[RFC v1 09/11] genirq: Use helper function to access irq_data->msi_desc

Use helper function to access irq_data->msi_desc, so we could move msi_desc from struct irq_data into struct irq_common_data later. Signed-off-by: Jiang Liu --- arch/ia64/kernel/msi_ia64.c |2 +- arch/ia64/sn/kernel/msi_sn.c|2 +- arch/powerpc/sysdev/xics/ics-opal.c |

[RFC v1 09/11] genirq: Use helper function to access irq_data-msi_desc

Use helper function to access irq_data-msi_desc, so we could move msi_desc from struct irq_data into struct irq_common_data later. Signed-off-by: Jiang Liu jiang@linux.intel.com --- arch/ia64/kernel/msi_ia64.c |2 +- arch/ia64/sn/kernel/msi_sn.c|2 +-