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7 Commits

Author SHA1 Message Date
Andy Shevchenko
9b748e0efe platform/x86: intel_scu_ipc: Convert to use SPDX identifier 
Reduce size of duplicated comments by switching to use SPDX identifier.

No functional change.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
 2018-09-27 12:18:19 +03:00
Andy Shevchenko
2d0554e8ba platform/x86: intel_scu_ipc: Sort headers alphabetically 
Sort headers alphabetically for better maintenance.

No functional change.

While here, remove unneeded linux/init.h inclusion.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
 2018-09-27 12:18:19 +03:00
Dan Carpenter
b1d353ad3d intel_scu_ipcutil: underflow in scu_reg_access() 
"count" is controlled by the user and it can be negative.  Let's prevent
that by making it unsigned.  You have to have CAP_SYS_RAWIO to call this
function so the bug is not as serious as it could be.

Fixes: 5369c02d95 ('intel_scu_ipc: Utility driver for intel scu ipc')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@vger.kernel.org
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
 2016-01-30 09:40:35 -08:00
Alan Cox
4707375ff6 x86/mid/scu_ipc: Remove Moorestown support 
All the production devices use the PC compatible version of this
device so don't use the SCU interfaces or the SCU firmware
interfaces.

Delete lots of code and conditional paths

Signed-off-by: Alan Cox <alan@linux.intel.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/n/tip-4bg4fn9na37b350ohhgiy18n@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2012-03-06 09:01:25 +01:00
Kirill A. Shutemov
21893ab24c intel_scu_ipcutil: fix major device number handling 
We need to save major device number to be able to use it for
unregister_chrdev() in ipc_module_exit().

ipc_module_init() must return 0 on success, not major device number.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
 2011-10-24 16:52:39 +02:00
Alan Cox
f5c66d70ac intel_scu_ipcutils: Fix the license tag 
GPL V2 should be GPL v2

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-01-26 08:57:18 +10:00
Sreedhara DS
5369c02d95 intel_scu_ipc: Utility driver for intel scu ipc 
This driver implements ioctl and interfaces with intel scu ipc driver. It
is used to access pmic/msic registers from user space and firmware update
utility.

Signed-off-by: Sreedhara DS <sreedhara.ds@intel.com>
[Extensive clean up and debug]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
 2011-01-07 17:03:40 -05:00