genirq/generic-chip: Fix the irq_chip name for /proc/interrupts

irq_init_generic_chip() only sets the name for the first chip type, which
leads to empty names for other chip types.  Eventually, these names will be
shown as "-" /proc/interrupts.

Set the name for all chip types by default.

Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20230925121734.93017-1-keguang.zhang@gmail.com

kernel/irq/generic-chip.c

@@ -219,11 +219,15 @@ void irq_init_generic_chip(struct irq_chip_generic *gc, const char *name,
 			   int num_ct, unsigned int irq_base,
 			   void __iomem *reg_base, irq_flow_handler_t handler)
 {
+	struct irq_chip_type *ct = gc->chip_types;
+	int i;
+
 	raw_spin_lock_init(&gc->lock);
 	gc->num_ct = num_ct;
 	gc->irq_base = irq_base;
 	gc->reg_base = reg_base;
-	gc->chip_types->chip.name = name;
+	for (i = 0; i < num_ct; i++)
+		ct[i].chip.name = name;
 	gc->chip_types->handler = handler;
 }