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McKenney" , Andrew Morton , Will Deacon , Randy Dunlap , Muchun Song , Damien Le Moal , Kim Phillips , linux-doc@vger.kernel.org, linux-efi@vger.kernel.org, linux-serial@vger.kernel.org, linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH v3 1/3] drivers: serial: earlycon: Pass device-tree node Date: Wed, 21 Dec 2022 12:53:58 +0200 Message-Id: <20221221105402.6598-2-markuss.broks@gmail.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221221105402.6598-1-markuss.broks@gmail.com> References: <20221221105402.6598-1-markuss.broks@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-efi@vger.kernel.org Pass a pointer to device-tree node in case the driver probed from OF. This makes early console drivers able to fetch options from device-tree node properties. Signed-off-by: Markuss Broks --- drivers/tty/serial/earlycon.c | 3 +++ include/linux/serial_core.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c index 4f6e9bf57169..0c7a789d7eb7 100644 --- a/drivers/tty/serial/earlycon.c +++ b/drivers/tty/serial/earlycon.c @@ -307,6 +307,9 @@ int __init of_setup_earlycon(const struct earlycon_id *match, strscpy(early_console_dev.options, options, sizeof(early_console_dev.options)); } + + early_console_dev.node = node; + earlycon_init(&early_console_dev, match->name); err = match->setup(&early_console_dev, options); earlycon_print_info(&early_console_dev); diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index fd59f600094a..0b06c0ee7705 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -783,6 +783,7 @@ struct earlycon_device { struct uart_port port; char options[16]; /* e.g., 115200n8 */ unsigned int baud; + unsigned long node; }; struct earlycon_id {