[PATCH] serial: ns16550: Reuse 16550 serial for tegra UART

Alexander Shiyan eagle.alexander923 at gmail.com
Fri Apr 22 02:21:55 PDT 2022


The initialization for the tegra UART is the same as for the standard 16550,
so there is no reason to keep a separate structure for it in the driver.

Signed-off-by: Alexander Shiyan <eagle.alexander923 at gmail.com>
---
 drivers/serial/serial_ns16550.c | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c
index 464ae1aebc..f93a89ab95 100644
--- a/drivers/serial/serial_ns16550.c
+++ b/drivers/serial/serial_ns16550.c
@@ -366,11 +366,6 @@ static __maybe_unused struct ns16550_drvdata jz_drvdata = {
 	.init_port = ns16550_jz_init_port,
 };
 
-static __maybe_unused struct ns16550_drvdata tegra_drvdata = {
-	.init_port = ns16550_serial_init_port,
-	.linux_console_name = "ttyS",
-};
-
 static __maybe_unused struct ns16550_drvdata rpi_drvdata = {
 	.init_port = rpi_init_port,
 	.linux_console_name = "ttyS",
@@ -528,6 +523,9 @@ static struct of_device_id ns16550_serial_dt_ids[] = {
 	}, {
 		.compatible = "marvell,armada-38x-uart",
 		.data = &ns16550_drvdata,
+	}, {
+		.compatible = "nvidia,tegra20-uart",
+		.data = &ns16550_drvdata,
 	},
 #if IS_ENABLED(CONFIG_ARCH_OMAP)
 	{
@@ -541,12 +539,6 @@ static struct of_device_id ns16550_serial_dt_ids[] = {
 		.data = &omap_drvdata,
 	},
 #endif
-#if IS_ENABLED(CONFIG_ARCH_TEGRA)
-	{
-		.compatible = "nvidia,tegra20-uart",
-		.data = &tegra_drvdata,
-	},
-#endif
 #if IS_ENABLED(CONFIG_MACH_MIPS_XBURST)
 	{
 		.compatible = "ingenic,jz4740-uart",
-- 
2.32.0




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