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Message-Id: <1404872153-3594-7-git-send-email-fkan@apm.com>
Date: Tue, 8 Jul 2014 19:15:53 -0700
From: Feng Kan <fkan@....com>
To: dbaryshkov@...il.com, catalin.marinas@....com, dwmw2@...radead.org,
arnd@...db.de, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
patches@....com
Cc: Feng Kan <fkan@....com>
Subject: [PATCH V8 6/6] power: reset: Remove X-Gene reboot driver
Remove X-Gene reboot driver.
Signed-off-by: Feng Kan <fkan@....com>
---
drivers/power/reset/Kconfig | 7 ---
drivers/power/reset/Makefile | 1 -
drivers/power/reset/xgene-reboot.c | 103 -------------------------------------
3 files changed, 111 deletions(-)
delete mode 100644 drivers/power/reset/xgene-reboot.c
diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig
index 5877b38..f548f72 100644
--- a/drivers/power/reset/Kconfig
+++ b/drivers/power/reset/Kconfig
@@ -66,13 +66,6 @@ config POWER_RESET_VEXPRESS
Power off and reset support for the ARM Ltd. Versatile
Express boards.
-config POWER_RESET_XGENE
- bool "APM SoC X-Gene reset driver"
- depends on ARM64
- depends on POWER_RESET
- help
- Reboot support for the APM SoC X-Gene Eval boards.
-
config POWER_RESET_KEYSTONE
bool "Keystone reset driver"
depends on ARCH_KEYSTONE
diff --git a/drivers/power/reset/Makefile b/drivers/power/reset/Makefile
index b1b5ab3..62088d8 100644
--- a/drivers/power/reset/Makefile
+++ b/drivers/power/reset/Makefile
@@ -6,6 +6,5 @@ obj-$(CONFIG_POWER_RESET_QNAP) += qnap-poweroff.o
obj-$(CONFIG_POWER_RESET_RESTART) += restart-poweroff.o
obj-$(CONFIG_POWER_RESET_SUN6I) += sun6i-reboot.o
obj-$(CONFIG_POWER_RESET_VEXPRESS) += vexpress-poweroff.o
-obj-$(CONFIG_POWER_RESET_XGENE) += xgene-reboot.o
obj-$(CONFIG_POWER_RESET_KEYSTONE) += keystone-reset.o
obj-$(CONFIG_POWER_RESET_SYSCON) += syscon-reboot.o
diff --git a/drivers/power/reset/xgene-reboot.c b/drivers/power/reset/xgene-reboot.c
deleted file mode 100644
index ecd55f8..0000000
--- a/drivers/power/reset/xgene-reboot.c
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * AppliedMicro X-Gene SoC Reboot Driver
- *
- * Copyright (c) 2013, Applied Micro Circuits Corporation
- * Author: Feng Kan <fkan@....com>
- * Author: Loc Ho <lho@....com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- * This driver provides system reboot functionality for APM X-Gene SoC.
- * For system shutdown, this is board specify. If a board designer
- * implements GPIO shutdown, use the gpio-poweroff.c driver.
- */
-#include <linux/io.h>
-#include <linux/of_device.h>
-#include <linux/of_address.h>
-#include <linux/platform_device.h>
-#include <linux/stat.h>
-#include <linux/slab.h>
-#include <asm/system_misc.h>
-
-struct xgene_reboot_context {
- struct platform_device *pdev;
- void *csr;
- u32 mask;
-};
-
-static struct xgene_reboot_context *xgene_restart_ctx;
-
-static void xgene_restart(char str, const char *cmd)
-{
- struct xgene_reboot_context *ctx = xgene_restart_ctx;
- unsigned long timeout;
-
- /* Issue the reboot */
- if (ctx)
- writel(ctx->mask, ctx->csr);
-
- timeout = jiffies + HZ;
- while (time_before(jiffies, timeout))
- cpu_relax();
-
- dev_emerg(&ctx->pdev->dev, "Unable to restart system\n");
-}
-
-static int xgene_reboot_probe(struct platform_device *pdev)
-{
- struct xgene_reboot_context *ctx;
-
- ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
- if (!ctx) {
- dev_err(&pdev->dev, "out of memory for context\n");
- return -ENODEV;
- }
-
- ctx->csr = of_iomap(pdev->dev.of_node, 0);
- if (!ctx->csr) {
- devm_kfree(&pdev->dev, ctx);
- dev_err(&pdev->dev, "can not map resource\n");
- return -ENODEV;
- }
-
- if (of_property_read_u32(pdev->dev.of_node, "mask", &ctx->mask))
- ctx->mask = 0xFFFFFFFF;
-
- ctx->pdev = pdev;
- arm_pm_restart = xgene_restart;
- xgene_restart_ctx = ctx;
-
- return 0;
-}
-
-static struct of_device_id xgene_reboot_of_match[] = {
- { .compatible = "apm,xgene-reboot" },
- {}
-};
-
-static struct platform_driver xgene_reboot_driver = {
- .probe = xgene_reboot_probe,
- .driver = {
- .name = "xgene-reboot",
- .of_match_table = xgene_reboot_of_match,
- },
-};
-
-static int __init xgene_reboot_init(void)
-{
- return platform_driver_register(&xgene_reboot_driver);
-}
-device_initcall(xgene_reboot_init);
--
1.9.1
--
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