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thunderbolt: Use const buffer pointer in write operations

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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>
This commit is contained in:
Mika Westerberg
2017-06-06 15:24:53 +03:00
committed by Greg Kroah-Hartman
parent 73726380a2
commit 16a1258af5
3 changed files with 7 additions and 7 deletions
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4
drivers/thunderbolt/ctl.h
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@@ -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);