diff options
| author | Biju Das <biju.das.jz@bp.renesas.com> | 2025-11-29 16:43:11 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-12-17 15:07:07 +0100 |
| commit | bbcd508c84d4884c620f4f4bb7d382539466b9a3 (patch) | |
| tree | 40c9b5d11ca9aae6f0d8367f82be958483302eea /drivers/tty | |
| parent | 5632bda5e848c4592eefa4451092beb4ce29ab76 (diff) | |
serial: sh-sci: Add finish_console_write() callback
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>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/sh-sci-common.h | 1 | ||||
| -rw-r--r-- | drivers/tty/serial/sh-sci.c | 5 |
2 files changed, 5 insertions, 1 deletions
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); 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(); /* 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); |