diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2017-02-10 11:27:57 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-03-02 15:46:34 +0100 |
| commit | 519e23a7f51e853dbe5dc4abb193c0c0db303b3a (patch) | |
| tree | 3e2a2bef7630cfc4fcee7e4d5dc42040b5bfdd5c /drivers/i2c/busses/i2c-designware-pcidrv.c | |
| parent | 086cb4afef45262806ee5bf26c34244e5867712c (diff) | |
i2c: designware-baytrail: Fix race when resetting the semaphore
Use iosf_mbi_modify instead of iosf_mbi_read + iosf_mbi_write so that
we keep the iosf_mbi_lock locked during the read-modify-write done to
reset the semaphore.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170210102802.20898-8-hdegoede@redhat.com
Diffstat (limited to 'drivers/i2c/busses/i2c-designware-pcidrv.c')
0 files changed, 0 insertions, 0 deletions