From patchwork Tue Jan 3 23:06:21 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 9495813 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id BC93960405 for ; Tue, 3 Jan 2017 23:06:43 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AE80426E82 for ; Tue, 3 Jan 2017 23:06:43 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A254827D16; Tue, 3 Jan 2017 23:06:43 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3EFBD26E82 for ; Tue, 3 Jan 2017 23:06:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761719AbdACXGl (ORCPT ); Tue, 3 Jan 2017 18:06:41 -0500 Received: from galahad.ideasonboard.com ([185.26.127.97]:59066 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759654AbdACXGk (ORCPT ); Tue, 3 Jan 2017 18:06:40 -0500 Received: from avalon.bb.dnainternet.fi (dfj612ybrt5fhg77mgycy-3.rev.dnainternet.fi [IPv6:2001:14ba:21f5:5b00:2e86:4862:ef6a:2804]) by galahad.ideasonboard.com (Postfix) with ESMTPSA id 4136D201C0; Wed, 4 Jan 2017 00:06:14 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1483484774; bh=BqVdagOPpDGStkYeQc1N93t6hVEcAJzTSlKakIaXkqI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Cutlr3yjK3Ns5isTNSIRI+QN4dZNHYSSEMpXjY/J5cfGMcMXWZKAWKIxmD2xNnLu6 PQx6zIbdSTUV21a3f79sz/WEDhG1P5GKAvwY+SQwX3m1qa/4+ZL4/7LAyF68tpz/Mo wWuToWxLIva7xZB18WVQa/ppaOrLnuZmKr1oLsHE= From: Laurent Pinchart To: linux-renesas-soc@vger.kernel.org Cc: linux-sh@vger.kernel.org, linux-serial@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH 01/19] serial: sh-sci: Set the SCSCR TE and RE bits in the driver Date: Wed, 4 Jan 2017 01:06:21 +0200 Message-Id: <20170103230639.19660-2-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20170103230639.19660-1-laurent.pinchart+renesas@ideasonboard.com> References: <20170103230639.19660-1-laurent.pinchart+renesas@ideasonboard.com> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The Transmit Enable and Receive Enable bits are set in the scscr field of all instances of the sh-sci platform data. Set them in the driver directly to prepare for their removal from platform data. Signed-off-by: Laurent Pinchart Reviewed-by: Geert Uytterhoeven --- drivers/tty/serial/sh-sci.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 91e7dddbf72c..1e573611719e 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -2341,7 +2341,8 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios, serial_port_out(port, SCFCR, ctrl); } - scr_val |= s->cfg->scscr & ~(SCSCR_CKE1 | SCSCR_CKE0); + scr_val |= SCSCR_RE | SCSCR_TE | + (s->cfg->scscr & ~(SCSCR_CKE1 | SCSCR_CKE0)); dev_dbg(port->dev, "SCSCR 0x%x\n", scr_val); serial_port_out(port, SCSCR, scr_val); if ((srr + 1 == 5) && @@ -2791,7 +2792,8 @@ static void serial_console_write(struct console *co, const char *s, /* first save SCSCR then disable interrupts, keep clock source */ ctrl = serial_port_in(port, SCSCR); - ctrl_temp = (sci_port->cfg->scscr & ~(SCSCR_CKE1 | SCSCR_CKE0)) | + ctrl_temp = SCSCR_RE | SCSCR_TE | + (sci_port->cfg->scscr & ~(SCSCR_CKE1 | SCSCR_CKE0)) | (ctrl & (SCSCR_CKE1 | SCSCR_CKE0)); serial_port_out(port, SCSCR, ctrl_temp); @@ -2994,7 +2996,6 @@ sci_parse_dt(struct platform_device *pdev, unsigned int *dev_id) p->flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF; p->type = SCI_OF_TYPE(match->data); p->regtype = SCI_OF_REGTYPE(match->data); - p->scscr = SCSCR_RE | SCSCR_TE; if (of_find_property(np, "uart-has-rtscts", NULL)) p->capabilities |= SCIx_HAVE_RTSCTS; @@ -3162,9 +3163,9 @@ static int __init early_console_setup(struct earlycon_device *device, sci_ports[0].cfg = &port_cfg; sci_ports[0].cfg->type = type; sci_probe_regmap(sci_ports[0].cfg); - port_cfg.scscr = sci_serial_in(&sci_ports[0].port, SCSCR) | - SCSCR_RE | SCSCR_TE; - sci_serial_out(&sci_ports[0].port, SCSCR, port_cfg.scscr); + port_cfg.scscr = sci_serial_in(&sci_ports[0].port, SCSCR); + sci_serial_out(&sci_ports[0].port, SCSCR, + SCSCR_RE | SCSCR_TE | port_cfg.scscr); device->con->write = serial_console_write; return 0;