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Message-ID: <20250723065907.1841758-1-jirislaby@kernel.org>
Date: Wed, 23 Jul 2025 08:59:07 +0200
From: "Jiri Slaby (SUSE)" <jirislaby@...nel.org>
To: bhelgaas@...gle.com
Cc: tglx@...utronix.de,
linux-kernel@...r.kernel.org,
"Jiri Slaby (SUSE)" <jirislaby@...nel.org>,
Jingoo Han <jingoohan1@...il.com>,
Manivannan Sadhasivam <mani@...nel.org>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Krzysztof Wilczyński <kwilczynski@...nel.org>,
Rob Herring <robh@...nel.org>,
Karthikeyan Mitran <m.karthikeyan@...iveil.co.in>,
Hou Zhiqiang <Zhiqiang.Hou@....com>,
Joyce Ooi <joyce.ooi@...el.com>,
Ryder Lee <ryder.lee@...iatek.com>,
Jianjun Wang <jianjun.wang@...iatek.com>,
Michal Simek <michal.simek@....com>,
Daire McNamara <daire.mcnamara@...rochip.com>,
linux-pci@...r.kernel.org,
linux-mediatek@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] PCI: controller: use dev_fwnode()
All irq_domain functions now accept fwnode instead of of_node. But many
PCI controllers still extract dev to of_node and then of_node to fwnode.
Instead, clean this up and simply use the dev_fwnode() helper to extract
fwnode directly from dev. Internally, it still does dev => of_node =>
fwnode steps, but it's now hidden from the users.
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@...nel.org>
Link: https://lore.kernel.org/all/4ee9c7c0-4a3f-4afa-ae5a-7fd8a750c92b@kernel.org/
Link: https://lore.kernel.org/all/4bc0e1ca-a523-424a-8759-59e353317fba@kernel.org/
Cc: Jingoo Han <jingoohan1@...il.com>
Cc: Manivannan Sadhasivam <mani@...nel.org>
Cc: Lorenzo Pieralisi <lpieralisi@...nel.org>
Cc: "Krzysztof Wilczyński" <kwilczynski@...nel.org>
Cc: Rob Herring <robh@...nel.org>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Karthikeyan Mitran <m.karthikeyan@...iveil.co.in>
Cc: Hou Zhiqiang <Zhiqiang.Hou@....com>
Cc: Joyce Ooi <joyce.ooi@...el.com>
Cc: Ryder Lee <ryder.lee@...iatek.com>
Cc: Jianjun Wang <jianjun.wang@...iatek.com>
Cc: Michal Simek <michal.simek@....com>
Cc: Daire McNamara <daire.mcnamara@...rochip.com>
---
Cc: linux-pci@...r.kernel.org
Cc: linux-mediatek@...ts.infradead.org
Cc: linux-arm-kernel@...ts.infradead.org
---
drivers/pci/controller/dwc/pcie-designware-host.c | 3 +--
drivers/pci/controller/mobiveil/pcie-mobiveil-host.c | 3 +--
drivers/pci/controller/pcie-altera-msi.c | 3 +--
drivers/pci/controller/pcie-mediatek.c | 4 +---
drivers/pci/controller/pcie-xilinx-dma-pl.c | 3 +--
drivers/pci/controller/pcie-xilinx-nwl.c | 3 +--
drivers/pci/controller/plda/pcie-plda-host.c | 3 +--
7 files changed, 7 insertions(+), 15 deletions(-)
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
index 4af7da14b350..952f8594b501 100644
--- a/drivers/pci/controller/dwc/pcie-designware-host.c
+++ b/drivers/pci/controller/dwc/pcie-designware-host.c
@@ -214,9 +214,8 @@ static const struct irq_domain_ops dw_pcie_msi_domain_ops = {
int dw_pcie_allocate_domains(struct dw_pcie_rp *pp)
{
struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
- struct fwnode_handle *fwnode = of_fwnode_handle(pci->dev->of_node);
struct irq_domain_info info = {
- .fwnode = fwnode,
+ .fwnode = dev_fwnode(pci->dev),
.ops = &dw_pcie_msi_domain_ops,
.size = pp->num_vectors,
.host_data = pp,
diff --git a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
index d17e887b6b61..dbc72c73fd0a 100644
--- a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
+++ b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
@@ -439,13 +439,12 @@ static const struct irq_domain_ops msi_domain_ops = {
static int mobiveil_allocate_msi_domains(struct mobiveil_pcie *pcie)
{
struct device *dev = &pcie->pdev->dev;
- struct fwnode_handle *fwnode = of_fwnode_handle(dev->of_node);
struct mobiveil_msi *msi = &pcie->rp.msi;
mutex_init(&msi->lock);
struct irq_domain_info info = {
- .fwnode = fwnode,
+ .fwnode = dev_fwnode(dev),
.ops = &msi_domain_ops,
.host_data = pcie,
.size = msi->num_of_vectors,
diff --git a/drivers/pci/controller/pcie-altera-msi.c b/drivers/pci/controller/pcie-altera-msi.c
index 2e48acd632c5..ea2ca2e70f20 100644
--- a/drivers/pci/controller/pcie-altera-msi.c
+++ b/drivers/pci/controller/pcie-altera-msi.c
@@ -166,9 +166,8 @@ static const struct irq_domain_ops msi_domain_ops = {
static int altera_allocate_domains(struct altera_msi *msi)
{
- struct fwnode_handle *fwnode = of_fwnode_handle(msi->pdev->dev.of_node);
struct irq_domain_info info = {
- .fwnode = fwnode,
+ .fwnode = dev_fwnode(&msi->pdev->dev),
.ops = &msi_domain_ops,
.host_data = msi,
.size = msi->num_of_vectors,
diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
index 3ac5d14dd543..24cc30a2ab6c 100644
--- a/drivers/pci/controller/pcie-mediatek.c
+++ b/drivers/pci/controller/pcie-mediatek.c
@@ -487,12 +487,10 @@ static const struct msi_parent_ops mtk_msi_parent_ops = {
static int mtk_pcie_allocate_msi_domains(struct mtk_pcie_port *port)
{
- struct fwnode_handle *fwnode = of_fwnode_handle(port->pcie->dev->of_node);
-
mutex_init(&port->lock);
struct irq_domain_info info = {
- .fwnode = fwnode,
+ .fwnode = dev_fwnode(port->pcie->dev),
.ops = &msi_domain_ops,
.host_data = port,
.size = MTK_MSI_IRQS_NUM,
diff --git a/drivers/pci/controller/pcie-xilinx-dma-pl.c b/drivers/pci/controller/pcie-xilinx-dma-pl.c
index fbc379fd118b..b037c8f315e4 100644
--- a/drivers/pci/controller/pcie-xilinx-dma-pl.c
+++ b/drivers/pci/controller/pcie-xilinx-dma-pl.c
@@ -465,9 +465,8 @@ static int xilinx_pl_dma_pcie_init_msi_irq_domain(struct pl_dma_pcie *port)
struct device *dev = port->dev;
struct xilinx_msi *msi = &port->msi;
int size = BITS_TO_LONGS(XILINX_NUM_MSI_IRQS) * sizeof(long);
- struct fwnode_handle *fwnode = of_fwnode_handle(port->dev->of_node);
struct irq_domain_info info = {
- .fwnode = fwnode,
+ .fwnode = dev_fwnode(port->dev),
.ops = &dev_msi_domain_ops,
.host_data = port,
.size = XILINX_NUM_MSI_IRQS,
diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c
index de76c836915f..05b8c205493c 100644
--- a/drivers/pci/controller/pcie-xilinx-nwl.c
+++ b/drivers/pci/controller/pcie-xilinx-nwl.c
@@ -498,10 +498,9 @@ static int nwl_pcie_init_msi_irq_domain(struct nwl_pcie *pcie)
{
#ifdef CONFIG_PCI_MSI
struct device *dev = pcie->dev;
- struct fwnode_handle *fwnode = of_fwnode_handle(dev->of_node);
struct nwl_msi *msi = &pcie->msi;
struct irq_domain_info info = {
- .fwnode = fwnode,
+ .fwnode = dev_fwnode(dev),
.ops = &dev_msi_domain_ops,
.host_data = pcie,
.size = INT_PCI_MSI_NR,
diff --git a/drivers/pci/controller/plda/pcie-plda-host.c b/drivers/pci/controller/plda/pcie-plda-host.c
index 92866840875e..8e2db2e5b64b 100644
--- a/drivers/pci/controller/plda/pcie-plda-host.c
+++ b/drivers/pci/controller/plda/pcie-plda-host.c
@@ -153,13 +153,12 @@ static const struct msi_parent_ops plda_msi_parent_ops = {
static int plda_allocate_msi_domains(struct plda_pcie_rp *port)
{
struct device *dev = port->dev;
- struct fwnode_handle *fwnode = of_fwnode_handle(dev->of_node);
struct plda_msi *msi = &port->msi;
mutex_init(&port->msi.lock);
struct irq_domain_info info = {
- .fwnode = fwnode,
+ .fwnode = dev_fwnode(dev),
.ops = &msi_domain_ops,
.host_data = port,
.size = msi->num_vectors,
--
2.50.1
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