• Jan Glauber's avatar
    Revert "i2c: octeon: thunderx: Limit register access retries" · dfa2ccc3
    Jan Glauber authored
    This reverts commit 70121f7f ("i2c: octeon: thunderx: Limit register access retries").
    Using readq_poll_timeout instead of __raw_readq triggers the following
    debug warning:
    
    [   78.871568] ipmi_ssif: Trying hotmod-specified SSIF interface at i2c address 0x12, adapter Cavium ThunderX i2c adapter at 0000:01:09.4, slave address 0x0
    [   78.886107] do not call blocking ops when !TASK_RUNNING; state=2 set at [<fffffc00080e0088>] prepare_to_wait_event+0x58/0x10c
    [   78.897436] ------------[ cut here ]------------
    [   78.902050] WARNING: CPU: 6 PID: 2235 at kernel/sched/core.c:7718 __might_sleep+0x80/0x88
    
    [...]
    
    [   79.133553] [<fffffc00080c3aac>] __might_sleep+0x80/0x88
    [   79.138862] [<fffffc0000e30138>] octeon_i2c_test_iflg+0x4c/0xbc [i2c_thunderx]
    [   79.146077] [<fffffc0000e30958>] octeon_i2c_test_ready+0x18/0x70 [i2c_thunderx]
    [   79.153379] [<fffffc0000e30b04>] octeon_i2c_wait+0x154/0x1a4 [i2c_thunderx]
    [   79.160334] [<fffffc0000e310bc>] octeon_i2c_xfer+0xf4/0xf60 [i2c_thunderx]
    Signed-off-by: default avatarJan Glauber <jglauber@cavium.com>
    Acked-by: default avatarSteven J. Hill <steven.hill@cavium.com>
    Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
    dfa2ccc3
i2c-octeon-core.h 6.39 KB