On 04/19/2016 11:42 AM, Samuel Thibault wrote: > Peter Hurley, on Tue 19 Apr 2016 11:35:21 -0700, wrote: >> On 04/19/2016 11:26 AM, Samuel Thibault wrote: >>> Peter Hurley, on Tue 19 Apr 2016 11:22:46 -0700, wrote: >>>> On 04/19/2016 10:48 AM, Samuel Thibault wrote: >>>>> From the kernel, open a serial port, and write/read text to/from it, >>>>> before /dev is mounted. >>>> >>>> Ok, good luck with that. >>> >>> It's not a question of luck, but of will. I don't see any reason why >>> there shouldn't be a function which takes a major/minor pair, and >>> returns a filp. >> >> It's not clear that this is the only possible solution, simply >> because you declare it is. > > I never said it was. But you did, when you gave that solution as the requirement for what you want to achieve. If that's what you want to achieve, then necessarily that's the only possible solution. What other possible solution could there be to "open a serial port, and write/read text to/from it, before /dev is mounted"? > I'm just saying it really looks like a possible > solution. So it's not a question a of luck: either that solution gets > implemented, or another, even better. > >>> It's a shame that such a basic need for people who can't see has been >>> receiving such kind of attitude for decades from kernel maintainers. >> >> My attempt to understand the requirements was genuine. > > Ok, but then what does "good luck with that" mean? That the requirement that you have set forth is challenging, and you will need a measure of luck to achieve it. -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
