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From:   Bixuan Cui <cuibixuan@huawei.com>
To:     <iommu@lists.linux-foundation.org>, <linux-kernel@vger.kernel.org>
CC:     <will@kernel.org>, <gregkh@linuxfoundation.org>,
        <rafael@kernel.org>, <robin.murphy@arm.com>, <joro@8bytes.org>,
        <jean-philippe@linaro.org>, <Jonathan.Cameron@huawei.com>,
        <thunder.leizhen@huawei.com>, <maz@kernel.org>,
        <linux-arm-kernel@lists.infradead.org>
Subject: [PATCH -next v3 1/2] platform-msi: Save the msg context to desc in platform_msi_write_msg()
Date:   Sat, 28 Aug 2021 14:39:14 +0800
Message-ID: <20210828063916.39633-1-cuibixuan@huawei.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

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@huawei.com>
---
 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