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path: root/drivers/base/platform-msi.c
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Diffstat (limited to 'drivers/base/platform-msi.c')
-rw-r--r--drivers/base/platform-msi.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c
index 0b72b134a304..3d6c8f9caf43 100644
--- a/drivers/base/platform-msi.c
+++ b/drivers/base/platform-msi.c
@@ -21,11 +21,12 @@
* and the callback to write the MSI message.
*/
struct platform_msi_priv_data {
- struct device *dev;
- void *host_data;
- msi_alloc_info_t arg;
- irq_write_msi_msg_t write_msg;
- int devid;
+ struct device *dev;
+ void *host_data;
+ const struct attribute_group **msi_irq_groups;
+ msi_alloc_info_t arg;
+ irq_write_msi_msg_t write_msg;
+ int devid;
};
/* The devid allocator */
@@ -272,8 +273,16 @@ int platform_msi_domain_alloc_irqs(struct device *dev, unsigned int nvec,
if (err)
goto out_free_desc;
+ priv_data->msi_irq_groups = msi_populate_sysfs(dev);
+ if (IS_ERR(priv_data->msi_irq_groups)) {
+ err = PTR_ERR(priv_data->msi_irq_groups);
+ goto out_free_irqs;
+ }
+
return 0;
+out_free_irqs:
+ msi_domain_free_irqs(dev->msi_domain, dev);
out_free_desc:
platform_msi_free_descs(dev, 0, nvec);
out_free_priv_data:
@@ -293,6 +302,7 @@ void platform_msi_domain_free_irqs(struct device *dev)
struct msi_desc *desc;
desc = first_msi_entry(dev);
+ msi_destroy_sysfs(dev, desc->platform.msi_priv_data->msi_irq_groups);
platform_msi_free_priv_data(desc->platform.msi_priv_data);
}