enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/drivers/mmc/host/sdhci-xenon.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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  * Driver for Marvell Xenon SDHC as a platform device
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  *
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@@ -5,10 +6,6 @@
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  *
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  * Author:	Hu Ziji <huziji@marvell.com>
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  * Date:	2016-8-24
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License as
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- * published by the Free Software Foundation version 2.
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  *
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  * Inspired by Jisheng Zhang <jszhang@marvell.com>
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  * Special thanks to Video BG4 project team.
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@@ -243,16 +240,6 @@
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 {
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 	/* Wait for 5ms after set 1.8V signal enable bit */
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 	usleep_range(5000, 5500);
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-
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-	/*
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-	 * For some reason the controller's Host Control2 register reports
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-	 * the bit representing 1.8V signaling as 0 when read after it was
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-	 * written as 1. Subsequent read reports 1.
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-	 *
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-	 * Since this may cause some issues, do an empty read of the Host
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-	 * Control2 register here to circumvent this.
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-	 */
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-	sdhci_readw(host, SDHCI_HOST_CONTROL2);
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 }
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 static const struct sdhci_ops sdhci_xenon_ops = {
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@@ -656,7 +643,7 @@
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 		priv->restore_needed = false;
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 	}
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-	ret = sdhci_runtime_resume_host(host);
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+	ret = sdhci_runtime_resume_host(host, 0);
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 	if (ret)
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 		goto out;
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 	return 0;
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@@ -685,6 +672,7 @@
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 static struct platform_driver sdhci_xenon_driver = {
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 	.driver	= {
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 		.name	= "xenon-sdhci",
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+		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
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 		.of_match_table = sdhci_xenon_dt_ids,
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 		.pm = &sdhci_xenon_dev_pm_ops,
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 	},