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Stafford Horne 55faab828d openrisc: io: Define iounmap argument as volatile 
[ Upstream commit 52e0ea9002 ]

When OpenRISC enables PCI it allows for more drivers to be compiled
resulting in exposing the following with -Werror.

    drivers/video/fbdev/riva/fbdev.c: In function 'rivafb_probe':
    drivers/video/fbdev/riva/fbdev.c:2062:42: error:
	    passing argument 1 of 'iounmap' discards 'volatile' qualifier from pointer target type

    drivers/video/fbdev/nvidia/nvidia.c: In function 'nvidiafb_probe':
    drivers/video/fbdev/nvidia/nvidia.c:1414:20: error:
	    passing argument 1 of 'iounmap' discards 'volatile' qualifier from pointer target type

    drivers/scsi/aic7xxx/aic7xxx_osm.c: In function 'ahc_platform_free':
    drivers/scsi/aic7xxx/aic7xxx_osm.c:1231:41: error:
	    passing argument 1 of 'iounmap' discards 'volatile' qualifier from pointer target type

Most architectures define the iounmap argument to be volatile.  To fix this
issue we do the same for OpenRISC.  This patch must go before PCI is enabled on
OpenRISC to avoid any compile failures.

Link: https://lore.kernel.org/lkml/20220729033728.GA2195022@roeck-us.net/
Reported-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2022-08-25 11:45:46 +02:00
arch openrisc: io: Define iounmap argument as volatile 2022-08-25 11:45:46 +02:00
block blk-mq: run queue no matter whether the request is the last request 2022-08-25 11:45:36 +02:00
certs certs: make system keyring depend on x509 parser 2022-07-24 12:53:55 -07:00
crypto KEYS: asymmetric: enforce SM2 signature use pkey algo 2022-08-17 15:16:17 +02:00
Documentation dt-bindings: display: sun4i: Add D1 TCONs to conditionals 2022-08-25 11:45:36 +02:00
drivers Revert "RDMA/rxe: Create duplicate mapping tables for FMRs" 2022-08-25 11:45:46 +02:00
fs fs/ntfs3: uninitialized variable in ntfs_set_acl_ex() 2022-08-25 11:45:30 +02:00
include uacce: Handle parent device removal or parent driver module rmmod 2022-08-25 11:45:42 +02:00
init stack: Declare {randomize_,}kstack_offset to fix Sparse warnings 2022-08-17 15:14:14 +02:00
io_uring io_uring: mem-account pbuf buckets 2022-08-17 15:16:21 +02:00
ipc ipc: Free mq_sysctls if ipc namespace creation failed 2022-06-22 17:47:41 -05:00
kernel bpf: Acquire map uref in .init_seq_private for hash map iterator 2022-08-25 11:45:14 +02:00
lib crypto: lib/blake2s - reduce stack frame usage in self test 2022-08-17 15:16:19 +02:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm Revert "mm: kfence: apply kmemleak_ignore_phys on early allocated pool" 2022-08-21 15:20:08 +02:00
net can: j1939: j1939_sk_queue_activate_next_locked(): replace WARN_ON_ONCE with netdev_warn_once() 2022-08-25 11:45:37 +02:00
samples sample: bpf: xdp_router_ipv4: Allow the kernel to send arp requests 2022-08-17 15:14:25 +02:00
scripts gcc-plugins: Undefine LATENT_ENTROPY_PLUGIN when plugin disabled for a file 2022-08-25 11:45:37 +02:00
security apparmor: Fix memleak in aa_simple_write_to_buffer() 2022-08-25 11:45:11 +02:00
sound ASoC: codec: tlv320aic32x4: fix mono playback via I2S 2022-08-25 11:45:29 +02:00
tools selftests/kprobe: Do not test for GRP/ without event failures 2022-08-25 11:45:46 +02:00
usr Not a lot of material this cycle. Many singleton patches against various 2022-05-27 11:22:03 -07:00
virt KVM: Unconditionally get a ref to /dev/kvm module when creating a VM 2022-08-25 11:45:05 +02:00
.clang-format clang-format: Fix space after for_each macros 2022-05-20 19:27:16 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore kbuild: split the second line of *.mod into *.usyms 2022-05-08 03:16:59 +09:00
.mailmap ARM: SoC fixes for 5.19, part 4 2022-07-27 09:43:07 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: mark ARM/PALM TREO SUPPORT orphan 2022-07-07 15:17:00 +02:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS io_uring: move to separate directory 2022-08-17 15:14:20 +02:00
Makefile kbuild: fix the modules order between drivers and libs 2022-08-25 11:45:37 +02:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.