1 files changed, 0 insertions, 92 deletions
diff --git a/arch/arm/mach-davinci/serial.c b/arch/arm/mach-davinci/serial.c
deleted file mode 100644
index 7f7814807bb5..000000000000
--- a/arch/arm/mach-davinci/serial.c
+++ /dev/null
@@ -1,92 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * TI DaVinci serial driver
- *
- * Copyright (C) 2006 Texas Instruments.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/serial_8250.h>
-#include <linux/serial_reg.h>
-#include <linux/platform_device.h>
-#include <linux/delay.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-
-#include "serial.h"
-#include "cputype.h"
-
-static inline void serial_write_reg(struct plat_serial8250_port *p, int offset,
-				    int value)
-{
-	offset <<= p->regshift;
-
-	WARN_ONCE(!p->membase, "unmapped write: uart[%d]\n", offset);
-
-	__raw_writel(value, p->membase + offset);
-}
-
-static void __init davinci_serial_reset(struct plat_serial8250_port *p)
-{
-	unsigned int pwremu = 0;
-
-	serial_write_reg(p, UART_IER, 0);  /* disable all interrupts */
-
-	/* reset both transmitter and receiver: bits 14,13 = UTRST, URRST */
-	serial_write_reg(p, UART_DAVINCI_PWREMU, pwremu);
-	mdelay(10);
-
-	pwremu |= (0x3 << 13);
-	pwremu |= 0x1;
-	serial_write_reg(p, UART_DAVINCI_PWREMU, pwremu);
-
-	if (cpu_is_davinci_dm646x())
-		serial_write_reg(p, UART_DM646X_SCR,
-				 UART_DM646X_SCR_TX_WATERMARK);
-}
-
-int __init davinci_serial_init(struct platform_device *serial_dev)
-{
-	int i, ret = 0;
-	struct device *dev;
-	struct plat_serial8250_port *p;
-	struct clk *clk;
-
-	/*
-	 * Make sure the serial ports are muxed on at this point.
-	 * You have to mux them off in device drivers later on if not needed.
-	 */
-	for (i = 0; serial_dev[i].dev.platform_data != NULL; i++) {
-		dev = &serial_dev[i].dev;
-		p = dev->platform_data;
-
-		ret = platform_device_register(&serial_dev[i]);
-		if (ret)
-			continue;
-
-		clk = clk_get(dev, NULL);
-		if (IS_ERR(clk)) {
-			pr_err("%s:%d: failed to get UART%d clock\n",
-			       __func__, __LINE__, i);
-			continue;
-		}
-
-		clk_prepare_enable(clk);
-
-		p->uartclk = clk_get_rate(clk);
-
-		if (!p->membase && p->mapbase) {
-			p->membase = ioremap(p->mapbase, SZ_4K);
-
-			if (p->membase)
-				p->flags &= ~UPF_IOREMAP;
-			else
-				pr_err("uart regs ioremap failed\n");
-		}
-
-		if (p->membase && p->type != PORT_AR7)
-			davinci_serial_reset(p);
-	}
-	return ret;
-}