfg->vep_pff_inst_id) & 0xFF;
 	struct pff_csr_regs __iomem *mmio_pff =
 		&sndev->stdev->mmio_pff_csr[pff];
 	const u64 bar_space = 0x1000000000LL;
diff --git a/drivers/ntb/msi.c b/drivers/ntb/msi.c
index 2818bfcf4031..dd683cb58d09 100644
--- a/drivers/ntb/msi.c
+++ b/drivers/ntb/msi.c
@@ -262,8 +262,9 @@ static int ntbm_msi_setup_callback(struct ntb_dev *ntb, struct msi_desc *entry,
  * @handler:	Function to be called when the IRQ occurs
  * @thread_fn:  Function to be called in a threaded interrupt context. NULL
  *              for clients which handle everything in @handler
- * @devname:    An ascii name for the claiming device, dev_name(dev) if NULL
+ * @name:    An ascii name for the claiming device, dev_name(dev) if NULL
  * @dev_id:     A cookie passed back to the handler function
+ * @msi_desc:	MSI descriptor data which triggers the interrupt
  *
  * This function assigns an interrupt handler to an unused
  * MSI interrupt and returns the descriptor used to trigger
diff --git a/include/linux/switchtec.h b/include/linux/switchtec.h
index be24056ac00f..48fabe36509e 100644
--- a/include/linux/switchtec.h
+++ b/include/linux/switchtec.h
@@ -337,8 +337,6 @@ enum {
 	NTB_CTRL_REQ_ID_EN = 1 << 0,
 
 	NTB_CTRL_LUT_EN = 1 << 0,
-
-	NTB_PART_CTRL_ID_PROT_DIS = 1 << 0,
 };
 
 struct ntb_ctrl_regs {