65 static int tegra_mc_setup_latency_allowance(struct tegra_mc *mc)  in tegra_mc_setup_latency_allowance()  argument
72 	tick = mc->tick * clk_get_rate(mc->clk);  in tegra_mc_setup_latency_allowance()
75 	value = readl(mc->regs + MC_EMEM_ARB_CFG);  in tegra_mc_setup_latency_allowance()
78 	writel(value, mc->regs + MC_EMEM_ARB_CFG);  in tegra_mc_setup_latency_allowance()
81 	for (i = 0; i < mc->soc->num_clients; i++) {  in tegra_mc_setup_latency_allowance()
82 		const struct tegra_mc_la *la = &mc->soc->clients[i].la;  in tegra_mc_setup_latency_allowance()
85 		value = readl(mc->regs + la->reg);  in tegra_mc_setup_latency_allowance()
88 		writel(value, mc->regs + la->reg);  in tegra_mc_setup_latency_allowance()
115 	struct tegra_mc *mc = data;  in tegra_mc_irq()  local
120 	status = mc_readl(mc, MC_INTSTATUS);  in tegra_mc_irq()
121 	mask = mc_readl(mc, MC_INTMASK);  in tegra_mc_irq()
133 		value = mc_readl(mc, MC_ERR_STATUS);  in tegra_mc_irq()
136 		if (mc->soc->num_address_bits > 32) {  in tegra_mc_irq()
155 		for (i = 0; i < mc->soc->num_clients; i++) {  in tegra_mc_irq()
156 			if (mc->soc->clients[i].id == id) {  in tegra_mc_irq()
157 				client = mc->soc->clients[i].name;  in tegra_mc_irq()
195 		value = mc_readl(mc, MC_ERR_ADR);  in tegra_mc_irq()
198 		dev_err_ratelimited(mc->dev, "%s: %s%s @%pa: %s (%s%s)\n",  in tegra_mc_irq()
204 	mc_writel(mc, status, MC_INTSTATUS);  in tegra_mc_irq()
213 	struct tegra_mc *mc;  in tegra_mc_probe()  local
221 	mc = devm_kzalloc(&pdev->dev, sizeof(*mc), GFP_KERNEL);  in tegra_mc_probe()
222 	if (!mc)  in tegra_mc_probe()
225 	platform_set_drvdata(pdev, mc);  in tegra_mc_probe()
226 	mc->soc = match->data;  in tegra_mc_probe()
227 	mc->dev = &pdev->dev;  in tegra_mc_probe()
230 	mc->tick = 30;  in tegra_mc_probe()
233 	mc->regs = devm_ioremap_resource(&pdev->dev, res);  in tegra_mc_probe()
234 	if (IS_ERR(mc->regs))  in tegra_mc_probe()
235 		return PTR_ERR(mc->regs);  in tegra_mc_probe()
237 	mc->clk = devm_clk_get(&pdev->dev, "mc");  in tegra_mc_probe()
238 	if (IS_ERR(mc->clk)) {  in tegra_mc_probe()
240 			PTR_ERR(mc->clk));  in tegra_mc_probe()
241 		return PTR_ERR(mc->clk);  in tegra_mc_probe()
244 	err = tegra_mc_setup_latency_allowance(mc);  in tegra_mc_probe()
252 		mc->smmu = tegra_smmu_probe(&pdev->dev, mc->soc->smmu, mc);  in tegra_mc_probe()
253 		if (IS_ERR(mc->smmu)) {  in tegra_mc_probe()
255 				PTR_ERR(mc->smmu));  in tegra_mc_probe()
256 			return PTR_ERR(mc->smmu);  in tegra_mc_probe()
260 	mc->irq = platform_get_irq(pdev, 0);  in tegra_mc_probe()
261 	if (mc->irq < 0) {  in tegra_mc_probe()
263 		return mc->irq;  in tegra_mc_probe()
266 	err = devm_request_irq(&pdev->dev, mc->irq, tegra_mc_irq, IRQF_SHARED,  in tegra_mc_probe()
267 			       dev_name(&pdev->dev), mc);  in tegra_mc_probe()
269 		dev_err(&pdev->dev, "failed to request IRQ#%u: %d\n", mc->irq,  in tegra_mc_probe()
278 	mc_writel(mc, value, MC_INTMASK);  in tegra_mc_probe()