[V3,22/35] soc: ti: ti_sci_inta_msi: Use msi_desc::msi_index

Commit Message

Thomas Gleixner Dec. 10, 2021, 10:19 p.m. UTC

From: Thomas Gleixner <[e-mail]>

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

Signed-off-by: Thomas Gleixner <[e-mail]>
Reviewed-by: Greg Kroah-Hartman <[e-mail]>
Reviewed-by: Jason Gunthorpe <[e-mail]>
Cc: Nishanth Menon <[e-mail]>
Cc: Tero Kristo <[e-mail]>
Cc: Santosh Shilimkar <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: [e-mail]
---
 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(-)

Comments

Nishanth Menon Dec. 13, 2021, 5:57 p.m. UTC | #1

On 23:19-20211210, Thomas Gleixner wrote:
> From: Thomas Gleixner <[e-mail]>
> 
> Use the common msi_index member and get rid of the pointless wrapper struct.
> 
> Signed-off-by: Thomas Gleixner <[e-mail]>
> Reviewed-by: Greg Kroah-Hartman <[e-mail]>
> Reviewed-by: Jason Gunthorpe <[e-mail]>
> Cc: Nishanth Menon <[e-mail]>
> Cc: Tero Kristo <[e-mail]>
> Cc: Santosh Shilimkar <[e-mail]>
> Cc: Thomas Gleixner <[e-mail]>
> Cc: [e-mail]

Acked-by: Nishanth Menon <[e-mail]>

Patch

--- 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;
 };
 
 /**