* [PATCH -next v2] platform-msi: Save the msg context to desc in platform_msi_write_msg()
@ 2021-10-26 6:46 Bixuan Cui
0 siblings, 0 replies; only message in thread
From: Bixuan Cui @ 2021-10-26 6:46 UTC (permalink / raw)
To: linux-kernel; +Cc: gregkh, rafael, cuibixuan
Save the msg context to desc when the msi interrupt is requested.
So that the requesters can use it in special scenarios, such as
resume mode.
Signed-off-by: Bixuan Cui <cuibixuan@linux.alibaba.com>
---
Changes in v2:
* Modify the commit log and update my email address;
drivers/base/platform-msi.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c
index 3d6c8f9..824a540 100644
--- a/drivers/base/platform-msi.c
+++ b/drivers/base/platform-msi.c
@@ -90,6 +90,10 @@ 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);
}
--
1.8.3.1
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