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SubjectRe: [PATCH 0/5] tty: add flag to suppress ready signalling on open
On 11/30/20, Jiri Slaby <jirislaby@kernel.org> wrote:
> The difference to other control flags is that open raises DTR/RTS in any
> case (i.e. including O_NONBLOCK)

Yes, this is the exact root-cause problem I am trying to fix, with Johan's help.

> -- provided baud rate is set (and it is
> for casual serials). That means you cannot open a port to configure it
> (using e.g. setserial) without actually raising the DTR/RTS.

Exactly.

M~

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