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serial: sh-sci: Add finish_console_write() callback

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Add finish_console_write() callback as RZ/G3E RSCI IP needs special
handling compared to other SoCs.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://patch.msgid.link/20251129164325.209213-16-biju.das.jz@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Biju Das
2025-11-29 16:43:11 +00:00
committed by Greg Kroah-Hartman
parent 5632bda5e8
commit bbcd508c84
2 changed files with 5 additions and 1 deletions
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1
drivers/tty/serial/sh-sci-common.h
View File

@@ -93,6 +93,7 @@ struct sci_port_ops {
void (*shutdown_complete)(struct uart_port *port);
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);

5
drivers/tty/serial/sh-sci.c
View File

@@ -3431,7 +3431,10 @@ static void serial_console_write(struct console *co, const char *s,
cpu_relax();
/* 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);
if (locked)
uart_port_unlock_irqrestore(port, flags);