add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/clocksource/sh_tmu.c
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@@ -1,16 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /*
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  * SuperH Timer Support - TMU
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  *
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  *  Copyright (C) 2009 Magnus Damm
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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  */
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 #include <linux/clk.h>
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@@ -31,6 +23,10 @@
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 #include <linux/sh_timer.h>
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 #include <linux/slab.h>
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 #include <linux/spinlock.h>
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+
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+#ifdef CONFIG_SUPERH
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+#include <asm/platform_early.h>
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+#endif
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 enum sh_tmu_model {
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 	SH_TMU,
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@@ -296,7 +292,7 @@
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 	if (--ch->enable_count == 0) {
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 		__sh_tmu_disable(ch);
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-		pm_genpd_syscore_poweroff(&ch->tmu->pdev->dev);
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+		dev_pm_genpd_suspend(&ch->tmu->pdev->dev);
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 	}
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 }
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@@ -308,7 +304,7 @@
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 		return;
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 	if (ch->enable_count++ == 0) {
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-		pm_genpd_syscore_poweron(&ch->tmu->pdev->dev);
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+		dev_pm_genpd_resume(&ch->tmu->pdev->dev);
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 		__sh_tmu_enable(ch);
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 	}
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 }
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@@ -398,12 +394,12 @@
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 static void sh_tmu_clock_event_suspend(struct clock_event_device *ced)
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 {
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-	pm_genpd_syscore_poweroff(&ced_to_sh_tmu(ced)->tmu->pdev->dev);
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+	dev_pm_genpd_suspend(&ced_to_sh_tmu(ced)->tmu->pdev->dev);
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 }
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 static void sh_tmu_clock_event_resume(struct clock_event_device *ced)
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 {
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-	pm_genpd_syscore_poweron(&ced_to_sh_tmu(ced)->tmu->pdev->dev);
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+	dev_pm_genpd_resume(&ced_to_sh_tmu(ced)->tmu->pdev->dev);
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 }
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 static void sh_tmu_register_clockevent(struct sh_tmu_channel *ch,
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@@ -470,11 +466,8 @@
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 		ch->base = tmu->mapbase + 8 + ch->index * 12;
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 	ch->irq = platform_get_irq(tmu->pdev, index);
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-	if (ch->irq < 0) {
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-		dev_err(&tmu->pdev->dev, "ch%u: failed to get irq\n",
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-			ch->index);
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+	if (ch->irq < 0)
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 		return ch->irq;
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-	}
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 	ch->cs_enabled = false;
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 	ch->enable_count = 0;
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@@ -493,7 +486,7 @@
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 		return -ENXIO;
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 	}
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-	tmu->mapbase = ioremap_nocache(res->start, resource_size(res));
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+	tmu->mapbase = ioremap(res->start, resource_size(res));
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 	if (tmu->mapbase == NULL)
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 		return -ENXIO;
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@@ -606,7 +599,7 @@
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 	struct sh_tmu_device *tmu = platform_get_drvdata(pdev);
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 	int ret;
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-	if (!is_early_platform_device(pdev)) {
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+	if (!is_sh_early_platform_device(pdev)) {
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 		pm_runtime_set_active(&pdev->dev);
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 		pm_runtime_enable(&pdev->dev);
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 	}
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@@ -626,7 +619,8 @@
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 		pm_runtime_idle(&pdev->dev);
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 		return ret;
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 	}
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-	if (is_early_platform_device(pdev))
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+
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+	if (is_sh_early_platform_device(pdev))
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 		return 0;
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  out:
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@@ -676,7 +670,10 @@
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 	platform_driver_unregister(&sh_tmu_device_driver);
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 }
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-early_platform_init("earlytimer", &sh_tmu_device_driver);
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+#ifdef CONFIG_SUPERH
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+sh_early_platform_init("earlytimer", &sh_tmu_device_driver);
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+#endif
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+
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 subsys_initcall(sh_tmu_init);
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 module_exit(sh_tmu_exit);
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