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authorMika Westerberg <mika.westerberg@linux.intel.com>2017-06-06 15:24:53 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-06-09 12:42:40 +0300
commit16a1258af5d8e1bd58e20fc70069f9dd91cc5b34 (patch)
treef14c370f46f6dd7c2f6a42b2f85382162df0e8de /drivers/thunderbolt/ctl.h
parent73726380a26fa1ed490f30fccee10ed9da28dc0c (diff)
downloadlinux-16a1258af5d8e1bd58e20fc70069f9dd91cc5b34.tar.xz
thunderbolt: Use const buffer pointer in write operations
These functions should not (and do not) modify the argument in any way so make it const. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Yehezkel Bernat <yehezkel.bernat@intel.com> Reviewed-by: Michael Jamet <michael.jamet@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Andreas Noever <andreas.noever@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/thunderbolt/ctl.h')
-rw-r--r--drivers/thunderbolt/ctl.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/thunderbolt/ctl.h b/drivers/thunderbolt/ctl.h
index ba87d6e731dd..83ae54947082 100644
--- a/drivers/thunderbolt/ctl.h
+++ b/drivers/thunderbolt/ctl.h
@@ -61,13 +61,13 @@ struct tb_cfg_result tb_cfg_read_raw(struct tb_ctl *ctl, void *buffer,
u64 route, u32 port,
enum tb_cfg_space space, u32 offset,
u32 length, int timeout_msec);
-struct tb_cfg_result tb_cfg_write_raw(struct tb_ctl *ctl, void *buffer,
+struct tb_cfg_result tb_cfg_write_raw(struct tb_ctl *ctl, const void *buffer,
u64 route, u32 port,
enum tb_cfg_space space, u32 offset,
u32 length, int timeout_msec);
int tb_cfg_read(struct tb_ctl *ctl, void *buffer, u64 route, u32 port,
enum tb_cfg_space space, u32 offset, u32 length);
-int tb_cfg_write(struct tb_ctl *ctl, void *buffer, u64 route, u32 port,
+int tb_cfg_write(struct tb_ctl *ctl, const void *buffer, u64 route, u32 port,
enum tb_cfg_space space, u32 offset, u32 length);
int tb_cfg_get_upstream_port(struct tb_ctl *ctl, u64 route);