1 files changed, 0 insertions, 116 deletions
diff --git a/drivers/soc/brcmstb/biuctrl.c b/drivers/soc/brcmstb/biuctrl.c
deleted file mode 100644
index 9049c076f..000000000
--- a/drivers/soc/brcmstb/biuctrl.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * Broadcom STB SoCs Bus Unit Interface controls
- *
- * Copyright (C) 2015, Broadcom Corporation
- *
- * This program 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 program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#define pr_fmt(fmt)	"brcmstb: " KBUILD_MODNAME ": " fmt
-
-#include <linux/kernel.h>
-#include <linux/io.h>
-#include <linux/of_address.h>
-#include <linux/syscore_ops.h>
-
-#define CPU_CREDIT_REG_OFFSET			0x184
-#define  CPU_CREDIT_REG_MCPx_WR_PAIRING_EN_MASK	0x70000000
-
-static void __iomem *cpubiuctrl_base;
-static bool mcp_wr_pairing_en;
-
-static int __init mcp_write_pairing_set(void)
-{
-	u32 creds = 0;
-
-	if (!cpubiuctrl_base)
-		return -1;
-
-	creds = readl_relaxed(cpubiuctrl_base + CPU_CREDIT_REG_OFFSET);
-	if (mcp_wr_pairing_en) {
-		pr_info("MCP: Enabling write pairing\n");
-		writel_relaxed(creds | CPU_CREDIT_REG_MCPx_WR_PAIRING_EN_MASK,
-			     cpubiuctrl_base + CPU_CREDIT_REG_OFFSET);
-	} else if (creds & CPU_CREDIT_REG_MCPx_WR_PAIRING_EN_MASK) {
-		pr_info("MCP: Disabling write pairing\n");
-		writel_relaxed(creds & ~CPU_CREDIT_REG_MCPx_WR_PAIRING_EN_MASK,
-				cpubiuctrl_base + CPU_CREDIT_REG_OFFSET);
-	} else {
-		pr_info("MCP: Write pairing already disabled\n");
-	}
-
-	return 0;
-}
-
-static int __init setup_hifcpubiuctrl_regs(void)
-{
-	struct device_node *np;
-	int ret = 0;
-
-	np = of_find_compatible_node(NULL, NULL, "brcm,brcmstb-cpu-biu-ctrl");
-	if (!np) {
-		pr_err("missing BIU control node\n");
-		return -ENODEV;
-	}
-
-	cpubiuctrl_base = of_iomap(np, 0);
-	if (!cpubiuctrl_base) {
-		pr_err("failed to remap BIU control base\n");
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	mcp_wr_pairing_en = of_property_read_bool(np, "brcm,write-pairing");
-out:
-	of_node_put(np);
-	return ret;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static u32 cpu_credit_reg_dump;  /* for save/restore */
-
-static int brcmstb_cpu_credit_reg_suspend(void)
-{
-	if (cpubiuctrl_base)
-		cpu_credit_reg_dump =
-			readl_relaxed(cpubiuctrl_base + CPU_CREDIT_REG_OFFSET);
-	return 0;
-}
-
-static void brcmstb_cpu_credit_reg_resume(void)
-{
-	if (cpubiuctrl_base)
-		writel_relaxed(cpu_credit_reg_dump,
-				cpubiuctrl_base + CPU_CREDIT_REG_OFFSET);
-}
-
-static struct syscore_ops brcmstb_cpu_credit_syscore_ops = {
-	.suspend = brcmstb_cpu_credit_reg_suspend,
-	.resume = brcmstb_cpu_credit_reg_resume,
-};
-#endif
-
-
-void __init brcmstb_biuctrl_init(void)
-{
-	int ret;
-
-	setup_hifcpubiuctrl_regs();
-
-	ret = mcp_write_pairing_set();
-	if (ret) {
-		pr_err("MCP: Unable to disable write pairing!\n");
-		return;
-	}
-
-#ifdef CONFIG_PM_SLEEP
-	register_syscore_ops(&brcmstb_cpu_credit_syscore_ops);
-#endif
-}