Messages in this thread | | | Date | Tue, 10 Jun 2014 10:33:44 -0400 | From | Dave Jones <> | Subject | Re: i2c: ChromeOS EC tunnel driver |
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On Fri, Jun 06, 2014 at 07:31:28PM +0000, Linux Kernel wrote: > Gitweb: http://git.kernel.org/linus/;a=commit;h=9d230c9e4f4e67cb1c1cb9e0f6142da16b0f2796 > Commit: 9d230c9e4f4e67cb1c1cb9e0f6142da16b0f2796 > Parent: 5271db29d7199fe0ffb303ca4bbbb1485bba28c3 > Refname: refs/heads/next > Author: Doug Anderson <dianders@chromium.org> > AuthorDate: Wed Apr 30 10:44:09 2014 -0700 > Committer: Lee Jones <lee.jones@linaro.org> > CommitDate: Tue Jun 3 08:11:49 2014 +0100
> +static int ec_i2c_construct_message(u8 *buf, const struct i2c_msg i2c_msgs[], > + int num, u16 bus_num) > +{ > + struct ec_params_i2c_passthru *params; > + u8 *out_data; > + int i; > + > + out_data = buf + sizeof(struct ec_params_i2c_passthru) + > + num * sizeof(struct ec_params_i2c_passthru_msg); > + > + params = (struct ec_params_i2c_passthru *)buf; > + params->port = bus_num; > + params->num_msgs = num; > + for (i = 0; i < num; i++) { > + const struct i2c_msg *i2c_msg = &i2c_msgs[i]; > + struct ec_params_i2c_passthru_msg *msg = ¶ms->msg[i]; > + > + msg->len = i2c_msg->len; > + msg->addr_flags = i2c_msg->addr; > + > + if (i2c_msg->flags & I2C_M_TEN) > + msg->addr_flags |= EC_I2C_FLAG_10BIT;
This is a fun bug. EC_I2C_FLAG_10BIT is 1<<16, but msg->addr_flags is only a uint16.
Dave
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