[patch V2 15/36] bus: fsl-mc-msi: Use msi_desc::msi_index

Thomas Gleixner
2021-12-06T22:40:32Z

Use the common msi_index member and get rid of the pointless wrapper struct.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
---
drivers/bus/fsl-mc/fsl-mc-allocator.c | 2 +-
drivers/bus/fsl-mc/fsl-mc-msi.c | 6 +++---
include/linux/msi.h | 10 ----------
3 files changed, 4 insertions(+), 14 deletions(-)

--- a/drivers/bus/fsl-mc/fsl-mc-allocator.c
+++ b/drivers/bus/fsl-mc/fsl-mc-allocator.c
@@ -393,7 +393,7 @@ int fsl_mc_populate_irq_pool(struct fsl_
}

for_each_msi_entry(msi_desc, &mc_bus_dev->dev) {
- mc_dev_irq = &irq_resources[msi_desc->fsl_mc.msi_index];
+ mc_dev_irq = &irq_resources[msi_desc->msi_index];
mc_dev_irq->msi_desc = msi_desc;
mc_dev_irq->resource.id = msi_desc->irq;
}
--- a/drivers/bus/fsl-mc/fsl-mc-msi.c
+++ b/drivers/bus/fsl-mc/fsl-mc-msi.c
@@ -29,7 +29,7 @@ static irq_hw_number_t fsl_mc_domain_cal
* Make the base hwirq value for ICID*10000 so it is readable
* as a decimal value in /proc/interrupts.
*/
- return (irq_hw_number_t)(desc->fsl_mc.msi_index + (dev->icid * 10000));
+ return (irq_hw_number_t)(desc->msi_index + (dev->icid * 10000));
}

static void fsl_mc_msi_set_desc(msi_alloc_info_t *arg,
@@ -122,7 +122,7 @@ static void fsl_mc_msi_write_msg(struct
struct fsl_mc_device *mc_bus_dev = to_fsl_mc_device(msi_desc->dev);
struct fsl_mc_bus *mc_bus = to_fsl_mc_bus(mc_bus_dev);
struct fsl_mc_device_irq *mc_dev_irq =
- &mc_bus->irq_resources[msi_desc->fsl_mc.msi_index];
+ &mc_bus->irq_resources[msi_desc->msi_index];

msi_desc->msg = *msg;

@@ -235,7 +235,7 @@ static int fsl_mc_msi_alloc_descs(struct
goto cleanup_msi_descs;
}

- msi_desc->fsl_mc.msi_index = i;
+ msi_desc->msi_index = i;
INIT_LIST_HEAD(&msi_desc->list);
list_add_tail(&msi_desc->list, dev_to_msi_list(dev));
}
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -106,14 +106,6 @@ struct pci_msi_desc {
};

/**
- * fsl_mc_msi_desc - FSL-MC device specific msi descriptor data
- * @msi_index: The index of the MSI descriptor
- */
-struct fsl_mc_msi_desc {
- u16 msi_index;
-};
-
-/**
* ti_sci_inta_msi_desc - TISCI based INTA specific msi descriptor data
* @dev_index: TISCI device index
*/
@@ -136,7 +128,6 @@ struct ti_sci_inta_msi_desc {
*
* @msi_index: Index of the msi descriptor
* @pci: [PCI] PCI speficic msi descriptor data
- * @fsl_mc: [fsl-mc] FSL MC device specific msi descriptor data
* @inta: [INTA] TISCI based INTA specific msi descriptor data
*/
struct msi_desc {
@@ -157,7 +148,6 @@ struct msi_desc {
u16 msi_index;
union {
struct pci_msi_desc pci;
- struct fsl_mc_msi_desc fsl_mc;
struct ti_sci_inta_msi_desc inta;
};
};