RE: [PATCH 1/1] driver:mtd:spi-nor: Add Micron quad I/O support

bpqw
2014-09-26T08:40:36Z

>> + /* set EVCR ,enable quad I/O */
>> + nor->cmd_buf[0] = val & ~EVCR_QUAD_EN_MICRON;
>> + ret = nor->write_reg(nor, SPINOR_OP_WD_EVCR, nor->cmd_buf, 1, 0);
>> + if (ret < 0) {
>> + dev_err(nor->dev,
>> + "error while writing EVCR register\n");
>> + return -EINVAL;
>> + }
>> +
>> + if (wait_till_ready(nor))
>> + return 1;

>Why does this not return proper error code or even better, return value from
>wait_till_ready() ?
>
>Other than that, there's nothing wrong with the patch I think.

Hi,Marek
Thanks for your review,you can find the same usage in the spi-nor.c.
Below method is OK? Or you can give me some suggestion.

if (wait_till_ready(nor))
return - EINVAL;