powerpc/xive: add the HW IRQ number under xive_irq_data

It will be required later by the H_INT_ESB hcall.

Signed-off-by: Cédric Le Goater <[e-mail]>
Acked-by: Benjamin Herrenschmidt <[e-mail]>
Signed-off-by: Michael Ellerman <[e-mail]>

arch/powerpc/include/asm/xive.h

···
 	void __iomem *trig_mmio;
 	u32 esb_shift;
 	int src_chip;
+	u32 hw_irq;
 
 	/* Setup/used by frontend */
 	int target;

arch/powerpc/sysdev/xive/native.c

···
 		return -ENOMEM;
 	}
 
+	data->hw_irq = hw_irq;
+
 	if (!data->trig_page)
 		return 0;
 	if (data->trig_page == data->eoi_page) {

arch/powerpc/sysdev/xive/spapr.c

···
 		return -ENOMEM;
 	}
 
+	data->hw_irq = hw_irq;
+
 	/* Full function page supports trigger */
 	if (flags & XIVE_SRC_TRIGGER) {
 		data->trig_mmio = data->eoi_mmio;