enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/arch/arm/mach-omap2/cpuidle34xx.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * linux/arch/arm/mach-omap2/cpuidle34xx.c
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  *
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@@ -16,10 +17,6 @@
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  * Richard Woodruff <r-woodruff2@ti.com>
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  *
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  * Based on pm.c for omap2
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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 version 2 as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/sched.h>
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@@ -112,6 +109,7 @@
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 			    int index)
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 {
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 	struct omap3_idle_statedata *cx = &omap3_idle_data[index];
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+	int error;
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 	if (omap_irq_pending() || need_resched())
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 		goto return_sleep_time;
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@@ -128,8 +126,11 @@
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 	 * Call idle CPU PM enter notifier chain so that
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 	 * VFP context is saved.
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 	 */
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-	if (cx->mpu_state == PWRDM_POWER_OFF)
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-		cpu_pm_enter();
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+	if (cx->mpu_state == PWRDM_POWER_OFF) {
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+		error = cpu_pm_enter();
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+		if (error)
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+			goto out_clkdm_set;
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+	}
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 	/* Execute ARM wfi */
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 	omap_sram_idle();
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@@ -142,6 +143,7 @@
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 	    pwrdm_read_prev_pwrst(mpu_pd) == PWRDM_POWER_OFF)
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 		cpu_pm_exit();
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+out_clkdm_set:
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 	/* Re-allow idle for C1 */
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 	if (cx->flags & OMAP_CPUIDLE_CX_NO_CLKDM_IDLE)
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 		clkdm_allow_idle(mpu_pd->pwrdm_clkdms[0]);