Re: [patch 12/39] genirq/msi: Add bus token to struct msi_domain_info

From: Jason Gunthorpe
Date: Wed Nov 16 2022 - 12:49:30 EST


On Fri, Nov 11, 2022 at 02:54:33PM +0100, Thomas Gleixner wrote:
> From: Ahmed S. Darwish <darwi@xxxxxxxxxxxxx>
>
> Add a bus token member to struct msi_domain_info and let
> msi_create_irq_domain() set the bus token.
>
> That allows to remove the bus token updates at the call sites.
>
> Suggested-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Signed-off-by: Ahmed S. Darwish <darwi@xxxxxxxxxxxxx>
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> ---
> include/linux/msi.h | 19 +++++++++++--------
> kernel/irq/msi.c | 7 +++++--
> 2 files changed, 16 insertions(+), 10 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

> struct msi_domain_info {
> - u32 flags;
> - struct msi_domain_ops *ops;
> - struct irq_chip *chip;
> - void *chip_data;
> - irq_flow_handler_t handler;
> - void *handler_data;
> - const char *handler_name;
> - void *data;
> + u32 flags;
> + enum irq_domain_bus_token bus_token;
> + struct msi_domain_ops *ops;
> + struct irq_chip *chip;
> + void *chip_data;
> + irq_flow_handler_t handler;
> + void *handler_data;
> + const char *handler_name;
> + void *data;
> };

This is why I've been frowning on horizontal alignment :(

Jason