[PATCH -next v4 1/2] platform-msi: Save the msg context to desc in platform_msi_write_msg()
From: Bixuan Cui <hidden>
Date: 2021-08-30 07:42:40
Also in:
linux-iommu, lkml
Subsystem:
driver core, kobjects, debugfs and sysfs, the rest · Maintainers:
Greg Kroah-Hartman, "Rafael J. Wysocki", Danilo Krummrich, Linus Torvalds
Save the msg context to desc when when the msi interrupt is requested. The drivers can use it in special scenarios(such as resume). Signed-off-by: Bixuan Cui <redacted> --- drivers/base/platform-msi.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c
index 3d6c8f9caf43..60962a224fcc 100644
--- a/drivers/base/platform-msi.c
+++ b/drivers/base/platform-msi.c@@ -90,6 +90,9 @@ static void platform_msi_write_msg(struct irq_data *data, struct msi_msg *msg) priv_data = desc->platform.msi_priv_data; + desc->msg.address_lo = msg->address_lo; + desc->msg.address_hi = msg->address_hi; + desc->msg.data = msg->data; priv_data->write_msg(desc, msg); }
--
2.17.1
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