From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Mon, 31 May 2010 00:01:50 +0000 (+1000)
Subject: Merge commit 'kumar/next' into next
X-Git-Tag: v2.6.35-rc2~55^2~1
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=ecca1a34befbb13fc23d9a2cc0d6b725c7727fb2;p=linux.git

Merge commit 'kumar/next' into next

Conflicts:
	arch/powerpc/sysdev/fsl_msi.c
---

ecca1a34befbb13fc23d9a2cc0d6b725c7727fb2
diff --cc arch/powerpc/sysdev/fsl_msi.c
index a7be144f5874,f7ca9e6fa5f0..0f5bee90ee4e
--- a/arch/powerpc/sysdev/fsl_msi.c
+++ b/arch/powerpc/sysdev/fsl_msi.c
@@@ -245,11 -293,11 +293,11 @@@ static int __devinit fsl_of_msi_probe(s
  	msi = kzalloc(sizeof(struct fsl_msi), GFP_KERNEL);
  	if (!msi) {
  		dev_err(&dev->dev, "No memory for MSI structure\n");
- 		err = -ENOMEM;
- 		goto error_out;
+ 		return -ENOMEM;
  	}
+ 	dev->dev.platform_data = msi;
  
 -	msi->irqhost = irq_alloc_host(dev->node, IRQ_HOST_MAP_LINEAR,
 +	msi->irqhost = irq_alloc_host(dev->dev.of_node, IRQ_HOST_MAP_LINEAR,
  				      NR_MSI_IRQS, &fsl_msi_host_ops, 0);
  
  	if (msi->irqhost == NULL) {
@@@ -298,14 -346,28 +346,28 @@@
  		err = -EINVAL;
  		goto error_out;
  	}
+ 	offset = 0;
+ 	p = of_get_property(dev->node, "msi-available-ranges", &len);
+ 	if (p)
+ 		offset = *p / IRQS_PER_MSI_REG;
  
  	count /= sizeof(u32);
- 	for (i = 0; i < count / 2; i++) {
- 		if (i > NR_MSI_REG)
- 			break;
+ 	for (i = 0; i < min(count / 2, NR_MSI_REG); i++) {
 -		virt_msir = irq_of_parse_and_map(dev->node, i);
 +		virt_msir = irq_of_parse_and_map(dev->dev.of_node, i);
  		if (virt_msir != NO_IRQ) {
- 			set_irq_data(virt_msir, (void *)i);
+ 			cascade_data = kzalloc(
+ 					sizeof(struct fsl_msi_cascade_data),
+ 					GFP_KERNEL);
+ 			if (!cascade_data) {
+ 				dev_err(&dev->dev,
+ 					"No memory for MSI cascade data\n");
+ 				err = -ENOMEM;
+ 				goto error_out;
+ 			}
+ 			msi->msi_virqs[i] = virt_msir;
+ 			cascade_data->index = i + offset;
+ 			cascade_data->msi_data = msi;
+ 			set_irq_data(virt_msir, (void *)cascade_data);
  			set_irq_chained_handler(virt_msir, fsl_msi_cascade);
  		}
  	}
@@@ -345,12 -413,10 +413,13 @@@ static const struct of_device_id fsl_of
  };
  
  static struct of_platform_driver fsl_of_msi_driver = {
 -	.name = "fsl-msi",
 -	.match_table = fsl_of_msi_ids,
 +	.driver = {
 +		.name = "fsl-msi",
 +		.owner = THIS_MODULE,
 +		.of_match_table = fsl_of_msi_ids,
 +	},
  	.probe = fsl_of_msi_probe,
+ 	.remove = fsl_of_msi_remove,
  };
  
  static __init int fsl_of_msi_init(void)