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

[Greg KH]

On Sat, Aug 28, 2021 at 02:39:14PM +0800, Bixuan Cui wrote:
> 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 at 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
> 

Acked-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>