linux-kernel - [tip: irq/msi] bus: fsl-mc-msi: Use msi_desc::msi

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Date:   Thu, 16 Dec 2021 21:40:57 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
        Jason Gunthorpe <jgg@...dia.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: irq/msi] bus: fsl-mc-msi: Use msi_desc::msi_index

The following commit has been merged into the irq/msi branch of tip:

Commit-ID:     78ee9fb4b8b126ed84a819a6e1732fd3039b525a
Gitweb:        https://git.kernel.org/tip/78ee9fb4b8b126ed84a819a6e1732fd3039b525a
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Fri, 10 Dec 2021 23:19:15 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Thu, 16 Dec 2021 22:16:40 +01:00

bus: fsl-mc-msi: Use msi_desc::msi_index

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

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Reviewed-by: Jason Gunthorpe <jgg@...dia.com>
Link: https://lore.kernel.org/r/20211210221814.477386185@linutronix.de

---
 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(-)

diff --git a/drivers/bus/fsl-mc/fsl-mc-allocator.c b/drivers/bus/fsl-mc/fsl-mc-allocator.c
index 6c51355..3370b63 100644
--- 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_mc_device *mc_bus_dev,
 	}
 
 	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;
 	}
diff --git a/drivers/bus/fsl-mc/fsl-mc-msi.c b/drivers/bus/fsl-mc/fsl-mc-msi.c
index c6215b7..2ffb705 100644
--- 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_calc_hwirq(struct fsl_mc_device *dev,
 	 * 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 irq_data *irq_data,
 	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 device *dev, unsigned int irq_count)
 			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));
 	}
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 1d85e95..25edf83 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -107,14 +107,6 @@ 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
  */
@@ -137,7 +129,6 @@ 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 {
@@ -158,7 +149,6 @@ 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;
 	};
 };