From patchwork Wed Jun 11 10:03:12 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jiri Slaby \(SUSE\)" X-Patchwork-Id: 895715 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C8B27272E5A; Wed, 11 Jun 2025 10:04:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749636250; cv=none; b=P8sVxIu4K8EyVJk7qOd68pwCHfwOWzZcT0wxVawkwZyCHrZ8psVnVj3FrSUEW4qnjBG43htGXK3APXsSyqMbRWHcJ+cIjUwdgU58gpSoCL1NhRy3XMy2MIf33k1WuEwXnT2sHboQprxZCDkSuA1N5zfB8dupsSb0kdNiq1mJuJw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749636250; c=relaxed/simple; bh=5iZ1B5ZkaY5ZLX/qDcX1g+zAgRyPtiYm0Fa29q1Y75c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jgxBjiPRcstUgdPBMjkQsWWTT3qeIG8KijbQTK3EqkZnvBBd1s/+KB4vZWWj+D5vfPPBwUJIqjcpUhuVdE+U7k2s5DGZspwMeiyM6+SoVJ/UQk3mcwJqVND9unY2opEDulEdwNait6xIA9RNV4cUGXmttofbpCjV8eKqgxXyDrw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AtVAmJRo; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AtVAmJRo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9B278C4CEF2; Wed, 11 Jun 2025 10:04:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1749636250; bh=5iZ1B5ZkaY5ZLX/qDcX1g+zAgRyPtiYm0Fa29q1Y75c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AtVAmJRolfNj5x09ChZgJSMCbHzPtttsgnXsR95rt1SWJIV8U/We3OY8S19l0JjXV yJJrn74vXcmn7tf96eGQdl3AnvMw3U2GoSYE9H0fpBc984cZ6puMFhNqhIksf16OQi BoG7RqRZydtm7T3dWCGs9fz4bPvMPT2B1941Lil7YfiwT0owo0s5KO3O8gF5lUZQvB K4TzhwL5585but1APU8zyoKqZT9R4AcsoGoz1A9AkEno5XMtiv5WrgTGJREPf3c02v c0jGmLXZutbryYcZNliGB2IUHNNOypnJ82lVkwOvolovG0zIdOZ5ys1RsFEywf/+Df xIZsrlBjvyeVQ== From: "Jiri Slaby (SUSE)" To: gregkh@linuxfoundation.org Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, "Jiri Slaby (SUSE)" Subject: [PATCH 26/33] serial: 8250: drop unused frac from serial8250_do_get_divisor() Date: Wed, 11 Jun 2025 12:03:12 +0200 Message-ID: <20250611100319.186924-27-jirislaby@kernel.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250611100319.186924-1-jirislaby@kernel.org> References: <20250611100319.186924-1-jirislaby@kernel.org> Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 'frac' is not used in the generic implementation of get_divisor. Drop it from there. (Only some port->get_divisor() compute that and receive it then to port->set_divisor()). Signed-off-by: Jiri Slaby (SUSE) --- drivers/tty/serial/8250/8250_port.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 2af89038e50e..6363915a1787 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -2481,9 +2481,7 @@ static void serial8250_flush_buffer(struct uart_port *port) serial8250_tx_dma_flush(up); } -static unsigned int serial8250_do_get_divisor(struct uart_port *port, - unsigned int baud, - unsigned int *frac) +static unsigned int serial8250_do_get_divisor(struct uart_port *port, unsigned int baud) { upf_t magic_multiplier = port->flags & UPF_MAGIC_MULTIPLIER; struct uart_8250_port *up = up_to_u8250p(port); @@ -2544,7 +2542,7 @@ static unsigned int serial8250_get_divisor(struct uart_port *port, if (port->get_divisor) return port->get_divisor(port, baud, frac); - return serial8250_do_get_divisor(port, baud, frac); + return serial8250_do_get_divisor(port, baud); } static unsigned char serial8250_compute_lcr(struct uart_8250_port *up, tcflag_t c_cflag)