add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/soc/fsl/qbman/bman_portal.c
..
..
@@ -32,6 +32,7 @@
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32
 
33
33
 static struct bman_portal *affine_bportals[NR_CPUS];
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34
 static struct cpumask portal_cpus;
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+static int __bman_portals_probed;
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36
 /* protect bman global registers and global data shared among portals */
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37
 static DEFINE_SPINLOCK(bman_lock);
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38
 
..
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@@ -65,7 +66,9 @@
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 	if (!pcfg)
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 		return 0;
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68
 
68
-	irq_set_affinity(pcfg->irq, cpumask_of(0));
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+	/* use any other online CPU */
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+	cpu = cpumask_any_but(cpu_online_mask, cpu);
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+	irq_set_affinity(pcfg->irq, cpumask_of(cpu));
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72
 	return 0;
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73
 }
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74
 
..
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@@ -85,13 +88,19 @@
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 	return 0;
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89
 }
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90
 
91
+int bman_portals_probed(void)
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+{
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+	return __bman_portals_probed;
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+}
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+EXPORT_SYMBOL_GPL(bman_portals_probed);
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+
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 static int bman_portal_probe(struct platform_device *pdev)
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98
 {
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 	struct device *dev = &pdev->dev;
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100
 	struct device_node *node = dev->of_node;
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 	struct bm_portal_config *pcfg;
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102
 	struct resource *addr_phys[2];
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-	int irq, cpu, err;
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+	int irq, cpu, err, i;
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104
 
96
105
 	err = bman_is_probed();
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106
 	if (!err)
..
..
@@ -102,8 +111,10 @@
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111
 	}
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112
 
104
113
 	pcfg = devm_kmalloc(dev, sizeof(*pcfg), GFP_KERNEL);
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-	if (!pcfg)
114
+	if (!pcfg) {
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+		__bman_portals_probed = -1;
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116
 		return -ENOMEM;
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+	}
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118
 
108
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 	pcfg->dev = dev;
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120
 
..
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@@ -111,23 +122,21 @@
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 					     DPAA_PORTAL_CE);
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123
 	if (!addr_phys[0]) {
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 		dev_err(dev, "Can't get %pOF property 'reg::CE'\n", node);
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-		return -ENXIO;
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+		goto err_ioremap1;
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126
 	}
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127
 
117
128
 	addr_phys[1] = platform_get_resource(pdev, IORESOURCE_MEM,
118
129
 					     DPAA_PORTAL_CI);
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 	if (!addr_phys[1]) {
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 		dev_err(dev, "Can't get %pOF property 'reg::CI'\n", node);
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-		return -ENXIO;
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+		goto err_ioremap1;
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133
 	}
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134
 
124
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 	pcfg->cpu = -1;
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136
 
126
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 	irq = platform_get_irq(pdev, 0);
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-	if (irq <= 0) {
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-		dev_err(dev, "Can't get %pOF IRQ'\n", node);
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-		return -ENXIO;
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-	}
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+	if (irq <= 0)
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+		goto err_ioremap1;
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140
 	pcfg->irq = irq;
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141
 
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142
 	pcfg->addr_virt_ce = memremap(addr_phys[0]->start,
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@@ -148,6 +157,7 @@
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 	spin_lock(&bman_lock);
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158
 	cpu = cpumask_next_zero(-1, &portal_cpus);
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159
 	if (cpu >= nr_cpu_ids) {
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+		__bman_portals_probed = 1;
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 		/* unassigned portal, skip init */
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 		spin_unlock(&bman_lock);
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 		return 0;
..
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@@ -166,6 +176,22 @@
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 	if (!cpu_online(cpu))
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177
 		bman_offline_cpu(cpu);
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178
 
179
+	if (__bman_portals_probed == 1 && bman_requires_cleanup()) {
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+		/*
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+		 * BMan wasn't reset prior to boot (Kexec for example)
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+		 * Empty all the buffer pools so they are in reset state
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+		 */
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+		for (i = 0; i < BM_POOL_MAX; i++) {
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+			err =  bm_shutdown_pool(i);
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+			if (err) {
187
+				dev_err(dev, "Failed to shutdown bpool %d\n",
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+					i);
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+				goto err_portal_init;
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+			}
191
+		}
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+		bman_done_cleanup();
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+	}
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+
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195
 	return 0;
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196
 
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197
 err_portal_init:
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@@ -173,6 +199,8 @@
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199
 err_ioremap2:
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200
 	memunmap(pcfg->addr_virt_ce);
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201
 err_ioremap1:
202
+	 __bman_portals_probed = -1;
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+
176
204
 	return -ENXIO;
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205
 }
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206