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[86.162.200.138]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42e1ca4078csm15970060f8f.29.2025.11.29.08.43.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 29 Nov 2025 08:43:38 -0800 (PST) From: Biju X-Google-Original-From: Biju To: Greg Kroah-Hartman , Jiri Slaby , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm Cc: Biju Das , Wolfram Sang , Lad Prabhakar , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Biju Das Subject: [PATCH v5 15/17] serial: sh-sci: Add finish_console_write() callback Date: Sat, 29 Nov 2025 16:43:11 +0000 Message-ID: <20251129164325.209213-16-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251129164325.209213-1-biju.das.jz@bp.renesas.com> References: <20251129164325.209213-1-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 --- v4->v5: * No change. v3->v4: * No change. v2->v3: * No change. 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 976e394ab968..f363a659c46a 100644 --- a/drivers/tty/serial/sh-sci-common.h +++ b/drivers/tty/serial/sh-sci-common.h @@ -93,6 +93,7 @@ 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 e2ba752f9c16..8f3314b258d6 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -3431,7 +3431,10 @@ 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