[PATCH -next v3 1/2] platform-msi: Save the msg context to desc in platform_msi_write_msg()

From: Bixuan Cui
Date: Sat Aug 28 2021 - 02:43:01 EST


Save the msg context to desc when the msi interrupt is requested.
The drivers can use it in special scenarios(such as resume).

Signed-off-by: Bixuan Cui <cuibixuan@xxxxxxxxxx>
---
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