From: Petr Mladek <pmladek@suse.com>
To: John Ogness <john.ogness@linutronix.de>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>,
Steven Rostedt <rostedt@goodmis.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org, Ard Biesheuvel <ardb@kernel.org>,
linux-efi@vger.kernel.org
Subject: Re: [PATCH printk v3 25/40] efi: earlycon: use console_is_registered()
Date: Thu, 10 Nov 2022 15:28:51 +0100 [thread overview]
Message-ID: <Y20Ko0ezrpVpoxZR@alley> (raw)
In-Reply-To: <20221107141638.3790965-26-john.ogness@linutronix.de>
On Mon 2022-11-07 15:22:23, John Ogness wrote:
> The CON_ENABLED status of a console is a runtime setting that does not
> involve the console driver. Drivers must not assume that if the console
> is disabled then proper hardware management is not needed. For the EFI
> earlycon case, it is about remapping/unmapping memory for the
> framebuffer.
>
> Use console_is_registered() instead of checking CON_ENABLED.
>
> Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Best Regards,
Petr
next prev parent reply other threads:[~2022-11-10 14:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-07 14:15 [PATCH printk v3 00/40] reduce console_lock scope John Ogness
2022-11-07 14:16 ` [PATCH printk v3 25/40] efi: earlycon: use console_is_registered() John Ogness
2022-11-10 14:28 ` Petr Mladek [this message]
2022-11-11 14:43 ` [PATCH printk v3 00/40] reduce console_lock scope Mathieu Desnoyers
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