X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=drivers%2Fmfd%2Ftwl-core.c;h=61e70cfaa774fb977adcba8cc697a06edd673210;hb=4a2164a7dbf0d3b6a1c2ef6f20c0d54350491a12;hp=bfbd66021afd383703fad96e890975853c2bf063;hpb=80f01ca1fce2d5045b98f01989017767339b8700;p=cascardo%2Flinux.git diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c index bfbd66021afd..61e70cfaa774 100644 --- a/drivers/mfd/twl-core.c +++ b/drivers/mfd/twl-core.c @@ -363,13 +363,13 @@ int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no); return -EPERM; } - sid = twl_map[mod_no].sid; - twl = &twl_modules[sid]; - if (unlikely(!inuse)) { - pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid); + pr_err("%s: not initialized\n", DRIVER_NAME); return -EPERM; } + sid = twl_map[mod_no].sid; + twl = &twl_modules[sid]; + mutex_lock(&twl->xfer_lock); /* * [MSG1]: fill the register address data @@ -420,13 +420,13 @@ int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no); return -EPERM; } - sid = twl_map[mod_no].sid; - twl = &twl_modules[sid]; - if (unlikely(!inuse)) { - pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid); + pr_err("%s: not initialized\n", DRIVER_NAME); return -EPERM; } + sid = twl_map[mod_no].sid; + twl = &twl_modules[sid]; + mutex_lock(&twl->xfer_lock); /* [MSG1] fill the register address data */ msg = &twl->xfer_msg[0];