From: Tony Lindgren <tony@atomide.com>
To: Francesco Dolcini <francesco@dolcini.it>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
Nishanth Menon <nm@ti.com>, Vignesh Raghavendra <vigneshr@ti.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Tero Kristo <kristo@kernel.org>
Subject: Re: [PATCH] arm64: defconfig: increase SERIAL_8250_NR_UARTS
Date: Fri, 1 Dec 2023 08:03:46 +0200 [thread overview]
Message-ID: <20231201060346.GE5169@atomide.com> (raw)
In-Reply-To: <20231130231657.12715-1-francesco@dolcini.it>
* Francesco Dolcini <francesco@dolcini.it> [231130 23:17]:
> Increase CONFIG_SERIAL_8250_NR_UARTS from 4 to 8, the current legacy value
> is not adequate for embedded systems that use SoCs where it's common to
> have a large number of serial ports.
>
> No need to change CONFIG_SERIAL_8250_RUNTIME_UARTS, see commit 9d86719f8769
> ("serial: 8250: Allow using ports higher than SERIAL_8250_RUNTIME_UARTS").
>
> This enables using the UART connected Bluetooth device on Verdin AM62
> board.
OK makes sense for distro use.
Disabling unused ports leads into port names shifting, which we still can't
easily tolerate until we have the DEVNAME:0.0 style addressing available for
ports. So for now we still depend CONFIG_SERIAL_8250_NR_UARTS, eventually
that too should become just a legacy ISA port array.. Meanwhile:
Reviewed-by: Tony Lindgren <tony@atomide.com>
next prev parent reply other threads:[~2023-12-01 6:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-30 23:16 Francesco Dolcini
2023-12-01 6:03 ` Tony Lindgren [this message]
2023-12-01 6:49 ` Nishanth Menon
2023-12-01 8:48 ` Francesco Dolcini
2023-12-01 8:59 ` Nishanth Menon
2023-12-01 9:18 ` Francesco Dolcini
2023-12-01 15:31 ` Arnd Bergmann
2023-12-01 16:31 ` Nishanth Menon
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20231201060346.GE5169@atomide.com \
--to=tony@atomide.com \
--cc=arnd@arndb.de \
--cc=catalin.marinas@arm.com \
--cc=francesco@dolcini.it \
--cc=kristo@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=nm@ti.com \
--cc=vigneshr@ti.com \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®