add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/ata/ahci_platform.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * AHCI SATA platform driver
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  *
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@@ -5,11 +6,6 @@
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  *   Jeff Garzik <jgarzik@pobox.com>
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  * Copyright 2010  MontaVista Software, LLC.
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  *   Anton Vorontsov <avorontsov@ru.mvista.com>
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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, or (at your option)
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- * any later version.
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  */
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 #include <linux/kernel.h>
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@@ -66,6 +62,9 @@
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 	if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci"))
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 		hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ;
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+	if (of_device_is_compatible(dev->of_node, "rockchip,rk-ahci"))
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+		hpriv->flags |= AHCI_HFLAG_YES_FBS;
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+
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 	port = acpi_device_get_match_data(dev);
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 	if (!port)
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 		port = &ahci_port_info;
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@@ -92,6 +91,7 @@
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 	{ .compatible = "snps,dwc-ahci", },
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 	{ .compatible = "hisilicon,hisi-ahci", },
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 	{ .compatible = "cavium,octeon-7130-ahci", },
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+	{ .compatible = "rockchip,rk-ahci", },
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 	{},
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 };
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 MODULE_DEVICE_TABLE(of, ahci_of_match);