Update Linux to v5.4.148

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.148.tar.gz

Change-Id: Ib3d26c5ba9b022e2e03533005c4fed4d7c30b61b
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 583e7ab..824d7a1 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -191,7 +191,7 @@
 	IRQ_DOMAIN_FLAG_HIERARCHY	= (1 << 0),
 
 	/* Irq domain name was allocated in __irq_domain_add() */
-	IRQ_DOMAIN_NAME_ALLOCATED	= (1 << 6),
+	IRQ_DOMAIN_NAME_ALLOCATED	= (1 << 1),
 
 	/* Irq domain is an IPI domain with virq per cpu */
 	IRQ_DOMAIN_FLAG_IPI_PER_CPU	= (1 << 2),
@@ -206,6 +206,13 @@
 	IRQ_DOMAIN_FLAG_MSI_REMAP	= (1 << 5),
 
 	/*
+	 * Quirk to handle MSI implementations which do not provide
+	 * masking. Currently known to affect x86, but partially
+	 * handled in core code.
+	 */
+	IRQ_DOMAIN_MSI_NOMASK_QUIRK	= (1 << 6),
+
+	/*
 	 * Flags starting from IRQ_DOMAIN_FLAG_NONCORE are reserved
 	 * for implementation specific purposes and ignored by the
 	 * core code.
@@ -375,11 +382,19 @@
 extern void irq_domain_disassociate(struct irq_domain *domain,
 				    unsigned int irq);
 
-extern unsigned int irq_create_mapping(struct irq_domain *host,
-				       irq_hw_number_t hwirq);
+extern unsigned int irq_create_mapping_affinity(struct irq_domain *host,
+				      irq_hw_number_t hwirq,
+				      const struct irq_affinity_desc *affinity);
 extern unsigned int irq_create_fwspec_mapping(struct irq_fwspec *fwspec);
 extern void irq_dispose_mapping(unsigned int virq);
 
+static inline unsigned int irq_create_mapping(struct irq_domain *host,
+					      irq_hw_number_t hwirq)
+{
+	return irq_create_mapping_affinity(host, hwirq, NULL);
+}
+
+
 /**
  * irq_linear_revmap() - Find a linux irq from a hw irq number.
  * @domain: domain owning this hardware interrupt