add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/irqchip/qcom-irq-combiner.c
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@@ -1,13 +1,5 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
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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 and
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- * only version 2 as published by the Free Software Foundation.
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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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 /*
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@@ -41,7 +33,7 @@
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 	int                 parent_irq;
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 	u32                 nirqs;
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 	u32                 nregs;
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-	struct combiner_reg regs[0];
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+	struct combiner_reg regs[];
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 };
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 static inline int irq_nr(u32 reg, u32 bit)
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@@ -237,7 +229,6 @@
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 static int __init combiner_probe(struct platform_device *pdev)
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 {
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 	struct combiner *combiner;
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-	size_t alloc_sz;
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 	int nregs;
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 	int err;
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@@ -247,8 +238,8 @@
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 		return -EINVAL;
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 	}
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-	alloc_sz = sizeof(*combiner) + sizeof(struct combiner_reg) * nregs;
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-	combiner = devm_kzalloc(&pdev->dev, alloc_sz, GFP_KERNEL);
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+	combiner = devm_kzalloc(&pdev->dev, struct_size(combiner, regs, nregs),
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+				GFP_KERNEL);
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 	if (!combiner)
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 		return -ENOMEM;
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@@ -257,10 +248,8 @@
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 		return err;
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 	combiner->parent_irq = platform_get_irq(pdev, 0);
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-	if (combiner->parent_irq <= 0) {
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-		dev_err(&pdev->dev, "Error getting IRQ resource\n");
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+	if (combiner->parent_irq <= 0)
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 		return -EPROBE_DEFER;
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-	}
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 	combiner->domain = irq_domain_create_linear(pdev->dev.fwnode, combiner->nirqs,
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 						    &domain_ops, combiner);