From mboxrd@z Thu Jan 1 00:00:00 1970 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 6F2EE2566 for ; Tue, 18 Apr 2023 12:25:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EA942C433A7; Tue, 18 Apr 2023 12:25:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1681820757; bh=RCIYvKF0ZjpsGOmr6O6TbZEw3m/J6vkgw6TYrAVSfXk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HuIksjS41GG2EViVG0tO20zMUGg4lQN6oCEN4xASh8+XpvahGV2GyYTRuLvpNMzog bm+HGi5ZviikweCwRNa1D2/vwZGFEb65HyGPhJuuagOmcSjW1gZUhVu7BVJeNp1eEX fWu8MPsGQIi4Mz4kIoU5H8fgI3uh+bCGJxagyz0Q= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Biju Das Subject: [PATCH 4.19 20/57] tty: serial: sh-sci: Fix Rx on RZ/G2L SCI Date: Tue, 18 Apr 2023 14:21:20 +0200 Message-Id: <20230418120259.456305991@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230418120258.713853188@linuxfoundation.org> References: <20230418120258.713853188@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Biju Das commit f92ed0cd9328aed918ebb0ebb64d259eccbcc6e7 upstream. SCI IP on RZ/G2L alike SoCs do not need regshift compared to other SCI IPs on the SH platform. Currently, it does regshift and configuring Rx wrongly. Drop adding regshift for RZ/G2L alike SoCs. Fixes: dfc80387aefb ("serial: sh-sci: Compute the regshift value for SCI ports") Cc: stable@vger.kernel.org Signed-off-by: Biju Das Link: https://lore.kernel.org/r/20230321114753.75038-3-biju.das.jz@bp.renesas.com Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/sh-sci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -2980,7 +2980,7 @@ static int sci_init_single(struct platfo port->flags = UPF_FIXED_PORT | UPF_BOOT_AUTOCONF | p->flags; port->fifosize = sci_port->params->fifosize; - if (port->type == PORT_SCI) { + if (port->type == PORT_SCI && !dev->dev.of_node) { if (sci_port->reg_size >= 0x20) port->regshift = 2; else