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

55 	struct ls_scfg_msir	*msir;
121 	if (msi_data->msir[cpu].gic_irq <= 0) {
195 	struct ls_scfg_msir *msir = irq_desc_get_handler_data(desc);
196 	struct ls_scfg_msi *msi_data = msir->msi_data;
202 	val = ioread32be(msir->reg);
204 	pos = msir->bit_start;
205 	size = msir->bit_end + 1;
208 		hwirq = ((msir->bit_end - pos) << msi_data->cfg->ibs_shift) |
209 			msir->srs;
243 	struct ls_scfg_msir *msir;
250 	msir = &msi_data->msir[index];
251 	msir->index = index;
252 	msir->msi_data = msi_data;
253 	msir->gic_irq = virq;
254 	msir->reg = msi_data->regs + msi_data->cfg->msir_base + 4 * index;
257 		msir->bit_start = 32 - ((msir->index + 1) *
259 		msir->bit_end = msir->bit_start +
262 		msir->bit_start = 0;
263 		msir->bit_end = msi_data->cfg->msir_irqs - 1;
266 	irq_set_chained_handler_and_data(msir->gic_irq,
268 					 msir);
272 		irq_set_affinity(msir->gic_irq, get_cpu_mask(index));
273 		msir->srs = 0; /* This value is determined by the CPU */
275 		msir->srs = index;
278 	if (!msi_affinity_flag || msir->index == 0) {
280 			hwirq = i << msi_data->cfg->ibs_shift | msir->index;
288 static int ls_scfg_msi_teardown_hwirq(struct ls_scfg_msir *msir)
290 	struct ls_scfg_msi *msi_data = msir->msi_data;
293 	if (msir->gic_irq > 0)
294 		irq_set_chained_handler_and_data(msir->gic_irq, NULL, NULL);
297 		hwirq = i << msi_data->cfg->ibs_shift | msir->index;
383 	msi_data->msir = devm_kcalloc(&pdev->dev, msi_data->msir_num,
384 				      sizeof(*msi_data->msir),
386 	if (!msi_data->msir)
407 		ls_scfg_msi_teardown_hwirq(&msi_data->msir[i]);