[DO NOT MERGE v8 20/36] serial: sh-sci: fix SH4 OF support.

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- Separated RZ's earlycon initialization from normal SCIF.
- fix earlyprintk hung (NULL pointer reference).
- fix SERIAL_SH_SCI_EARLYCON enablement

Signed-off-by: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
 drivers/tty/serial/Kconfig  | 2 +-
 drivers/tty/serial/sh-sci.c | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 4fdd7857ef4d..eeb22b582470 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -664,7 +664,7 @@ config SERIAL_SH_SCI_EARLYCON
 	depends on SERIAL_SH_SCI=y
 	select SERIAL_CORE_CONSOLE
 	select SERIAL_EARLYCON
-	default ARCH_RENESAS
+	default ARCH_RENESAS || SUPERH
 
 config SERIAL_SH_SCI_DMA
 	bool "DMA support" if EXPERT
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index f738980a8b2c..068f483401e3 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -2723,7 +2723,7 @@ static int sci_remap_port(struct uart_port *port)
 	if (port->membase)
 		return 0;
 
-	if (port->dev->of_node || (port->flags & UPF_IOREMAP)) {
+	if (dev_of_node(port->dev) || (port->flags & UPF_IOREMAP)) {
 		port->membase = ioremap(port->mapbase, sport->reg_size);
 		if (unlikely(!port->membase)) {
 			dev_err(port->dev, "can't remap port#%d\n", port->line);
@@ -3551,8 +3551,8 @@ static int __init hscif_early_console_setup(struct earlycon_device *device,
 
 OF_EARLYCON_DECLARE(sci, "renesas,sci", sci_early_console_setup);
 OF_EARLYCON_DECLARE(scif, "renesas,scif", scif_early_console_setup);
-OF_EARLYCON_DECLARE(scif, "renesas,scif-r7s9210", rzscifa_early_console_setup);
-OF_EARLYCON_DECLARE(scif, "renesas,scif-r9a07g044", rzscifa_early_console_setup);
+OF_EARLYCON_DECLARE(rzscifa, "renesas,scif-r7s9210", rzscifa_early_console_setup);
+OF_EARLYCON_DECLARE(rzscifa, "renesas,scif-r9a07g044", rzscifa_early_console_setup);
 OF_EARLYCON_DECLARE(scifa, "renesas,scifa", scifa_early_console_setup);
 OF_EARLYCON_DECLARE(scifb, "renesas,scifb", scifb_early_console_setup);
 OF_EARLYCON_DECLARE(hscif, "renesas,hscif", hscif_early_console_setup);
-- 
2.39.2




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