drivers/irqchip/irq-ls-scfg-msi.c

55 	struct ls_scfg_msir	*msir;
121 	if (msi_data->msir[cpu].gic_irq <= 0) {
196 	struct ls_scfg_msir *msir = irq_desc_get_handler_data(desc);
197 	struct ls_scfg_msi *msi_data = msir->msi_data;
203 	val = ioread32be(msir->reg);
205 	pos = msir->bit_start;
206 	size = msir->bit_end + 1;
209 		hwirq = ((msir->bit_end - pos) << msi_data->cfg->ibs_shift) |
210 			msir->srs;
237 	struct ls_scfg_msir *msir;
244 	msir = &msi_data->msir[index];
245 	msir->index = index;
246 	msir->msi_data = msi_data;
247 	msir->gic_irq = virq;
248 	msir->reg = msi_data->regs + msi_data->cfg->msir_base + 4 * index;
251 		msir->bit_start = 32 - ((msir->index + 1) *
253 		msir->bit_end = msir->bit_start +
256 		msir->bit_start = 0;
257 		msir->bit_end = msi_data->cfg->msir_irqs - 1;
260 	irq_set_chained_handler_and_data(msir->gic_irq,
262 					 msir);
266 		irq_set_affinity(msir->gic_irq, get_cpu_mask(index));
267 		msir->srs = 0; /* This value is determined by the CPU */
269 		msir->srs = index;
272 	if (!msi_affinity_flag || msir->index == 0) {
274 			hwirq = i << msi_data->cfg->ibs_shift | msir->index;
282 static int ls_scfg_msi_teardown_hwirq(struct ls_scfg_msir *msir)
284 	struct ls_scfg_msi *msi_data = msir->msi_data;
287 	if (msir->gic_irq > 0)
288 		irq_set_chained_handler_and_data(msir->gic_irq, NULL, NULL);
291 		hwirq = i << msi_data->cfg->ibs_shift | msir->index;
377 	msi_data->msir = devm_kcalloc(&pdev->dev, msi_data->msir_num,
378 				      sizeof(*msi_data->msir),
380 	if (!msi_data->msir)
401 		ls_scfg_msi_teardown_hwirq(&msi_data->msir[i]);