diff mbox series

[v7,10/19] PCI: microchip: Add num_events field to struct plda_pcie_rp

Message ID 20230927100802.46620-11-minda.chen@starfivetech.com (mailing list archive)
State Superseded
Headers show
Series Refactoring Microchip PCIe driver and add StarFive PCIe | expand

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conchuod/fixes_present success Fixes tag not required for -next series
conchuod/maintainers_pattern success MAINTAINERS pattern errors before the patch: 5 and now 5
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conchuod/kdoc success Errors and warnings before: 0 this patch: 0
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conchuod/build_rv32_defconfig success Build OK
conchuod/dtb_warn_rv64 success Errors and warnings before: 29 this patch: 29
conchuod/header_inline success No static functions without inline keyword in header files
conchuod/checkpatch success total: 0 errors, 0 warnings, 0 checks, 38 lines checked
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conchuod/verify_fixes success No Fixes tag
conchuod/build_rv64_nommu_virt_defconfig success Build OK

Commit Message

Minda Chen Sept. 27, 2023, 10:07 a.m. UTC
Avoid using NUM_EVENTS macros in common codes.

Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
---
 drivers/pci/controller/plda/pcie-microchip-host.c | 7 ++++---
 drivers/pci/controller/plda/pcie-plda.h           | 1 +
 2 files changed, 5 insertions(+), 3 deletions(-)

Comments

Conor Dooley Oct. 9, 2023, 1:41 p.m. UTC | #1
On Wed, Sep 27, 2023 at 06:07:53PM +0800, Minda Chen wrote:
> Avoid using NUM_EVENTS macros in common codes.

This isn't common code though, this code is in the Microchip driver.
It may become common code later, but for now the commit message is
inaccurate. Otherwise, the change itself seems okay to me, so with an
accurate commit message
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

Thanks,
Conor.

> 
> Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
> ---
>  drivers/pci/controller/plda/pcie-microchip-host.c | 7 ++++---
>  drivers/pci/controller/plda/pcie-plda.h           | 1 +
>  2 files changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/pci/controller/plda/pcie-microchip-host.c b/drivers/pci/controller/plda/pcie-microchip-host.c
> index 81aac2d72a2f..d9dd63084e2b 100644
> --- a/drivers/pci/controller/plda/pcie-microchip-host.c
> +++ b/drivers/pci/controller/plda/pcie-microchip-host.c
> @@ -648,7 +648,7 @@ static void plda_handle_event(struct irq_desc *desc)
>  
>  	events = mc_get_events(port);
>  
> -	for_each_set_bit(bit, &events, NUM_EVENTS)
> +	for_each_set_bit(bit, &events, port->num_events)
>  		generic_handle_domain_irq(port->event_domain, bit);
>  
>  	chained_irq_exit(chip, desc);
> @@ -811,7 +811,7 @@ static int plda_pcie_init_irq_domains(struct plda_pcie_rp *port)
>  		return -EINVAL;
>  	}
>  
> -	port->event_domain = irq_domain_add_linear(pcie_intc_node, NUM_EVENTS,
> +	port->event_domain = irq_domain_add_linear(pcie_intc_node, port->num_events,
>  						   &mc_event_domain_ops, port);
>  	if (!port->event_domain) {
>  		dev_err(dev, "failed to get event domain\n");
> @@ -914,7 +914,7 @@ static int plda_init_interrupts(struct platform_device *pdev, struct plda_pcie_r
>  	if (irq < 0)
>  		return -ENODEV;
>  
> -	for (i = 0; i < NUM_EVENTS; i++) {
> +	for (i = 0; i < port->num_events; i++) {
>  		event_irq = irq_create_mapping(port->event_domain, i);
>  		if (!event_irq) {
>  			dev_err(dev, "failed to map hwirq %d\n", i);
> @@ -1006,6 +1006,7 @@ static int mc_host_probe(struct platform_device *pdev)
>  
>  	bridge_base_addr = port->axi_base_addr + MC_PCIE_BRIDGE_ADDR;
>  	plda->bridge_addr = bridge_base_addr;
> +	plda->num_events = NUM_EVENTS;
>  
>  	/* Allow enabling MSI by disabling MSI-X */
>  	val = readl(bridge_base_addr + PCIE_PCI_IRQ_DW0);
> diff --git a/drivers/pci/controller/plda/pcie-plda.h b/drivers/pci/controller/plda/pcie-plda.h
> index 32a913d4101f..5b09ffed623c 100644
> --- a/drivers/pci/controller/plda/pcie-plda.h
> +++ b/drivers/pci/controller/plda/pcie-plda.h
> @@ -150,6 +150,7 @@ struct plda_pcie_rp {
>  	raw_spinlock_t lock;
>  	struct plda_msi msi;
>  	void __iomem *bridge_addr;
> +	int num_events;
>  };
>  
>  irqreturn_t plda_event_handler(int irq, void *dev_id);
> -- 
> 2.17.1
>
diff mbox series

Patch

diff --git a/drivers/pci/controller/plda/pcie-microchip-host.c b/drivers/pci/controller/plda/pcie-microchip-host.c
index 81aac2d72a2f..d9dd63084e2b 100644
--- a/drivers/pci/controller/plda/pcie-microchip-host.c
+++ b/drivers/pci/controller/plda/pcie-microchip-host.c
@@ -648,7 +648,7 @@  static void plda_handle_event(struct irq_desc *desc)
 
 	events = mc_get_events(port);
 
-	for_each_set_bit(bit, &events, NUM_EVENTS)
+	for_each_set_bit(bit, &events, port->num_events)
 		generic_handle_domain_irq(port->event_domain, bit);
 
 	chained_irq_exit(chip, desc);
@@ -811,7 +811,7 @@  static int plda_pcie_init_irq_domains(struct plda_pcie_rp *port)
 		return -EINVAL;
 	}
 
-	port->event_domain = irq_domain_add_linear(pcie_intc_node, NUM_EVENTS,
+	port->event_domain = irq_domain_add_linear(pcie_intc_node, port->num_events,
 						   &mc_event_domain_ops, port);
 	if (!port->event_domain) {
 		dev_err(dev, "failed to get event domain\n");
@@ -914,7 +914,7 @@  static int plda_init_interrupts(struct platform_device *pdev, struct plda_pcie_r
 	if (irq < 0)
 		return -ENODEV;
 
-	for (i = 0; i < NUM_EVENTS; i++) {
+	for (i = 0; i < port->num_events; i++) {
 		event_irq = irq_create_mapping(port->event_domain, i);
 		if (!event_irq) {
 			dev_err(dev, "failed to map hwirq %d\n", i);
@@ -1006,6 +1006,7 @@  static int mc_host_probe(struct platform_device *pdev)
 
 	bridge_base_addr = port->axi_base_addr + MC_PCIE_BRIDGE_ADDR;
 	plda->bridge_addr = bridge_base_addr;
+	plda->num_events = NUM_EVENTS;
 
 	/* Allow enabling MSI by disabling MSI-X */
 	val = readl(bridge_base_addr + PCIE_PCI_IRQ_DW0);
diff --git a/drivers/pci/controller/plda/pcie-plda.h b/drivers/pci/controller/plda/pcie-plda.h
index 32a913d4101f..5b09ffed623c 100644
--- a/drivers/pci/controller/plda/pcie-plda.h
+++ b/drivers/pci/controller/plda/pcie-plda.h
@@ -150,6 +150,7 @@  struct plda_pcie_rp {
 	raw_spinlock_t lock;
 	struct plda_msi msi;
 	void __iomem *bridge_addr;
+	int num_events;
 };
 
 irqreturn_t plda_event_handler(int irq, void *dev_id);