14 files changed, 29 insertions, 142 deletions

diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
index ee211423058a..88497739029e 100644
--- a/drivers/infiniband/hw/qib/qib.h
+++ b/drivers/infiniband/hw/qib/qib.h
@@ -630,7 +630,7 @@ struct qib_pportdata {
 	u8 rx_pol_inv;
 
 	u8 hw_pidx;     /* physical port index */
-	u8 port;        /* IB port number and index into dd->pports - 1 */
+	u32 port;        /* IB port number and index into dd->pports - 1 */
 
 	u8 delay_mult;
 
@@ -1200,10 +1200,10 @@ static inline struct qib_pportdata *ppd_from_ibp(struct qib_ibport *ibp)
 	return container_of(ibp, struct qib_pportdata, ibport_data);
 }
 
-static inline struct qib_ibport *to_iport(struct ib_device *ibdev, u8 port)
+static inline struct qib_ibport *to_iport(struct ib_device *ibdev, u32 port)
 {
 	struct qib_devdata *dd = dd_from_ibdev(ibdev);
-	unsigned pidx = port - 1; /* IB number port from 1, hdw from 0 */
+	u32 pidx = port - 1; /* IB number port from 1, hdw from 0 */
 
 	WARN_ON(pidx >= dd->num_pports);
 	return &dd->pport[pidx].ibport_data;
@@ -1303,11 +1303,6 @@ int qib_sdma_verbs_send(struct qib_pportdata *, struct rvt_sge_state *,
 /* ppd->sdma_lock should be locked before calling this. */
 int qib_sdma_make_progress(struct qib_pportdata *dd);
 
-static inline int qib_sdma_empty(const struct qib_pportdata *ppd)
-{
-	return ppd->sdma_descq_added == ppd->sdma_descq_removed;
-}
-
 /* must be called under qib_sdma_lock */
 static inline u16 qib_sdma_descq_freecnt(const struct qib_pportdata *ppd)
 {
@@ -1364,27 +1359,6 @@ static inline u32 qib_get_rcvhdrtail(const struct qib_ctxtdata *rcd)
 		*((volatile __le64 *)rcd->rcvhdrtail_kvaddr)); /* DMA'ed */
 }
 
-static inline u32 qib_get_hdrqtail(const struct qib_ctxtdata *rcd)
-{
-	const struct qib_devdata *dd = rcd->dd;
-	u32 hdrqtail;
-
-	if (dd->flags & QIB_NODMA_RTAIL) {
-		__le32 *rhf_addr;
-		u32 seq;
-
-		rhf_addr = (__le32 *) rcd->rcvhdrq +
-			rcd->head + dd->rhf_offset;
-		seq = qib_hdrget_seq(rhf_addr);
-		hdrqtail = rcd->head;
-		if (seq == rcd->seq_cnt)
-			hdrqtail++;
-	} else
-		hdrqtail = qib_get_rcvhdrtail(rcd);
-
-	return hdrqtail;
-}
-
 /*
  * sysfs interface.
  */
@@ -1395,7 +1369,7 @@ extern const struct attribute_group qib_attr_group;
 int qib_device_create(struct qib_devdata *);
 void qib_device_remove(struct qib_devdata *);
 
-int qib_create_port_files(struct ib_device *ibdev, u8 port_num,
+int qib_create_port_files(struct ib_device *ibdev, u32 port_num,
 			  struct kobject *kobj);
 void qib_verbs_unregister_sysfs(struct qib_devdata *);
 /* Hook for sysfs read of QSFP */
diff --git a/drivers/infiniband/hw/qib/qib_common.h b/drivers/infiniband/hw/qib/qib_common.h
index f91f23e02283..cf652831d8e7 100644
--- a/drivers/infiniband/hw/qib/qib_common.h
+++ b/drivers/infiniband/hw/qib/qib_common.h
@@ -795,11 +795,4 @@ static inline __u32 qib_hdrget_use_egr_buf(const __le32 *rbuf)
 {
 	return __le32_to_cpu(rbuf[0]) & QLOGIC_IB_RHF_L_USE_EGR;
 }
-
-static inline __u32 qib_hdrget_qib_ver(__le32 hdrword)
-{
-	return (__le32_to_cpu(hdrword) >> QLOGIC_IB_I_VERS_SHIFT) &
-		QLOGIC_IB_I_VERS_MASK;
-}
-
 #endif                          /* _QIB_COMMON_H */
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index ff87a67dd7b7..c60e79d214a1 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -1758,7 +1758,8 @@ bail:
 }
 
 /**
- * unlock_exptid - unlock any expected TID entries context still had in use
+ * unlock_expected_tids - unlock any expected TID entries context still had
+ * in use
  * @rcd: ctxt
  *
  * We don't actually update the chip here, because we do a bulk update
@@ -2247,7 +2248,7 @@ static ssize_t qib_write_iter(struct kiocb *iocb, struct iov_iter *from)
 
 	if (!iter_is_iovec(from) || !from->nr_segs || !pq)
 		return -EINVAL;
-			 
+
 	return qib_user_sdma_writev(rcd, pq, from->iov, from->nr_segs);
 }
 
diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c
index e336d778e076..a0c5f3bdc324 100644
--- a/drivers/infiniband/hw/qib/qib_fs.c
+++ b/drivers/infiniband/hw/qib/qib_fs.c
@@ -427,79 +427,21 @@ bail:
 	return ret;
 }
 
-static int remove_file(struct dentry *parent, char *name)
-{
-	struct dentry *tmp;
-	int ret;
-
-	tmp = lookup_one_len(name, parent, strlen(name));
-
-	if (IS_ERR(tmp)) {
-		ret = PTR_ERR(tmp);
-		goto bail;
-	}
-
-	spin_lock(&tmp->d_lock);
-	if (simple_positive(tmp)) {
-		__d_drop(tmp);
-		spin_unlock(&tmp->d_lock);
-		simple_unlink(d_inode(parent), tmp);
-	} else {
-		spin_unlock(&tmp->d_lock);
-	}
-	dput(tmp);
-
-	ret = 0;
-bail:
-	/*
-	 * We don't expect clients to care about the return value, but
-	 * it's there if they need it.
-	 */
-	return ret;
-}
-
 static int remove_device_files(struct super_block *sb,
 			       struct qib_devdata *dd)
 {
-	struct dentry *dir, *root;
+	struct dentry *dir;
 	char unit[10];
-	int ret, i;
 
-	root = dget(sb->s_root);
-	inode_lock(d_inode(root));
 	snprintf(unit, sizeof(unit), "%u", dd->unit);
-	dir = lookup_one_len(unit, root, strlen(unit));
+	dir = lookup_one_len_unlocked(unit, sb->s_root, strlen(unit));
 
 	if (IS_ERR(dir)) {
-		ret = PTR_ERR(dir);
 		pr_err("Lookup of %s failed\n", unit);
-		goto bail;
+		return PTR_ERR(dir);
 	}
-
-	inode_lock(d_inode(dir));
-	remove_file(dir, "counters");
-	remove_file(dir, "counter_names");
-	remove_file(dir, "portcounter_names");
-	for (i = 0; i < dd->num_pports; i++) {
-		char fname[24];
-
-		sprintf(fname, "port%dcounters", i + 1);
-		remove_file(dir, fname);
-		if (dd->flags & QIB_HAS_QSFP) {
-			sprintf(fname, "qsfp%d", i + 1);
-			remove_file(dir, fname);
-		}
-	}
-	remove_file(dir, "flash");
-	inode_unlock(d_inode(dir));
-	ret = simple_rmdir(d_inode(root), dir);
-	d_drop(dir);
-	dput(dir);
-
-bail:
-	inode_unlock(d_inode(root));
-	dput(root);
-	return ret;
+	simple_recursive_removal(dir, NULL);
+	return 0;
 }
 
 /*
diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c
index b35e1174be22..a9b83bc13f4a 100644
--- a/drivers/infiniband/hw/qib/qib_iba6120.c
+++ b/drivers/infiniband/hw/qib/qib_iba6120.c
@@ -2609,7 +2609,7 @@ static void qib_chk_6120_errormask(struct qib_devdata *dd)
 }
 
 /**
- * qib_get_faststats - get word counters from chip before they overflow
+ * qib_get_6120_faststats - get word counters from chip before they overflow
  * @t: contains a pointer to the qlogic_ib device qib_devdata
  *
  * This needs more work; in particular, decision on whether we really
diff --git a/drivers/infiniband/hw/qib/qib_iba7220.c b/drivers/infiniband/hw/qib/qib_iba7220.c
index 229dcd6ead95..d1c0bc31869f 100644
--- a/drivers/infiniband/hw/qib/qib_iba7220.c
+++ b/drivers/infiniband/hw/qib/qib_iba7220.c
@@ -2236,7 +2236,7 @@ static void qib_7220_tidtemplate(struct qib_devdata *dd)
 }
 
 /**
- * qib_init_7220_get_base_info - set chip-specific flags for user code
+ * qib_7220_get_base_info - set chip-specific flags for user code
  * @rcd: the qlogic_ib ctxt
  * @kinfo: qib_base_info pointer
  *
@@ -4411,7 +4411,7 @@ static void writescratch(struct qib_devdata *dd, u32 val)
 
 #define VALID_TS_RD_REG_MASK 0xBF
 /**
- * qib_7220_tempsense_read - read register of temp sensor via TWSI
+ * qib_7220_tempsense_rd - read register of temp sensor via TWSI
  * @dd: the qlogic_ib device
  * @regnum: register to read from
  *
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 9fe6ea75b45e..ab98b6a3ae1e 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -791,28 +791,6 @@ static inline u32 qib_read_ureg32(const struct qib_devdata *dd,
 }
 
 /**
- * qib_read_ureg - read virtualized per-context register
- * @dd: device
- * @regno: register number
- * @ctxt: context number
- *
- * Return the contents of a register that is virtualized to be per context.
- * Returns -1 on errors (not distinguishable from valid contents at
- * runtime; we may add a separate error variable at some point).
- */
-static inline u64 qib_read_ureg(const struct qib_devdata *dd,
-				enum qib_ureg regno, int ctxt)
-{
-
-	if (!dd->kregbase || !(dd->flags & QIB_PRESENT))
-		return 0;
-	return readq(regno + (u64 __iomem *)(
-		(dd->ureg_align * ctxt) + (dd->userbase ?
-		 (char __iomem *)dd->userbase :
-		 (char __iomem *)dd->kregbase + dd->uregbase)));
-}
-
-/**
  * qib_write_ureg - write virtualized per-context register
  * @dd: device
  * @regno: register number
@@ -2513,7 +2491,7 @@ static int qib_7322_bringup_serdes(struct qib_pportdata *ppd)
 }
 
 /**
- * qib_7322_quiet_serdes - set serdes to txidle
+ * qib_7322_mini_quiet_serdes - set serdes to txidle
  * @ppd: the qlogic_ib device
  * Called when driver is being unloaded
  */
@@ -3859,7 +3837,7 @@ static void qib_7322_tidtemplate(struct qib_devdata *dd)
 }
 
 /**
- * qib_init_7322_get_base_info - set chip-specific flags for user code
+ * qib_7322_get_base_info - set chip-specific flags for user code
  * @rcd: the qlogic_ib ctxt
  * @kinfo: qib_base_info pointer
  *
diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c
index 43c8ee1f46e0..b5a78576c48b 100644
--- a/drivers/infiniband/hw/qib/qib_init.c
+++ b/drivers/infiniband/hw/qib/qib_init.c
@@ -1609,7 +1609,7 @@ bail:
 }
 
 /**
- * allocate eager buffers, both kernel and user contexts.
+ * qib_setup_eagerbufs - allocate eager buffers, both kernel and user contexts.
  * @rcd: the context we are setting up.
  *
  * Allocate the eager TID buffers and program them into hip.
diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c
index 44e2f813024a..ef02f2bfddb2 100644
--- a/drivers/infiniband/hw/qib/qib_mad.c
+++ b/drivers/infiniband/hw/qib/qib_mad.c
@@ -203,7 +203,7 @@ static void qib_bad_mkey(struct qib_ibport *ibp, struct ib_smp *smp)
 /*
  * Send a Port Capability Mask Changed trap (ch. 14.3.11).
  */
-void qib_cap_mask_chg(struct rvt_dev_info *rdi, u8 port_num)
+void qib_cap_mask_chg(struct rvt_dev_info *rdi, u32 port_num)
 {
 	struct qib_ibdev *ibdev = container_of(rdi, struct qib_ibdev, rdi);
 	struct qib_devdata *dd = dd_from_dev(ibdev);
@@ -2360,7 +2360,7 @@ static int process_cc(struct ib_device *ibdev, int mad_flags,
  *
  * This is called by the ib_mad module.
  */
-int qib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port,
+int qib_process_mad(struct ib_device *ibdev, int mad_flags, u32 port,
 		    const struct ib_wc *in_wc, const struct ib_grh *in_grh,
 		    const struct ib_mad *in, struct ib_mad *out,
 		    size_t *out_mad_size, u16 *out_mad_pkey_index)
diff --git a/drivers/infiniband/hw/qib/qib_qp.c b/drivers/infiniband/hw/qib/qib_qp.c
index ca39a029e4af..1974ceb9d405 100644
--- a/drivers/infiniband/hw/qib/qib_qp.c
+++ b/drivers/infiniband/hw/qib/qib_qp.c
@@ -125,7 +125,7 @@ static void get_map_page(struct rvt_qpn_table *qpt, struct rvt_qpn_map *map)
  * zero/one for QP type IB_QPT_SMI/IB_QPT_GSI.
  */
 int qib_alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt,
-		  enum ib_qp_type type, u8 port)
+		  enum ib_qp_type type, u32 port)
 {
 	u32 i, offset, max_scan, qpn;
 	struct rvt_qpn_map *map;
@@ -136,7 +136,7 @@ int qib_alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt,
 	u16 qpt_mask = dd->qpn_mask;
 
 	if (type == IB_QPT_SMI || type == IB_QPT_GSI) {
-		unsigned n;
+		u32 n;
 
 		ret = type == IB_QPT_GSI;
 		n = 1 << (ret + 2 * (port - 1));
diff --git a/drivers/infiniband/hw/qib/qib_sd7220.c b/drivers/infiniband/hw/qib/qib_sd7220.c
index 4f4a09c2dbcd..81b810d006c0 100644
--- a/drivers/infiniband/hw/qib/qib_sd7220.c
+++ b/drivers/infiniband/hw/qib/qib_sd7220.c
@@ -687,7 +687,6 @@ static int qib_sd7220_reg_mod(struct qib_devdata *dd, int sdnum, u32 loc,
 		spin_unlock_irqrestore(&dd->cspec->sdepb_lock, flags);
 		return -1;
 	}
-	ret = 0;
 	for (tries = EPB_TRANS_TRIES; tries; --tries) {
 		transval = qib_read_kreg32(dd, trans);
 		if (transval & EPB_TRANS_RDY)
diff --git a/drivers/infiniband/hw/qib/qib_sysfs.c b/drivers/infiniband/hw/qib/qib_sysfs.c
index 62c179fc764b..5e9e66f27064 100644
--- a/drivers/infiniband/hw/qib/qib_sysfs.c
+++ b/drivers/infiniband/hw/qib/qib_sysfs.c
@@ -728,7 +728,7 @@ const struct attribute_group qib_attr_group = {
 	.attrs = qib_attributes,
 };
 
-int qib_create_port_files(struct ib_device *ibdev, u8 port_num,
+int qib_create_port_files(struct ib_device *ibdev, u32 port_num,
 			  struct kobject *kobj)
 {
 	struct qib_pportdata *ppd;
diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c
index 8e0de265ad57..d17d034ecdfd 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.c
+++ b/drivers/infiniband/hw/qib/qib_verbs.c
@@ -1188,7 +1188,7 @@ full:
 	}
 }
 
-static int qib_query_port(struct rvt_dev_info *rdi, u8 port_num,
+static int qib_query_port(struct rvt_dev_info *rdi, u32 port_num,
 			  struct ib_port_attr *props)
 {
 	struct qib_ibdev *ibdev = container_of(rdi, struct qib_ibdev, rdi);
@@ -1273,7 +1273,7 @@ bail:
 	return ret;
 }
 
-static int qib_shut_down_port(struct rvt_dev_info *rdi, u8 port_num)
+static int qib_shut_down_port(struct rvt_dev_info *rdi, u32 port_num)
 {
 	struct qib_ibdev *ibdev = container_of(rdi, struct qib_ibdev, rdi);
 	struct qib_devdata *dd = dd_from_dev(ibdev);
@@ -1342,7 +1342,7 @@ struct ib_ah *qib_create_qp0_ah(struct qib_ibport *ibp, u16 dlid)
 	struct rvt_qp *qp0;
 	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
 	struct qib_devdata *dd = dd_from_ppd(ppd);
-	u8 port_num = ppd->port;
+	u32 port_num = ppd->port;
 
 	memset(&attr, 0, sizeof(attr));
 	attr.type = rdma_ah_find_type(&dd->verbs_dev.rdi.ibdev, port_num);
diff --git a/drivers/infiniband/hw/qib/qib_verbs.h b/drivers/infiniband/hw/qib/qib_verbs.h
index dc0e81f3b6f4..07548fac1d8e 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.h
+++ b/drivers/infiniband/hw/qib/qib_verbs.h
@@ -239,10 +239,10 @@ static inline int qib_pkey_ok(u16 pkey1, u16 pkey2)
 
 void qib_bad_pkey(struct qib_ibport *ibp, u32 key, u32 sl,
 		  u32 qp1, u32 qp2, __be16 lid1, __be16 lid2);
-void qib_cap_mask_chg(struct rvt_dev_info *rdi, u8 port_num);
+void qib_cap_mask_chg(struct rvt_dev_info *rdi, u32 port_num);
 void qib_sys_guid_chg(struct qib_ibport *ibp);
 void qib_node_desc_chg(struct qib_ibport *ibp);
-int qib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
+int qib_process_mad(struct ib_device *ibdev, int mad_flags, u32 port_num,
 		    const struct ib_wc *in_wc, const struct ib_grh *in_grh,
 		    const struct ib_mad *in, struct ib_mad *out,
 		    size_t *out_mad_size, u16 *out_mad_pkey_index);
@@ -273,7 +273,7 @@ void *qib_qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp);
 void qib_qp_priv_free(struct rvt_dev_info *rdi, struct rvt_qp *qp);
 void qib_notify_qp_reset(struct rvt_qp *qp);
 int qib_alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt,
-		  enum ib_qp_type type, u8 port);
+		  enum ib_qp_type type, u32 port);
 void qib_restart_rc(struct rvt_qp *qp, u32 psn, int wait);
 #ifdef CONFIG_DEBUG_FS