From: Roland Dreier <roland@topspin.com>
To: akmp@osdl.org
Cc: linux-kernel@vger.kernel.org, openib-general@openib.org
Subject: [PATCH] Use LANANA-assigned major in ib_umad
Date: Thu, 27 Jan 2005 08:30:44 -0800 [thread overview]
Message-ID: <52r7k6yguj.fsf@topspin.com> (raw)
Update the ib_umad module to use major 231 instead of a dynamic major,
as assigned in the LANANA Linux 2.6+ Device List
(http://lanana.org/docs/device-list/devices-2.6+.txt).
Signed-off-by: Roland Dreier <roland@topspin.com>
--- linux-bk.orig/drivers/infiniband/core/user_mad.c 2005-01-23 21:51:46.000000000 -0800
+++ linux-bk/drivers/infiniband/core/user_mad.c 2005-01-27 08:27:35.157195600 -0800
@@ -56,7 +56,10 @@
enum {
IB_UMAD_MAX_PORTS = 64,
- IB_UMAD_MAX_AGENTS = 32
+ IB_UMAD_MAX_AGENTS = 32,
+
+ IB_UMAD_MAJOR = 231,
+ IB_UMAD_MINOR_BASE = 0
};
struct ib_umad_port {
@@ -97,7 +100,7 @@
DECLARE_PCI_UNMAP_ADDR(mapping)
};
-static dev_t base_dev;
+static const dev_t base_dev = MKDEV(IB_UMAD_MAJOR, IB_UMAD_MINOR_BASE);
static spinlock_t map_lock;
static DECLARE_BITMAP(dev_map, IB_UMAD_MAX_PORTS * 2);
@@ -789,10 +792,10 @@
spin_lock_init(&map_lock);
- ret = alloc_chrdev_region(&base_dev, 0, IB_UMAD_MAX_PORTS * 2,
- "infiniband_mad");
+ ret = register_chrdev_region(base_dev, IB_UMAD_MAX_PORTS * 2,
+ "infiniband_mad");
if (ret) {
- printk(KERN_ERR "user_mad: couldn't get device number\n");
+ printk(KERN_ERR "user_mad: couldn't register device number\n");
goto out;
}
reply other threads:[~2005-01-27 16:31 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=52r7k6yguj.fsf@topspin.com \
--to=roland@topspin.com \
--cc=akmp@osdl.org \
--cc=linux-kernel@vger.kernel.org \
--cc=openib-general@openib.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox