1 files changed, 0 insertions, 144 deletions
diff --git a/drivers/staging/tidspbridge/core/wdt.c b/drivers/staging/tidspbridge/core/wdt.c
deleted file mode 100644
index b19f887dfd88..000000000000
--- a/drivers/staging/tidspbridge/core/wdt.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * wdt.c
- *
- * DSP-BIOS Bridge driver support functions for TI OMAP processors.
- *
- * IO dispatcher for a shared memory channel driver.
- *
- * Copyright (C) 2010 Texas Instruments, Inc.
- *
- * This package is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-#include <linux/types.h>
-
-#include <dspbridge/dbdefs.h>
-#include <dspbridge/dspdeh.h>
-#include <dspbridge/dev.h>
-#include <dspbridge/_chnl_sm.h>
-#include <dspbridge/wdt.h>
-#include <dspbridge/host_os.h>
-
-
-#define OMAP34XX_WDT3_BASE	(0x49000000 + 0x30000)
-#define INT_34XX_WDT3_IRQ	(36 + NR_IRQS)
-
-static struct dsp_wdt_setting dsp_wdt;
-
-void dsp_wdt_dpc(unsigned long data)
-{
-	struct deh_mgr *deh_mgr;
-
-	dev_get_deh_mgr(dev_get_first(), &deh_mgr);
-	if (deh_mgr)
-		bridge_deh_notify(deh_mgr, DSP_WDTOVERFLOW, 0);
-}
-
-irqreturn_t dsp_wdt_isr(int irq, void *data)
-{
-	u32 value;
-	/* ack wdt3 interrupt */
-	value = __raw_readl(dsp_wdt.reg_base + OMAP3_WDT3_ISR_OFFSET);
-	__raw_writel(value, dsp_wdt.reg_base + OMAP3_WDT3_ISR_OFFSET);
-
-	tasklet_schedule(&dsp_wdt.wdt3_tasklet);
-	return IRQ_HANDLED;
-}
-
-int dsp_wdt_init(void)
-{
-	int ret = 0;
-
-	dsp_wdt.sm_wdt = NULL;
-	dsp_wdt.reg_base = ioremap(OMAP34XX_WDT3_BASE, SZ_4K);
-	if (!dsp_wdt.reg_base)
-		return -ENOMEM;
-
-	tasklet_init(&dsp_wdt.wdt3_tasklet, dsp_wdt_dpc, 0);
-
-	dsp_wdt.fclk = clk_get(NULL, "wdt3_fck");
-
-	if (!IS_ERR(dsp_wdt.fclk)) {
-		clk_prepare(dsp_wdt.fclk);
-
-		dsp_wdt.iclk = clk_get(NULL, "wdt3_ick");
-		if (IS_ERR(dsp_wdt.iclk)) {
-			clk_put(dsp_wdt.fclk);
-			dsp_wdt.fclk = NULL;
-			ret = -EFAULT;
-		} else {
-			clk_prepare(dsp_wdt.iclk);
-		}
-	} else
-		ret = -EFAULT;
-
-	if (!ret)
-		ret = request_irq(INT_34XX_WDT3_IRQ, dsp_wdt_isr, 0,
-							"dsp_wdt", &dsp_wdt);
-
-	/* Disable at this moment, it will be enabled when DSP starts */
-	if (!ret)
-		disable_irq(INT_34XX_WDT3_IRQ);
-
-	return ret;
-}
-
-void dsp_wdt_sm_set(void *data)
-{
-	dsp_wdt.sm_wdt = data;
-	dsp_wdt.sm_wdt->wdt_overflow = 5;	/* in seconds */
-}
-
-
-void dsp_wdt_exit(void)
-{
-	free_irq(INT_34XX_WDT3_IRQ, &dsp_wdt);
-	tasklet_kill(&dsp_wdt.wdt3_tasklet);
-
-	if (dsp_wdt.fclk) {
-		clk_unprepare(dsp_wdt.fclk);
-		clk_put(dsp_wdt.fclk);
-	}
-	if (dsp_wdt.iclk) {
-		clk_unprepare(dsp_wdt.iclk);
-		clk_put(dsp_wdt.iclk);
-	}
-
-	dsp_wdt.fclk = NULL;
-	dsp_wdt.iclk = NULL;
-	dsp_wdt.sm_wdt = NULL;
-
-	if (dsp_wdt.reg_base)
-		iounmap(dsp_wdt.reg_base);
-	dsp_wdt.reg_base = NULL;
-}
-
-void dsp_wdt_enable(bool enable)
-{
-	u32 tmp;
-	static bool wdt_enable;
-
-	if (wdt_enable == enable || !dsp_wdt.fclk || !dsp_wdt.iclk)
-		return;
-
-	wdt_enable = enable;
-
-	if (enable) {
-		clk_enable(dsp_wdt.fclk);
-		clk_enable(dsp_wdt.iclk);
-		dsp_wdt.sm_wdt->wdt_setclocks = 1;
-		tmp = __raw_readl(dsp_wdt.reg_base + OMAP3_WDT3_ISR_OFFSET);
-		__raw_writel(tmp, dsp_wdt.reg_base + OMAP3_WDT3_ISR_OFFSET);
-		enable_irq(INT_34XX_WDT3_IRQ);
-	} else {
-		disable_irq(INT_34XX_WDT3_IRQ);
-		dsp_wdt.sm_wdt->wdt_setclocks = 0;
-		clk_disable(dsp_wdt.iclk);
-		clk_disable(dsp_wdt.fclk);
-	}
-}