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Message-ID: <20211206210438.419160862@linutronix.de>
Date: Mon, 6 Dec 2021 23:39:18 +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>,
linux-arm-kernel@...ts.infradead.org,
iommu@...ts.linux-foundation.org, dmaengine@...r.kernel.org,
Will Deacon <will@...nel.org>,
Santosh Shilimkar <ssantosh@...nel.org>,
Stuart Yoder <stuyoder@...il.com>,
Laurentiu Tudor <laurentiu.tudor@....com>,
Nishanth Menon <nm@...com>, Tero Kristo <kristo@...nel.org>,
Vinod Koul <vkoul@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Robin Murphy <robin.murphy@....com>,
Sinan Kaya <okaya@...nel.org>
Subject: [patch V2 14/36] platform-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>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: iommu@...ts.linux-foundation.org
Cc: dmaengine@...r.kernel.org
---
drivers/base/platform-msi.c | 10 +++++-----
drivers/dma/qcom/hidma.c | 4 ++--
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 4 ++--
drivers/mailbox/bcm-flexrm-mailbox.c | 4 ++--
include/linux/msi.h | 10 ----------
5 files changed, 11 insertions(+), 21 deletions(-)
--- a/drivers/base/platform-msi.c
+++ b/drivers/base/platform-msi.c
@@ -40,7 +40,7 @@ static irq_hw_number_t platform_msi_calc
{
u32 devid = desc->dev->msi.data->platform_data->devid;
- return (devid << (32 - DEV_ID_SHIFT)) | desc->platform.msi_index;
+ return (devid << (32 - DEV_ID_SHIFT)) | desc->msi_index;
}
static void platform_msi_set_desc(msi_alloc_info_t *arg, struct msi_desc *desc)
@@ -112,8 +112,8 @@ static void platform_msi_free_descs(stru
struct msi_desc *desc, *tmp;
list_for_each_entry_safe(desc, tmp, dev_to_msi_list(dev), list) {
- if (desc->platform.msi_index >= base &&
- desc->platform.msi_index < (base + nvec)) {
+ if (desc->msi_index >= base &&
+ desc->msi_index < (base + nvec)) {
list_del(&desc->list);
free_msi_entry(desc);
}
@@ -129,7 +129,7 @@ static int platform_msi_alloc_descs_with
if (!list_empty(dev_to_msi_list(dev))) {
desc = list_last_entry(dev_to_msi_list(dev),
struct msi_desc, list);
- base = desc->platform.msi_index + 1;
+ base = desc->msi_index + 1;
}
for (i = 0; i < nvec; i++) {
@@ -137,7 +137,7 @@ static int platform_msi_alloc_descs_with
if (!desc)
break;
- desc->platform.msi_index = base + i;
+ desc->msi_index = base + i;
desc->irq = virq ? virq + i : 0;
list_add_tail(&desc->list, dev_to_msi_list(dev));
--- a/drivers/dma/qcom/hidma.c
+++ b/drivers/dma/qcom/hidma.c
@@ -666,7 +666,7 @@ static void hidma_write_msi_msg(struct m
struct device *dev = msi_desc_to_dev(desc);
struct hidma_dev *dmadev = dev_get_drvdata(dev);
- if (!desc->platform.msi_index) {
+ if (!desc->msi_index) {
writel(msg->address_lo, dmadev->dev_evca + 0x118);
writel(msg->address_hi, dmadev->dev_evca + 0x11C);
writel(msg->data, dmadev->dev_evca + 0x120);
@@ -702,7 +702,7 @@ static int hidma_request_msi(struct hidm
return rc;
for_each_msi_entry(desc, &pdev->dev) {
- if (!desc->platform.msi_index)
+ if (!desc->msi_index)
dmadev->msi_virqbase = desc->irq;
rc = devm_request_irq(&pdev->dev, desc->irq,
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -3142,7 +3142,7 @@ static void arm_smmu_write_msi_msg(struc
phys_addr_t doorbell;
struct device *dev = msi_desc_to_dev(desc);
struct arm_smmu_device *smmu = dev_get_drvdata(dev);
- phys_addr_t *cfg = arm_smmu_msi_cfg[desc->platform.msi_index];
+ phys_addr_t *cfg = arm_smmu_msi_cfg[desc->msi_index];
doorbell = (((u64)msg->address_hi) << 32) | msg->address_lo;
doorbell &= MSI_CFG0_ADDR_MASK;
@@ -3183,7 +3183,7 @@ static void arm_smmu_setup_msis(struct a
}
for_each_msi_entry(desc, dev) {
- switch (desc->platform.msi_index) {
+ switch (desc->msi_index) {
case EVTQ_MSI_INDEX:
smmu->evtq.q.irq = desc->irq;
break;
--- a/drivers/mailbox/bcm-flexrm-mailbox.c
+++ b/drivers/mailbox/bcm-flexrm-mailbox.c
@@ -1484,7 +1484,7 @@ static void flexrm_mbox_msi_write(struct
{
struct device *dev = msi_desc_to_dev(desc);
struct flexrm_mbox *mbox = dev_get_drvdata(dev);
- struct flexrm_ring *ring = &mbox->rings[desc->platform.msi_index];
+ struct flexrm_ring *ring = &mbox->rings[desc->msi_index];
/* Configure per-Ring MSI registers */
writel_relaxed(msg->address_lo, ring->regs + RING_MSI_ADDR_LS);
@@ -1609,7 +1609,7 @@ static int flexrm_mbox_probe(struct plat
/* Save alloced IRQ numbers for each ring */
for_each_msi_entry(desc, dev) {
- ring = &mbox->rings[desc->platform.msi_index];
+ ring = &mbox->rings[desc->msi_index];
ring->irq = desc->irq;
}
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -106,14 +106,6 @@ struct pci_msi_desc {
};
/**
- * platform_msi_desc - Platform device specific msi descriptor data
- * @msi_index: The index of the MSI descriptor for multi MSI
- */
-struct platform_msi_desc {
- u16 msi_index;
-};
-
-/**
* fsl_mc_msi_desc - FSL-MC device specific msi descriptor data
* @msi_index: The index of the MSI descriptor
*/
@@ -144,7 +136,6 @@ struct ti_sci_inta_msi_desc {
*
* @msi_index: Index of the msi descriptor
* @pci: [PCI] PCI speficic msi descriptor data
- * @platform: [platform] Platform device specific msi descriptor data
* @fsl_mc: [fsl-mc] FSL MC device specific msi descriptor data
* @inta: [INTA] TISCI based INTA specific msi descriptor data
*/
@@ -166,7 +157,6 @@ struct msi_desc {
u16 msi_index;
union {
struct pci_msi_desc pci;
- struct platform_msi_desc platform;
struct fsl_mc_msi_desc fsl_mc;
struct ti_sci_inta_msi_desc inta;
};
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