From: Lorenzo Pieralisi <lpieralisi@kernel.org>
To: Minda Chen <minda.chen@starfivetech.com>
Cc: "Conor Dooley" <conor@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Rob Herring" <robh+dt@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Daire McNamara" <daire.mcnamara@microchip.com>,
"Emil Renner Berthing" <emil.renner.berthing@canonical.com>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-riscv@lists.infradead.org, linux-pci@vger.kernel.org,
"Paul Walmsley" <paul.walmsley@sifive.com>,
"Palmer Dabbelt" <palmer@dabbelt.com>,
"Albert Ou" <aou@eecs.berkeley.edu>,
"Philipp Zabel" <p.zabel@pengutronix.de>,
"Mason Huo" <mason.huo@starfivetech.com>,
"Leyfoon Tan" <leyfoon.tan@starfivetech.com>,
"Kevin Xie" <kevin.xie@starfivetech.com>
Subject: Re: [PATCH v13 10/21] PCI: microchip: Rename interrupt related functions
Date: Wed, 27 Dec 2023 16:52:35 +0100 [thread overview]
Message-ID: <ZYxIQ9ruBbxWKfIg@lpieralisi> (raw)
In-Reply-To: <20231214072839.2367-11-minda.chen@starfivetech.com>
On Thu, Dec 14, 2023 at 03:28:28PM +0800, Minda Chen wrote:
> Rename mc_* to plda_* for IRQ functions and related IRQ domain ops data
> instances.
>
> MSI, INTx interrupt codes and IRQ init codes are all can be re-used.
s/codes/code
>
> - function rename list:
> mc_allocate_msi_domains() --> plda_allocate_msi_domains()
> mc_init_interrupts() --> plda_init_interrupts()
> mc_pcie_init_irq_domain() --> plda_pcie_init_irq_domains()
> mc_handle_event() --> plda_handle_event()
> get_events() --> mc_get_events()
>
> MSI interrupts related functions and IRQ domain
> (primary function is mc_handle_msi()):
> mc_handle_msi() --> plda_handle_msi()
> INTx interrupts related functions and IRQ domain
> (primary function is mc_handle_intx()):
> mc_handle_intx() --> plda_handle_intx()
We can read the code you are changing, there is no need to
add it to the commit log, especially because it is a trivial
rename here.
> Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
> Acked-by: Conor Dooley <conor.dooley@microchip.com>
> ---
> .../pci/controller/plda/pcie-microchip-host.c | 112 +++++++++---------
> 1 file changed, 59 insertions(+), 53 deletions(-)
>
> diff --git a/drivers/pci/controller/plda/pcie-microchip-host.c b/drivers/pci/controller/plda/pcie-microchip-host.c
> index 2e79bcc7c0a5..506e6eeadc76 100644
> --- a/drivers/pci/controller/plda/pcie-microchip-host.c
> +++ b/drivers/pci/controller/plda/pcie-microchip-host.c
> @@ -318,7 +318,7 @@ static void mc_pcie_enable_msi(struct mc_pcie *port, void __iomem *ecam)
> ecam + MC_MSI_CAP_CTRL_OFFSET + PCI_MSI_ADDRESS_HI);
> }
>
> -static void mc_handle_msi(struct irq_desc *desc)
> +static void plda_handle_msi(struct irq_desc *desc)
> {
> struct plda_pcie_rp *port = irq_desc_get_handler_data(desc);
> struct irq_chip *chip = irq_desc_get_chip(desc);
> @@ -333,7 +333,8 @@ static void mc_handle_msi(struct irq_desc *desc)
>
> status = readl_relaxed(bridge_base_addr + ISTATUS_LOCAL);
> if (status & PM_MSI_INT_MSI_MASK) {
> - writel_relaxed(status & PM_MSI_INT_MSI_MASK, bridge_base_addr + ISTATUS_LOCAL);
> + writel_relaxed(status & PM_MSI_INT_MSI_MASK,
> + bridge_base_addr + ISTATUS_LOCAL);
Unrelated change (I suspect checkpatch nudged you to make it; it
is tempting but it does not belong in this patch).
Lorenzo
> status = readl_relaxed(bridge_base_addr + ISTATUS_MSI);
> for_each_set_bit(bit, &status, msi->num_vectors) {
> ret = generic_handle_domain_irq(msi->dev_domain, bit);
> @@ -346,7 +347,7 @@ static void mc_handle_msi(struct irq_desc *desc)
> chained_irq_exit(chip, desc);
> }
>
> -static void mc_msi_bottom_irq_ack(struct irq_data *data)
> +static void plda_msi_bottom_irq_ack(struct irq_data *data)
> {
> struct plda_pcie_rp *port = irq_data_get_irq_chip_data(data);
> void __iomem *bridge_base_addr = port->bridge_addr;
> @@ -355,7 +356,7 @@ static void mc_msi_bottom_irq_ack(struct irq_data *data)
> writel_relaxed(BIT(bitpos), bridge_base_addr + ISTATUS_MSI);
> }
>
> -static void mc_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
> +static void plda_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
> {
> struct plda_pcie_rp *port = irq_data_get_irq_chip_data(data);
> phys_addr_t addr = port->msi.vector_phy;
> @@ -368,21 +369,23 @@ static void mc_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
> (int)data->hwirq, msg->address_hi, msg->address_lo);
> }
>
> -static int mc_msi_set_affinity(struct irq_data *irq_data,
> - const struct cpumask *mask, bool force)
> +static int plda_msi_set_affinity(struct irq_data *irq_data,
> + const struct cpumask *mask, bool force)
> {
> return -EINVAL;
> }
>
> -static struct irq_chip mc_msi_bottom_irq_chip = {
> - .name = "Microchip MSI",
> - .irq_ack = mc_msi_bottom_irq_ack,
> - .irq_compose_msi_msg = mc_compose_msi_msg,
> - .irq_set_affinity = mc_msi_set_affinity,
> +static struct irq_chip plda_msi_bottom_irq_chip = {
> + .name = "PLDA MSI",
> + .irq_ack = plda_msi_bottom_irq_ack,
> + .irq_compose_msi_msg = plda_compose_msi_msg,
> + .irq_set_affinity = plda_msi_set_affinity,
> };
>
> -static int mc_irq_msi_domain_alloc(struct irq_domain *domain, unsigned int virq,
> - unsigned int nr_irqs, void *args)
> +static int plda_irq_msi_domain_alloc(struct irq_domain *domain,
> + unsigned int virq,
> + unsigned int nr_irqs,
> + void *args)
> {
> struct plda_pcie_rp *port = domain->host_data;
> struct plda_msi *msi = &port->msi;
> @@ -397,7 +400,7 @@ static int mc_irq_msi_domain_alloc(struct irq_domain *domain, unsigned int virq,
>
> set_bit(bit, msi->used);
>
> - irq_domain_set_info(domain, virq, bit, &mc_msi_bottom_irq_chip,
> + irq_domain_set_info(domain, virq, bit, &plda_msi_bottom_irq_chip,
> domain->host_data, handle_edge_irq, NULL, NULL);
>
> mutex_unlock(&msi->lock);
> @@ -405,8 +408,9 @@ static int mc_irq_msi_domain_alloc(struct irq_domain *domain, unsigned int virq,
> return 0;
> }
>
> -static void mc_irq_msi_domain_free(struct irq_domain *domain, unsigned int virq,
> - unsigned int nr_irqs)
> +static void plda_irq_msi_domain_free(struct irq_domain *domain,
> + unsigned int virq,
> + unsigned int nr_irqs)
> {
> struct irq_data *d = irq_domain_get_irq_data(domain, virq);
> struct plda_pcie_rp *port = irq_data_get_irq_chip_data(d);
> @@ -423,24 +427,24 @@ static void mc_irq_msi_domain_free(struct irq_domain *domain, unsigned int virq,
> }
>
> static const struct irq_domain_ops msi_domain_ops = {
> - .alloc = mc_irq_msi_domain_alloc,
> - .free = mc_irq_msi_domain_free,
> + .alloc = plda_irq_msi_domain_alloc,
> + .free = plda_irq_msi_domain_free,
> };
>
> -static struct irq_chip mc_msi_irq_chip = {
> - .name = "Microchip PCIe MSI",
> +static struct irq_chip plda_msi_irq_chip = {
> + .name = "PLDA PCIe MSI",
> .irq_ack = irq_chip_ack_parent,
> .irq_mask = pci_msi_mask_irq,
> .irq_unmask = pci_msi_unmask_irq,
> };
>
> -static struct msi_domain_info mc_msi_domain_info = {
> +static struct msi_domain_info plda_msi_domain_info = {
> .flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
> MSI_FLAG_PCI_MSIX),
> - .chip = &mc_msi_irq_chip,
> + .chip = &plda_msi_irq_chip,
> };
>
> -static int mc_allocate_msi_domains(struct plda_pcie_rp *port)
> +static int plda_allocate_msi_domains(struct plda_pcie_rp *port)
> {
> struct device *dev = port->dev;
> struct fwnode_handle *fwnode = of_node_to_fwnode(dev->of_node);
> @@ -455,7 +459,8 @@ static int mc_allocate_msi_domains(struct plda_pcie_rp *port)
> return -ENOMEM;
> }
>
> - msi->msi_domain = pci_msi_create_irq_domain(fwnode, &mc_msi_domain_info,
> + msi->msi_domain = pci_msi_create_irq_domain(fwnode,
> + &plda_msi_domain_info,
> msi->dev_domain);
> if (!msi->msi_domain) {
> dev_err(dev, "failed to create MSI domain\n");
> @@ -466,7 +471,7 @@ static int mc_allocate_msi_domains(struct plda_pcie_rp *port)
> return 0;
> }
>
> -static void mc_handle_intx(struct irq_desc *desc)
> +static void plda_handle_intx(struct irq_desc *desc)
> {
> struct plda_pcie_rp *port = irq_desc_get_handler_data(desc);
> struct irq_chip *chip = irq_desc_get_chip(desc);
> @@ -493,7 +498,7 @@ static void mc_handle_intx(struct irq_desc *desc)
> chained_irq_exit(chip, desc);
> }
>
> -static void mc_ack_intx_irq(struct irq_data *data)
> +static void plda_ack_intx_irq(struct irq_data *data)
> {
> struct plda_pcie_rp *port = irq_data_get_irq_chip_data(data);
> void __iomem *bridge_base_addr = port->bridge_addr;
> @@ -502,7 +507,7 @@ static void mc_ack_intx_irq(struct irq_data *data)
> writel_relaxed(mask, bridge_base_addr + ISTATUS_LOCAL);
> }
>
> -static void mc_mask_intx_irq(struct irq_data *data)
> +static void plda_mask_intx_irq(struct irq_data *data)
> {
> struct plda_pcie_rp *port = irq_data_get_irq_chip_data(data);
> void __iomem *bridge_base_addr = port->bridge_addr;
> @@ -517,7 +522,7 @@ static void mc_mask_intx_irq(struct irq_data *data)
> raw_spin_unlock_irqrestore(&port->lock, flags);
> }
>
> -static void mc_unmask_intx_irq(struct irq_data *data)
> +static void plda_unmask_intx_irq(struct irq_data *data)
> {
> struct plda_pcie_rp *port = irq_data_get_irq_chip_data(data);
> void __iomem *bridge_base_addr = port->bridge_addr;
> @@ -532,24 +537,24 @@ static void mc_unmask_intx_irq(struct irq_data *data)
> raw_spin_unlock_irqrestore(&port->lock, flags);
> }
>
> -static struct irq_chip mc_intx_irq_chip = {
> - .name = "Microchip PCIe INTx",
> - .irq_ack = mc_ack_intx_irq,
> - .irq_mask = mc_mask_intx_irq,
> - .irq_unmask = mc_unmask_intx_irq,
> +static struct irq_chip plda_intx_irq_chip = {
> + .name = "PLDA PCIe INTx",
> + .irq_ack = plda_ack_intx_irq,
> + .irq_mask = plda_mask_intx_irq,
> + .irq_unmask = plda_unmask_intx_irq,
> };
>
> -static int mc_pcie_intx_map(struct irq_domain *domain, unsigned int irq,
> - irq_hw_number_t hwirq)
> +static int plda_pcie_intx_map(struct irq_domain *domain, unsigned int irq,
> + irq_hw_number_t hwirq)
> {
> - irq_set_chip_and_handler(irq, &mc_intx_irq_chip, handle_level_irq);
> + irq_set_chip_and_handler(irq, &plda_intx_irq_chip, handle_level_irq);
> irq_set_chip_data(irq, domain->host_data);
>
> return 0;
> }
>
> static const struct irq_domain_ops intx_domain_ops = {
> - .map = mc_pcie_intx_map,
> + .map = plda_pcie_intx_map,
> };
>
> static inline u32 reg_to_event(u32 reg, struct event_map field)
> @@ -609,7 +614,7 @@ static u32 local_events(struct mc_pcie *port)
> return val;
> }
>
> -static u32 get_events(struct plda_pcie_rp *port)
> +static u32 mc_get_events(struct plda_pcie_rp *port)
> {
> struct mc_pcie *mc_port = container_of(port, struct mc_pcie, plda);
> u32 events = 0;
> @@ -638,7 +643,7 @@ static irqreturn_t mc_event_handler(int irq, void *dev_id)
> return IRQ_HANDLED;
> }
>
> -static void mc_handle_event(struct irq_desc *desc)
> +static void plda_handle_event(struct irq_desc *desc)
> {
> struct plda_pcie_rp *port = irq_desc_get_handler_data(desc);
> unsigned long events;
> @@ -647,7 +652,7 @@ static void mc_handle_event(struct irq_desc *desc)
>
> chained_irq_enter(chip, desc);
>
> - events = get_events(port);
> + events = mc_get_events(port);
>
> for_each_set_bit(bit, &events, NUM_EVENTS)
> generic_handle_domain_irq(port->event_domain, bit);
> @@ -741,8 +746,8 @@ static struct irq_chip mc_event_irq_chip = {
> .irq_unmask = mc_unmask_event_irq,
> };
>
> -static int mc_pcie_event_map(struct irq_domain *domain, unsigned int irq,
> - irq_hw_number_t hwirq)
> +static int plda_pcie_event_map(struct irq_domain *domain, unsigned int irq,
> + irq_hw_number_t hwirq)
> {
> irq_set_chip_and_handler(irq, &mc_event_irq_chip, handle_level_irq);
> irq_set_chip_data(irq, domain->host_data);
> @@ -750,8 +755,8 @@ static int mc_pcie_event_map(struct irq_domain *domain, unsigned int irq,
> return 0;
> }
>
> -static const struct irq_domain_ops event_domain_ops = {
> - .map = mc_pcie_event_map,
> +static const struct irq_domain_ops plda_event_domain_ops = {
> + .map = plda_pcie_event_map,
> };
>
> static inline void mc_pcie_deinit_clk(void *data)
> @@ -799,7 +804,7 @@ static int mc_pcie_init_clks(struct device *dev)
> return 0;
> }
>
> -static int mc_pcie_init_irq_domains(struct plda_pcie_rp *port)
> +static int plda_pcie_init_irq_domains(struct plda_pcie_rp *port)
> {
> struct device *dev = port->dev;
> struct device_node *node = dev->of_node;
> @@ -813,7 +818,8 @@ static int mc_pcie_init_irq_domains(struct plda_pcie_rp *port)
> }
>
> port->event_domain = irq_domain_add_linear(pcie_intc_node, NUM_EVENTS,
> - &event_domain_ops, port);
> + &plda_event_domain_ops,
> + port);
> if (!port->event_domain) {
> dev_err(dev, "failed to get event domain\n");
> of_node_put(pcie_intc_node);
> @@ -835,7 +841,7 @@ static int mc_pcie_init_irq_domains(struct plda_pcie_rp *port)
> of_node_put(pcie_intc_node);
> raw_spin_lock_init(&port->lock);
>
> - return mc_allocate_msi_domains(port);
> + return plda_allocate_msi_domains(port);
> }
>
> static inline void mc_clear_secs(struct mc_pcie *port)
> @@ -898,14 +904,14 @@ static void mc_disable_interrupts(struct mc_pcie *port)
> writel_relaxed(GENMASK(31, 0), bridge_base_addr + ISTATUS_HOST);
> }
>
> -static int mc_init_interrupts(struct platform_device *pdev, struct plda_pcie_rp *port)
> +static int plda_init_interrupts(struct platform_device *pdev, struct plda_pcie_rp *port)
> {
> struct device *dev = &pdev->dev;
> int irq;
> int i, intx_irq, msi_irq, event_irq;
> int ret;
>
> - ret = mc_pcie_init_irq_domains(port);
> + ret = plda_pcie_init_irq_domains(port);
> if (ret) {
> dev_err(dev, "failed creating IRQ domains\n");
> return ret;
> @@ -938,7 +944,7 @@ static int mc_init_interrupts(struct platform_device *pdev, struct plda_pcie_rp
> }
>
> /* Plug the INTx chained handler */
> - irq_set_chained_handler_and_data(intx_irq, mc_handle_intx, port);
> + irq_set_chained_handler_and_data(intx_irq, plda_handle_intx, port);
>
> msi_irq = irq_create_mapping(port->event_domain,
> EVENT_LOCAL_PM_MSI_INT_MSI);
> @@ -946,10 +952,10 @@ static int mc_init_interrupts(struct platform_device *pdev, struct plda_pcie_rp
> return -ENXIO;
>
> /* Plug the MSI chained handler */
> - irq_set_chained_handler_and_data(msi_irq, mc_handle_msi, port);
> + irq_set_chained_handler_and_data(msi_irq, plda_handle_msi, port);
>
> /* Plug the main event chained handler */
> - irq_set_chained_handler_and_data(irq, mc_handle_event, port);
> + irq_set_chained_handler_and_data(irq, plda_handle_event, port);
>
> return 0;
> }
> @@ -977,7 +983,7 @@ static int mc_platform_init(struct pci_config_window *cfg)
> return ret;
>
> /* Address translation is up; safe to enable interrupts */
> - ret = mc_init_interrupts(pdev, &port->plda);
> + ret = plda_init_interrupts(pdev, &port->plda);
> if (ret)
> return ret;
>
> --
> 2.17.1
>
next prev parent reply other threads:[~2023-12-27 15:52 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-14 7:28 [PATCH v13 0/21] Refactoring Microchip PCIe driver and add StarFive PCIe Minda Chen
2023-12-14 7:28 ` [PATCH v13 01/21] dt-bindings: PCI: Add PLDA XpressRICH PCIe host common properties Minda Chen
2023-12-14 7:28 ` [PATCH v13 02/21] PCI: microchip: Move pcie-microchip-host.c to plda directory Minda Chen
2023-12-14 7:28 ` [PATCH v13 03/21] PCI: microchip: Move PLDA IP register macros to pcie-plda.h Minda Chen
2023-12-14 7:28 ` [PATCH v13 04/21] PCI: microchip: Add bridge_addr field to struct mc_pcie Minda Chen
2023-12-14 7:28 ` [PATCH v13 05/21] PCI: microchip: Rename two PCIe data structures Minda Chen
2023-12-14 7:28 ` [PATCH v13 06/21] PCI: microchip: Move PCIe host data structures to plda-pcie.h Minda Chen
2023-12-14 7:28 ` [PATCH v13 07/21] PCI: microchip: Rename two setup functions Minda Chen
2023-12-14 7:28 ` [PATCH v13 08/21] PCI: microchip: Change the argument of plda_pcie_setup_iomems() Minda Chen
2023-12-14 7:28 ` [PATCH v13 09/21] PCI: microchip: Move setup functions to pcie-plda-host.c Minda Chen
2023-12-27 15:49 ` Lorenzo Pieralisi
2023-12-28 9:46 ` Minda Chen
2023-12-14 7:28 ` [PATCH v13 10/21] PCI: microchip: Rename interrupt related functions Minda Chen
2023-12-27 15:52 ` Lorenzo Pieralisi [this message]
2023-12-29 3:44 ` Minda Chen
2023-12-14 7:28 ` [PATCH v13 11/21] PCI: microchip: Add num_events field to struct plda_pcie_rp Minda Chen
2023-12-27 15:55 ` Lorenzo Pieralisi
2023-12-29 3:46 ` Minda Chen
2023-12-14 7:28 ` [PATCH v13 12/21] PCI: microchip: Add request_event_irq() callback function Minda Chen
2023-12-27 16:01 ` Lorenzo Pieralisi
2023-12-28 11:58 ` Minda Chen
2023-12-14 7:28 ` [PATCH v13 13/21] PCI: microchip: Add INTx and MSI event num to struct plda_event Minda Chen
2023-12-14 7:28 ` [PATCH v13 14/21] PCI: microchip: Add get_events() callback and add PLDA get_event() Minda Chen
2023-12-27 16:31 ` Lorenzo Pieralisi
2023-12-28 10:04 ` Minda Chen
2023-12-14 7:28 ` [PATCH v13 15/21] PCI: microchip: Add event irqchip field to host port and add PLDA irqchip Minda Chen
2023-12-21 10:56 ` Minda Chen
2023-12-21 15:32 ` Lorenzo Pieralisi
2023-12-22 11:18 ` Minda Chen
2023-12-27 12:43 ` Lorenzo Pieralisi
2023-12-28 11:25 ` Minda Chen
2023-12-14 7:28 ` [PATCH v13 16/21] PCI: microchip: Move IRQ functions to pcie-plda-host.c Minda Chen
2023-12-14 7:28 ` [PATCH v13 17/21] PCI: plda: Add host init/deinit and map bus functions Minda Chen
2023-12-14 7:28 ` [PATCH v13 18/21] dt-bindings: PCI: Add StarFive JH7110 PCIe controller Minda Chen
2023-12-14 7:28 ` [PATCH v13 19/21] PCI: Add PCIE_RESET_CONFIG_DEVICE_WAIT_MS waiting time value Minda Chen
2023-12-27 16:03 ` Lorenzo Pieralisi
2023-12-27 19:08 ` Bjorn Helgaas
2023-12-14 7:28 ` [PATCH v13 20/21] PCI: starfive: Add JH7110 PCIe controller Minda Chen
2023-12-14 7:28 ` [PATCH v13 21/21] riscv: dts: starfive: add PCIe dts configuration for JH7110 Minda Chen
2024-01-03 22:40 ` [PATCH v13 0/21] Refactoring Microchip PCIe driver and add StarFive PCIe Kevin Hilman
2024-01-05 2:35 ` 回复: " Kevin Xie
2024-01-05 17:28 ` Kevin Hilman
2024-01-08 10:48 ` 回复: " Kevin Xie
2024-01-10 16:29 ` Emil Renner Berthing
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