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Message-ID: <20211206210438.526615164@linutronix.de>
Date:   Mon,  6 Dec 2021 23:39:21 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Bjorn Helgaas <helgaas@...nel.org>, Marc Zygnier <maz@...nel.org>,
        Alex Williamson <alex.williamson@...hat.com>,
        Kevin Tian <kevin.tian@...el.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Megha Dey <megha.dey@...el.com>,
        Ashok Raj <ashok.raj@...el.com>, linux-pci@...r.kernel.org,
        Cedric Le Goater <clg@...d.org>,
        xen-devel@...ts.xenproject.org, Juergen Gross <jgross@...e.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Will Deacon <will@...nel.org>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        iommu@...ts.linux-foundation.org, dmaengine@...r.kernel.org,
        Stuart Yoder <stuyoder@...il.com>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        Nishanth Menon <nm@...com>, Tero Kristo <kristo@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Vinod Koul <vkoul@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Robin Murphy <robin.murphy@....com>,
        Sinan Kaya <okaya@...nel.org>
Subject: [patch V2 16/36] soc: ti: ti_sci_inta_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>
---
 drivers/irqchip/irq-ti-sci-inta.c |    2 +-
 drivers/soc/ti/ti_sci_inta_msi.c  |    6 +++---
 include/linux/msi.h               |   16 ++--------------
 3 files changed, 6 insertions(+), 18 deletions(-)

--- a/drivers/irqchip/irq-ti-sci-inta.c
+++ b/drivers/irqchip/irq-ti-sci-inta.c
@@ -595,7 +595,7 @@ static void ti_sci_inta_msi_set_desc(msi
 	struct platform_device *pdev = to_platform_device(desc->dev);
 
 	arg->desc = desc;
-	arg->hwirq = TO_HWIRQ(pdev->id, desc->inta.dev_index);
+	arg->hwirq = TO_HWIRQ(pdev->id, desc->msi_index);
 }
 
 static struct msi_domain_ops ti_sci_inta_msi_ops = {
--- a/drivers/soc/ti/ti_sci_inta_msi.c
+++ b/drivers/soc/ti/ti_sci_inta_msi.c
@@ -84,7 +84,7 @@ static int ti_sci_inta_msi_alloc_descs(s
 				return -ENOMEM;
 			}
 
-			msi_desc->inta.dev_index = res->desc[set].start + i;
+			msi_desc->msi_index = res->desc[set].start + i;
 			INIT_LIST_HEAD(&msi_desc->list);
 			list_add_tail(&msi_desc->list, dev_to_msi_list(dev));
 			count++;
@@ -96,7 +96,7 @@ static int ti_sci_inta_msi_alloc_descs(s
 				return -ENOMEM;
 			}
 
-			msi_desc->inta.dev_index = res->desc[set].start_sec + i;
+			msi_desc->msi_index = res->desc[set].start_sec + i;
 			INIT_LIST_HEAD(&msi_desc->list);
 			list_add_tail(&msi_desc->list, dev_to_msi_list(dev));
 			count++;
@@ -154,7 +154,7 @@ unsigned int ti_sci_inta_msi_get_virq(st
 	struct msi_desc *desc;
 
 	for_each_msi_entry(desc, dev)
-		if (desc->inta.dev_index == dev_index)
+		if (desc->msi_index == dev_index)
 			return desc->irq;
 
 	return -ENODEV;
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -107,14 +107,6 @@ struct pci_msi_desc {
 };
 
 /**
- * ti_sci_inta_msi_desc - TISCI based INTA specific msi descriptor data
- * @dev_index: TISCI device index
- */
-struct ti_sci_inta_msi_desc {
-	u16	dev_index;
-};
-
-/**
  * struct msi_desc - Descriptor structure for MSI based interrupts
  * @list:	List head for management
  * @irq:	The base interrupt number
@@ -128,8 +120,7 @@ struct ti_sci_inta_msi_desc {
  * @write_msi_msg_data:	Data parameter for the callback.
  *
  * @msi_index:	Index of the msi descriptor
- * @pci:	[PCI]	    PCI speficic msi descriptor data
- * @inta:	[INTA]	    TISCI based INTA specific msi descriptor data
+ * @pci:	PCI specific msi descriptor data
  */
 struct msi_desc {
 	/* Shared device/bus type independent data */
@@ -147,10 +138,7 @@ struct msi_desc {
 	void *write_msi_msg_data;
 
 	u16				msi_index;
-	union {
-		struct pci_msi_desc		pci;
-		struct ti_sci_inta_msi_desc	inta;
-	};
+	struct pci_msi_desc		pci;
 };
 
 /**

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