From nobody Tue Feb 10 11:56:11 2026 Received: from mail-wr1-f53.google.com (mail-wr1-f53.google.com [209.85.221.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8A54936CA99 for ; Thu, 30 Oct 2025 17:55:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.53 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761846940; cv=none; b=gGVj7azeANziyzMIJHnkWMWrrouGJJJq2VSLJmPEfTfYtr2yXkQ/U1TMDxkoho7+ksuu/3ARKQa1E1of3KX23ymtPwotvkHd42nBmNKmns9zRy1CU+ZmMdgperdlNsyp8jzrg7Lvor71zcXz8nTyEBIqNWU7KLdk0dTJtbpRypk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761846940; c=relaxed/simple; bh=ZVr695PrkjlsTLaO5UZFDg6DGUr1VgaEBsWlk7XU+bM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uPtjgjwRcvigL6fpN5lUE3UB8bgnISKGSUnc2uRhj/qIcqlRjHWXB7Bi35YC8aq6lyy5dxsVi98/3XVno+jy9I6+fnFRJvNu7gOxjD7ZaunXfMipNdk/G6HCnizdCYnHG2c0MtDs55FH+fBKNCARpfPGGGmOZy+BopWnTn3pynQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Swqnbqey; arc=none smtp.client-ip=209.85.221.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Swqnbqey" Received: by mail-wr1-f53.google.com with SMTP id ffacd0b85a97d-421851bca51so1210680f8f.1 for ; Thu, 30 Oct 2025 10:55:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1761846934; x=1762451734; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=MfbjD1RYHWgoO0jG0DLqriHMmFx1f2scKAXhmIYvONA=; b=Swqnbqey01kzoa1XCsgBJ96Ik0fRiuVDcnRfuMz8alz7WDm54NY3dzBwjkElt0srJI /HLCcmFPd3QN5j4M/BLm1ABFjPqtpAQcMW0LweGKjOTbsQXHgGbxEkcVmJIRN8CEp+LH QELc3ux58kIV0x//taAH9Ycmll+cuMKGkuFQXaIg+QLzIvaj8JRaWF/8yIl8Ez1GWEV3 wO5i566uyZMpYYh4JcYUtxZ/CK8Z5G2tIyBbyaTcV/OV7JsrojxWrsFTngbgtjVspjWZ 1ErfRY/pSOvrcVVPbKlLIhoKK12Apf4ENW9VhxguusPVyrZxfj3+3upqYVY2hxh4rHqM G4eA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761846934; x=1762451734; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=MfbjD1RYHWgoO0jG0DLqriHMmFx1f2scKAXhmIYvONA=; b=qQGtNFrfSxgxg8Nso6ALyZ7knHfdQcBniVGjyhWFnB5x9zlfJDbkDvLE45VUbVRPjv G9O8O5Gog7FE2ewyQXxuddyS4NJuCojRiNj+GqSD8gUWkPjqrs53B3SLY3D2N6hU1el1 i2Lu7Sv5oWCCedZJcNphkXDkoYbDFlp/mB1vszDbHsj7O0LghP5jWL2GOhsqXNSfyqHn BqZ9avPPrpkaBKWGCxlfdLZswsMJ7xhpyfZh4oFjA+XpwRuu4Vhhh5Ve27tlhLNAJZgz i47sYdI1YYdyK2AJ2Yccq3bqoVt7Yed22jn+gS0pGeBPMJql78/w6UvBn0zoCvLB0Pwn P/Fw== X-Forwarded-Encrypted: i=1; AJvYcCWkNnT5ssNYJmuPdeOEj2eeKjZmm/okjPk59bU1flysbX4OmRDLeD2tG7BoWgXTV7387No32iLko61Q4tw=@vger.kernel.org X-Gm-Message-State: AOJu0YzbVbDF6WzLIb6EdpoELKAQjoXTuHEodweeoc8YbpBtPJPJ1sXw og0BC62DVZN/wF4+yViDl/0x2nQV59S3+B3HZorA+Qj2U+YGf4MO1JKL X-Gm-Gg: ASbGncvcyMe8tRE1H1z1XzvSYoyeUwjs6ug7ZnBnLWXv1qvP9+85TTfYG85I3q13xeF luKJeNmbJcSOnlRrzq+2ZPJ8wYKQOV8X8ZGa6QdguYBrTcI6SuygndaCNZTsxybZx3pmP3mRwu/ isa/APtScoErlSBbuZENlCwGNqP6pNae0pbZVsty/0lxgFohsdh9GfiODqkX4rPweVjYildldQy wTe2MAyxGgBoZksALmV++O+Rn8ERR6kIc7nPi8Unhwd/czpqlchaw92VXi8xCw6yTTtAe8y0OS/ fpnx+dwt0lijMCD3GmkGnc6/UhXmEm6w4M21TBfq4SV65OK9KbrGdTFHof7zvpilYeGAQ37wZ6a DZkwaFHmhcjnmTu5j429oUDlv6SXTcE+PBwl2Rvs7D8QJV74YTKZxHlSMJnxMqBhNyfx+xrkFbJ EU63/Mg1fd1BcNgFkVhV2FSTSB3JxEmPzJdG9sJSgoPyBt50s8okLV6AR+Cci3eTkcSS7ohGsZw JoMC+nARQ== X-Google-Smtp-Source: AGHT+IE3z5lAmhGoh5d4Yy4K8o1VX+Hl6Sh/SAktovTtRK5y2To4h3DqtSkPbGR9LE39NISIviPJxA== X-Received: by 2002:a05:6000:2207:b0:429:7693:884f with SMTP id ffacd0b85a97d-429bd6725bbmr488929f8f.5.1761846934316; Thu, 30 Oct 2025 10:55:34 -0700 (PDT) Received: from biju.lan (host86-162-200-138.range86-162.btcentralplus.com. [86.162.200.138]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429952de5f9sm33384041f8f.38.2025.10.30.10.55.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Oct 2025 10:55:34 -0700 (PDT) From: Biju X-Google-Original-From: Biju To: Greg Kroah-Hartman , Jiri Slaby Cc: Biju Das , Wolfram Sang , Lad Prabhakar , Geert Uytterhoeven , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, Biju Das , linux-renesas-soc@vger.kernel.org Subject: [PATCH v2 11/13] serial: sh-sci: Add finish_console_write() callback Date: Thu, 30 Oct 2025 17:55:15 +0000 Message-ID: <20251030175526.607006-12-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251030175526.607006-1-biju.das.jz@bp.renesas.com> References: <20251030175526.607006-1-biju.das.jz@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Biju Das Add finish_console_write() callback as RZ/G3E RSCI IP needs special handling compared to other SoCs. Signed-off-by: Biju Das --- v1->v2: * No change. --- drivers/tty/serial/sh-sci-common.h | 1 + drivers/tty/serial/sh-sci.c | 5 ++++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/sh-sci-common.h b/drivers/tty/serial/sh-sci= -common.h index a3f4a76cdecb..2e97aad390d9 100644 --- a/drivers/tty/serial/sh-sci-common.h +++ b/drivers/tty/serial/sh-sci-common.h @@ -95,6 +95,7 @@ struct sci_port_ops { void (*shutdown_complete)(struct uart_port *port); =20 void (*prepare_console_write)(struct uart_port *port, u32 ctrl); + void (*finish_console_write)(struct uart_port *port, u32 ctrl); void (*console_save)(struct uart_port *port); void (*console_restore)(struct uart_port *port); size_t (*suspend_regs_size)(void); diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index ca4915c1e2e6..fac83dace27c 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -3259,7 +3259,10 @@ static void serial_console_write(struct console *co,= const char *s, cpu_relax(); =20 /* restore the SCSCR */ - sci_port->ops->write_reg(port, regs->control, ctrl); + if (sci_port->ops->finish_console_write) + sci_port->ops->finish_console_write(port, ctrl); + else + sci_port->ops->write_reg(port, regs->control, ctrl); =20 if (locked) uart_port_unlock_irqrestore(port, flags); --=20 2.43.0