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Commit Graph

8 Commits

Author SHA1 Message Date
Corey Minyard
e17c657100 ipmi_si: Consolidate scanning the platform bus
The same basic code was in two places.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
2019-02-22 07:12:41 -06:00
Corey Minyard
1a84df2df8 ipmi_si: Remove hardcode IPMI devices by scanning the platform bus
Instead of keeping track of each one, just scan the platform bus
for hardcode devices and remove them.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
2019-02-22 07:12:41 -06:00
Corey Minyard
3cd83bac48 ipmi: Consolidate the adding of platform devices
It was being done in two different places now that hard-coded devices
use platform devices, and it's about to be three with hotmod switching
to platform devices.  So put the code in one place.

This required some rework on some interfaces to make the type space
clean.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
2019-02-22 07:12:41 -06:00
Corey Minyard
f6296bdc49 ipmi_si: Rename addr_type to addr_space to match what it does
Make the naming consistent, and make the values an enum.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
2019-02-22 07:12:41 -06:00
Corey Minyard
41b766d661 ipmi_si: Fix crash when using hard-coded device
When excuting a command like:
  modprobe ipmi_si ports=0xffc0e3 type=bt
The system would get an oops.

The trouble here is that ipmi_si_hardcode_find_bmc() is called before
ipmi_si_platform_init(), but initialization of the hard-coded device
creates an IPMI platform device, which won't be initialized yet.

The real trouble is that hard-coded devices aren't created with
any device, and the fixup is done later.  So do it right, create the
hard-coded devices as normal platform devices.

This required adding some new resource types to the IPMI platform
code for passing information required by the hard-coded device
and adding some code to remove the hard-coded platform devices
on module removal.

To enforce the "hard-coded devices passed by the user take priority
over firmware devices" rule, some special code was added to check
and see if a hard-coded device already exists.

Reported-by: Yang Yingliang <yangyingliang@huawei.com>
Cc: stable@vger.kernel.org # v4.15+
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Yang Yingliang <yangyingliang@huawei.com>
2019-02-22 07:12:41 -06:00
Joe Perches
25880f7d61 ipmi: Use more common logging styles
Add and use #define pr_fmt/dev_fmt, and remove #define PFX

This also prefixes some messages that were not previously prefixed.

Miscellanea:

o Convert printk(KERN_<level> to pr_<level>(
o Use %s, __func__ where appropriate

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
2018-09-18 16:15:33 -05:00
Corey Minyard
243ac21035 ipmi: Add or fix SPDX-License-Identifier in all files
And get rid of the license text that is no longer necessary.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Alistair Popple <alistair@popple.id.au>
Cc: Jeremy Kerr <jk@ozlabs.org>
Cc: Joel Stanley <joel@jms.id.au>
Cc: Rocky Craig <rocky.craig@hp.com>
2018-02-27 07:42:51 -06:00
Corey Minyard
7a4533087c ipmi_si: Move hardcode handling to a separate file.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
2017-09-27 16:03:45 -05:00