Since new api passes dev_t*, hoist inline MKDEV out to local var
assignment, and replace other inline MKDEVs with new var.

This patch brought to you by coccinelle/spatch,
with some manual rework afterwards.

cc: Hal Rosenstock <hal.rosenst...@gmail.com>
cc: Roland Dreier <rol...@kernel.org>
cc: Sean Hefty <sean.he...@intel.com>
cc: linux-rdma@vger.kernel.org

@ rcr_md @
identifier f;
expression major, minor;
expression ct, name;
@@

        f(...) {
// ++ gives multiple inserts, needed for tty_io.c, fix up manually
// fresh identifier apparently also helps here
++      dev_t devt;
++      devt = MKDEV(major,minor);

<+...
-       register_chrdev_region
+       register_chrdev_ids
        (
-       MKDEV(major,minor),
+       &devt,
        ct, name)
...+>

}

@ all_md depends on rcr_md @    // where above changes made, also do
identifier f;
expression major, minor;
@@

        f(...) {
        dev_t devt;
        devt = MKDEV(major,minor);

<+...
-       MKDEV(major,minor)
+       devt
...+>
        }

Signed-off-by: Jim Cromie <jim.cro...@gmail.com>
---
 drivers/infiniband/core/ucm.c                |    2 +-
 drivers/infiniband/core/user_mad.c           |    7 ++++---
 drivers/infiniband/core/uverbs_main.c        |    3 ++-
 drivers/infiniband/hw/ipath/ipath_file_ops.c |    2 +-
 drivers/infiniband/hw/qib/qib_file_ops.c     |    2 +-
 5 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index 08f948d..472a7b2 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -1244,7 +1244,7 @@ static int find_overflow_devnum(void)
        int ret;
 
        if (!overflow_maj) {
-               ret = alloc_chrdev_region(&overflow_maj, 0, IB_UCM_MAX_DEVICES,
+               ret = register_chrdev_ids(&overflow_maj, IB_UCM_MAX_DEVICES,
                                          "infiniband_cm");
                if (ret) {
                        printk(KERN_ERR "ucm: couldn't register dynamic device 
number\n");
diff --git a/drivers/infiniband/core/user_mad.c 
b/drivers/infiniband/core/user_mad.c
index cd1996d..7352683 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -980,7 +980,8 @@ static int find_overflow_devnum(void)
        int ret;
 
        if (!overflow_maj) {
-               ret = alloc_chrdev_region(&overflow_maj, 0, IB_UMAD_MAX_PORTS * 
2,
+               ret = register_chrdev_ids(&overflow_maj,
+                                         IB_UMAD_MAX_PORTS * 2,
                                          "infiniband_mad");
                if (ret) {
                        printk(KERN_ERR "user_mad: couldn't register dynamic 
device number\n");
@@ -1180,8 +1181,8 @@ static int __init ib_umad_init(void)
 {
        int ret;
 
-       ret = register_chrdev_region(base_dev, IB_UMAD_MAX_PORTS * 2,
-                                    "infiniband_mad");
+       ret = register_chrdev_ids(&base_dev, IB_UMAD_MAX_PORTS * 2,
+                                 "infiniband_mad");
        if (ret) {
                printk(KERN_ERR "user_mad: couldn't register device number\n");
                goto out;
diff --git a/drivers/infiniband/core/uverbs_main.c 
b/drivers/infiniband/core/uverbs_main.c
index ec83e9f..2f92115 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -711,7 +711,8 @@ static int find_overflow_devnum(void)
        int ret;
 
        if (!overflow_maj) {
-               ret = alloc_chrdev_region(&overflow_maj, 0, 
IB_UVERBS_MAX_DEVICES,
+               ret = register_chrdev_ids(&overflow_maj,
+                                         IB_UVERBS_MAX_DEVICES,
                                          "infiniband_verbs");
                if (ret) {
                        printk(KERN_ERR "user_verbs: couldn't register dynamic 
device number\n");
diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c 
b/drivers/infiniband/hw/ipath/ipath_file_ops.c
index ee79a2d..04abb61 100644
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c
@@ -2519,7 +2519,7 @@ static int user_init(void)
 {
        int ret;
 
-       ret = register_chrdev_region(dev, IPATH_NMINORS, IPATH_DRV_NAME);
+       ret = register_chrdev_ids(&dev, IPATH_NMINORS, IPATH_DRV_NAME);
        if (ret < 0) {
                printk(KERN_ERR IPATH_DRV_NAME ": Could not register "
                       "chrdev region (err %d)\n", -ret);
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c 
b/drivers/infiniband/hw/qib/qib_file_ops.c
index 406fca5..a5ecea2 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -2238,7 +2238,7 @@ int __init qib_dev_init(void)
 {
        int ret;
 
-       ret = alloc_chrdev_region(&qib_dev, 0, QIB_NMINORS, QIB_DRV_NAME);
+       ret = register_chrdev_ids(&qib_dev, QIB_NMINORS, QIB_DRV_NAME);
        if (ret < 0) {
                printk(KERN_ERR QIB_DRV_NAME ": Could not allocate "
                       "chrdev region (err %d)\n", -ret);
-- 
1.7.4.4

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