From: Alexander Shiyan <eagle.alexander923@gmail.com>
To: barebox@lists.infradead.org
Cc: Alexander Shiyan <eagle.alexander923@gmail.com>
Subject: [PATCH] serial: ns16550: Reuse 48MHz default clock definition for non-DT OMAP boards
Date: Tue, 28 Jun 2022 11:04:14 +0300 [thread overview]
Message-ID: <20220628080414.28960-1-eagle.alexander923@gmail.com> (raw)
Signed-off-by: Alexander Shiyan <eagle.alexander923@gmail.com>
---
arch/arm/mach-omap/omap_devices.c | 8 +-------
drivers/serial/serial_ns16550.c | 8 ++++----
2 files changed, 5 insertions(+), 11 deletions(-)
diff --git a/arch/arm/mach-omap/omap_devices.c b/arch/arm/mach-omap/omap_devices.c
index beae59f74d..022616ba54 100644
--- a/arch/arm/mach-omap/omap_devices.c
+++ b/arch/arm/mach-omap/omap_devices.c
@@ -1,7 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
#include <driver.h>
-#include <platform_data/serial-ns16550.h>
#include <asm/armlinux.h>
#include <mach/omap3-devices.h>
@@ -16,15 +15,10 @@ void omap_add_sram0(resource_size_t base, resource_size_t size)
add_mem_device("sram0", base, size, IORESOURCE_MEM_WRITEABLE);
}
-static struct NS16550_plat serial_plat = {
- .clock = 48000000, /* 48MHz (APLL96/2) */
- .shift = 2,
-};
-
struct device_d *omap_add_uart(int id, unsigned long base)
{
return add_generic_device("omap-uart", id, NULL, base, 1024,
- IORESOURCE_MEM | IORESOURCE_MEM_8BIT, &serial_plat);
+ IORESOURCE_MEM | IORESOURCE_MEM_8BIT, NULL);
}
#if defined(CONFIG_DRIVER_VIDEO_OMAP)
diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c
index 07f951e535..5998065c56 100644
--- a/drivers/serial/serial_ns16550.c
+++ b/drivers/serial/serial_ns16550.c
@@ -313,7 +313,7 @@ static void ns16550_probe_dt(struct device_d *dev, struct ns16550_priv *priv)
u32 offset;
u32 width = 1;
- if (!IS_ENABLED(CONFIG_OFDEVICE))
+ if (!IS_ENABLED(CONFIG_OFDEVICE) || !np)
return;
of_property_read_u32(np, "clock-frequency", &priv->plat.clock);
@@ -368,7 +368,7 @@ static __maybe_unused struct ns16550_drvdata omap_drvdata = {
.linux_earlycon_name = "omap8250",
};
-static __maybe_unused struct ns16550_drvdata am43xx_drvdata = {
+static __maybe_unused struct ns16550_drvdata omap_clk48m_drvdata = {
.init_port = ns16550_omap_init_port,
.linux_console_name = "ttyO",
.clk_default = 48000000,
@@ -561,7 +561,7 @@ static struct of_device_id ns16550_serial_dt_ids[] = {
.data = &omap_drvdata,
}, {
.compatible = "ti,am4372-uart",
- .data = &am43xx_drvdata,
+ .data = &omap_clk48m_drvdata,
},
#endif
#if IS_ENABLED(CONFIG_MACH_MIPS_XBURST)
@@ -584,7 +584,7 @@ static struct of_device_id ns16550_serial_dt_ids[] = {
static __maybe_unused struct platform_device_id ns16550_serial_ids[] = {
{
.name = "omap-uart",
- .driver_data = (unsigned long)&omap_drvdata,
+ .driver_data = (unsigned long)&omap_clk48m_drvdata,
}, {
/* sentinel */
},
base-commit: 18767e06f63166a0f1db0292ffaff5347c138d54
--
2.32.0
next reply other threads:[~2022-06-28 8:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-28 8:04 Alexander Shiyan [this message]
2022-06-28 8:23 ` Ahmad Fatoum
2022-06-29 7:15 ` Sascha Hauer
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