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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
[cascardo/linux.git] / arch / s390 / kernel / irq.c
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 99b0b09..8eb8244 100644 (file)
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -30,6 +30,7 @@ DEFINE_PER_CPU_SHARED_ALIGNED(struct irq_stat, irq_stat);
 EXPORT_PER_CPU_SYMBOL_GPL(irq_stat);
 
 struct irq_class {
+       int irq;
        char *name;
        char *desc;
 };
@@ -45,9 +46,9 @@ struct irq_class {
  * up with having a sum which accounts each interrupt twice.
  */
 static const struct irq_class irqclass_main_desc[NR_IRQS_BASE] = {
-       [EXT_INTERRUPT]  = {.name = "EXT"},
-       [IO_INTERRUPT]   = {.name = "I/O"},
-       [THIN_INTERRUPT] = {.name = "AIO"},
+       {.irq = EXT_INTERRUPT,  .name = "EXT"},
+       {.irq = IO_INTERRUPT,   .name = "I/O"},
+       {.irq = THIN_INTERRUPT, .name = "AIO"},
 };
 
 /*
@@ -56,38 +57,38 @@ static const struct irq_class irqclass_main_desc[NR_IRQS_BASE] = {
  * In addition this list contains non external / I/O events like NMIs.
  */
 static const struct irq_class irqclass_sub_desc[NR_ARCH_IRQS] = {
-       [IRQEXT_CLK] = {.name = "CLK", .desc = "[EXT] Clock Comparator"},
-       [IRQEXT_EXC] = {.name = "EXC", .desc = "[EXT] External Call"},
-       [IRQEXT_EMS] = {.name = "EMS", .desc = "[EXT] Emergency Signal"},
-       [IRQEXT_TMR] = {.name = "TMR", .desc = "[EXT] CPU Timer"},
-       [IRQEXT_TLA] = {.name = "TAL", .desc = "[EXT] Timing Alert"},
-       [IRQEXT_PFL] = {.name = "PFL", .desc = "[EXT] Pseudo Page Fault"},
-       [IRQEXT_DSD] = {.name = "DSD", .desc = "[EXT] DASD Diag"},
-       [IRQEXT_VRT] = {.name = "VRT", .desc = "[EXT] Virtio"},
-       [IRQEXT_SCP] = {.name = "SCP", .desc = "[EXT] Service Call"},
-       [IRQEXT_IUC] = {.name = "IUC", .desc = "[EXT] IUCV"},
-       [IRQEXT_CMS] = {.name = "CMS", .desc = "[EXT] CPU-Measurement: Sampling"},
-       [IRQEXT_CMC] = {.name = "CMC", .desc = "[EXT] CPU-Measurement: Counter"},
-       [IRQEXT_CMR] = {.name = "CMR", .desc = "[EXT] CPU-Measurement: RI"},
-       [IRQIO_CIO]  = {.name = "CIO", .desc = "[I/O] Common I/O Layer Interrupt"},
-       [IRQIO_QAI]  = {.name = "QAI", .desc = "[I/O] QDIO Adapter Interrupt"},
-       [IRQIO_DAS]  = {.name = "DAS", .desc = "[I/O] DASD"},
-       [IRQIO_C15]  = {.name = "C15", .desc = "[I/O] 3215"},
-       [IRQIO_C70]  = {.name = "C70", .desc = "[I/O] 3270"},
-       [IRQIO_TAP]  = {.name = "TAP", .desc = "[I/O] Tape"},
-       [IRQIO_VMR]  = {.name = "VMR", .desc = "[I/O] Unit Record Devices"},
-       [IRQIO_LCS]  = {.name = "LCS", .desc = "[I/O] LCS"},
-       [IRQIO_CLW]  = {.name = "CLW", .desc = "[I/O] CLAW"},
-       [IRQIO_CTC]  = {.name = "CTC", .desc = "[I/O] CTC"},
-       [IRQIO_APB]  = {.name = "APB", .desc = "[I/O] AP Bus"},
-       [IRQIO_ADM]  = {.name = "ADM", .desc = "[I/O] EADM Subchannel"},
-       [IRQIO_CSC]  = {.name = "CSC", .desc = "[I/O] CHSC Subchannel"},
-       [IRQIO_PCI]  = {.name = "PCI", .desc = "[I/O] PCI Interrupt" },
-       [IRQIO_MSI]  = {.name = "MSI", .desc = "[I/O] MSI Interrupt" },
-       [IRQIO_VIR]  = {.name = "VIR", .desc = "[I/O] Virtual I/O Devices"},
-       [IRQIO_VAI]  = {.name = "VAI", .desc = "[I/O] Virtual I/O Devices AI"},
-       [NMI_NMI]    = {.name = "NMI", .desc = "[NMI] Machine Check"},
-       [CPU_RST]    = {.name = "RST", .desc = "[CPU] CPU Restart"},
+       {.irq = IRQEXT_CLK, .name = "CLK", .desc = "[EXT] Clock Comparator"},
+       {.irq = IRQEXT_EXC, .name = "EXC", .desc = "[EXT] External Call"},
+       {.irq = IRQEXT_EMS, .name = "EMS", .desc = "[EXT] Emergency Signal"},
+       {.irq = IRQEXT_TMR, .name = "TMR", .desc = "[EXT] CPU Timer"},
+       {.irq = IRQEXT_TLA, .name = "TAL", .desc = "[EXT] Timing Alert"},
+       {.irq = IRQEXT_PFL, .name = "PFL", .desc = "[EXT] Pseudo Page Fault"},
+       {.irq = IRQEXT_DSD, .name = "DSD", .desc = "[EXT] DASD Diag"},
+       {.irq = IRQEXT_VRT, .name = "VRT", .desc = "[EXT] Virtio"},
+       {.irq = IRQEXT_SCP, .name = "SCP", .desc = "[EXT] Service Call"},
+       {.irq = IRQEXT_IUC, .name = "IUC", .desc = "[EXT] IUCV"},
+       {.irq = IRQEXT_CMS, .name = "CMS", .desc = "[EXT] CPU-Measurement: Sampling"},
+       {.irq = IRQEXT_CMC, .name = "CMC", .desc = "[EXT] CPU-Measurement: Counter"},
+       {.irq = IRQEXT_CMR, .name = "CMR", .desc = "[EXT] CPU-Measurement: RI"},
+       {.irq = IRQIO_CIO,  .name = "CIO", .desc = "[I/O] Common I/O Layer Interrupt"},
+       {.irq = IRQIO_QAI,  .name = "QAI", .desc = "[I/O] QDIO Adapter Interrupt"},
+       {.irq = IRQIO_DAS,  .name = "DAS", .desc = "[I/O] DASD"},
+       {.irq = IRQIO_C15,  .name = "C15", .desc = "[I/O] 3215"},
+       {.irq = IRQIO_C70,  .name = "C70", .desc = "[I/O] 3270"},
+       {.irq = IRQIO_TAP,  .name = "TAP", .desc = "[I/O] Tape"},
+       {.irq = IRQIO_VMR,  .name = "VMR", .desc = "[I/O] Unit Record Devices"},
+       {.irq = IRQIO_LCS,  .name = "LCS", .desc = "[I/O] LCS"},
+       {.irq = IRQIO_CLW,  .name = "CLW", .desc = "[I/O] CLAW"},
+       {.irq = IRQIO_CTC,  .name = "CTC", .desc = "[I/O] CTC"},
+       {.irq = IRQIO_APB,  .name = "APB", .desc = "[I/O] AP Bus"},
+       {.irq = IRQIO_ADM,  .name = "ADM", .desc = "[I/O] EADM Subchannel"},
+       {.irq = IRQIO_CSC,  .name = "CSC", .desc = "[I/O] CHSC Subchannel"},
+       {.irq = IRQIO_PCI,  .name = "PCI", .desc = "[I/O] PCI Interrupt" },
+       {.irq = IRQIO_MSI,  .name = "MSI", .desc = "[I/O] MSI Interrupt" },
+       {.irq = IRQIO_VIR,  .name = "VIR", .desc = "[I/O] Virtual I/O Devices"},
+       {.irq = IRQIO_VAI,  .name = "VAI", .desc = "[I/O] Virtual I/O Devices AI"},
+       {.irq = NMI_NMI,    .name = "NMI", .desc = "[NMI] Machine Check"},
+       {.irq = CPU_RST,    .name = "RST", .desc = "[CPU] CPU Restart"},
 };
 
 void __init init_IRQ(void)
@@ -116,33 +117,37 @@ void do_IRQ(struct pt_regs *regs, int irq)
  */
 int show_interrupts(struct seq_file *p, void *v)
 {
-       int irq = *(loff_t *) v;
-       int cpu;
+       int index = *(loff_t *) v;
+       int cpu, irq;
 
        get_online_cpus();
-       if (irq == 0) {
+       if (index == 0) {
                seq_puts(p, "           ");
                for_each_online_cpu(cpu)
                        seq_printf(p, "CPU%d       ", cpu);
                seq_putc(p, '\n');
                goto out;
        }
-       if (irq < NR_IRQS) {
-               if (irq >= NR_IRQS_BASE)
+       if (index < NR_IRQS) {
+               if (index >= NR_IRQS_BASE)
                        goto out;
-               seq_printf(p, "%s: ", irqclass_main_desc[irq].name);
+               /* Adjust index to process irqclass_main_desc array entries */
+               index--;
+               seq_printf(p, "%s: ", irqclass_main_desc[index].name);
+               irq = irqclass_main_desc[index].irq;
                for_each_online_cpu(cpu)
                        seq_printf(p, "%10u ", kstat_irqs_cpu(irq, cpu));
                seq_putc(p, '\n');
                goto out;
        }
-       for (irq = 0; irq < NR_ARCH_IRQS; irq++) {
-               seq_printf(p, "%s: ", irqclass_sub_desc[irq].name);
+       for (index = 0; index < NR_ARCH_IRQS; index++) {
+               seq_printf(p, "%s: ", irqclass_sub_desc[index].name);
+               irq = irqclass_sub_desc[index].irq;
                for_each_online_cpu(cpu)
                        seq_printf(p, "%10u ",
                                   per_cpu(irq_stat, cpu).irqs[irq]);
-               if (irqclass_sub_desc[irq].desc)
-                       seq_printf(p, "  %s", irqclass_sub_desc[irq].desc);
+               if (irqclass_sub_desc[index].desc)
+                       seq_printf(p, "  %s", irqclass_sub_desc[index].desc);
                seq_putc(p, '\n');
        }
 out:
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