add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/parisc/gsc.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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  * Interrupt management for most GSC and related devices.
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  *
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@@ -6,11 +7,6 @@
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  * (c) Copyright 1999 Matthew Wilcox
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  * (c) Copyright 2000 Helge Deller
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  * (c) Copyright 2001 Matthew Wilcox for Hewlett-Packard
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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, or
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- *      (at your option) any later version.
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  */
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 #include <linux/bitops.h>
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@@ -139,10 +135,41 @@
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 	 */
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 }
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+#ifdef CONFIG_SMP
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+static int gsc_set_affinity_irq(struct irq_data *d, const struct cpumask *dest,
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+				bool force)
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+{
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+	struct gsc_asic *gsc_dev = irq_data_get_irq_chip_data(d);
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+	struct cpumask tmask;
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+	int cpu_irq;
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+
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+	if (!cpumask_and(&tmask, dest, cpu_online_mask))
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+		return -EINVAL;
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+
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+	cpu_irq = cpu_check_affinity(d, &tmask);
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+	if (cpu_irq < 0)
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+		return cpu_irq;
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+
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+	gsc_dev->gsc_irq.txn_addr = txn_affinity_addr(d->irq, cpu_irq);
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+	gsc_dev->eim = ((u32) gsc_dev->gsc_irq.txn_addr) | gsc_dev->gsc_irq.txn_data;
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+
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+	/* switch IRQ's for devices below LASI/WAX to other CPU */
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+	gsc_writel(gsc_dev->eim, gsc_dev->hpa + OFFSET_IAR);
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+
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+	irq_data_update_effective_affinity(d, &tmask);
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+
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+	return IRQ_SET_MASK_OK;
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+}
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+#endif
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+
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+
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 static struct irq_chip gsc_asic_interrupt_type = {
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 	.name		=	"GSC-ASIC",
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 	.irq_unmask	=	gsc_asic_unmask_irq,
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 	.irq_mask	=	gsc_asic_mask_irq,
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+#ifdef CONFIG_SMP
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+	.irq_set_affinity =	gsc_set_affinity_irq,
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+#endif
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 };
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 int gsc_assign_irq(struct irq_chip *type, void *data)