Thread (51 messages) 51 messages, 3 authors, 2011-05-19

[PATCH 27/37] powerpc fsl_msi: don't abuse platform_data for driver_data

From: Milton Miller <hidden>
Date: 2011-05-11 07:42:38
Subsystem: linux for powerpc (32-bit and 64-bit), the rest · Maintainers: Madhavan Srinivasan, Michael Ellerman, Linus Torvalds

The msi platform device driver was abusing dev.platform_data for its
platform_driver_data.  Use the correct pointer for storage.

Platform_data is supposed to be for platforms to communicate to drivers
parameters that are not otherwise discoverable.  Its lifetime matches
the platform_device not the platform device driver.  It is generally
not needed for drivers that only support systems with device trees.

Signed-off-by: Milton Miller <redacted>
---
---
 arch/powerpc/sysdev/fsl_msi.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c
index d5679dc..077776c 100644
--- a/arch/powerpc/sysdev/fsl_msi.c
+++ b/arch/powerpc/sysdev/fsl_msi.c
@@ -253,7 +253,7 @@ unlock:
 
 static int fsl_of_msi_remove(struct platform_device *ofdev)
 {
-	struct fsl_msi *msi = ofdev->dev.platform_data;
+	struct fsl_msi *msi = platform_get_drvdata(ofdev);
 	int virq, i;
 	struct fsl_msi_cascade_data *cascade_data;
 
@@ -327,7 +327,7 @@ static int __devinit fsl_of_msi_probe(struct platform_device *dev)
 		dev_err(&dev->dev, "No memory for MSI structure\n");
 		return -ENOMEM;
 	}
-	dev->dev.platform_data = msi;
+	platform_set_drvdata(dev, msi);
 
 	msi->irqhost = irq_alloc_host(dev->dev.of_node, IRQ_HOST_MAP_LINEAR,
 				      NR_MSI_IRQS, &fsl_msi_host_ops, 0);
-- 
1.7.0.4
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