diff mbox

[v3] PCI: kill off set_irq_flags usage

Message ID 1438030523-15853-9-git-send-email-robh@kernel.org (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Rob Herring (Arm) July 27, 2015, 8:55 p.m. UTC
set_irq_flags is ARM specific with custom flags which have genirq
equivalents. Convert drivers to use the genirq interfaces directly, so we
can kill off set_irq_flags. The translation of flags is as follows:

IRQF_VALID -> !IRQ_NOREQUEST
IRQF_PROBE -> !IRQ_NOPROBE
IRQF_NOAUTOEN -> IRQ_NOAUTOEN

For IRQs managed by an irqdomain, the irqdomain core code handles clearing
and setting IRQ_NOREQUEST already, so there is no need to do this in
.map() functions and we can simply remove the set_irq_flags calls. Some
users also modify IRQ_NOPROBE and this has been maintained although it
is not clear that is really needed. There appears to be a great deal of
blind copy and paste of this code.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Murali Karicheri <m-karicheri2@ti.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Jingoo Han <jingoohan1@gmail.com>
Cc: Pratyush Anand <pratyush.anand@gmail.com>
Cc: Simon Horman <horms@verge.net.au>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: "Sören Brinkmann" <soren.brinkmann@xilinx.com>
Cc: linux-omap@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-tegra@vger.kernel.org
Cc: linux-sh@vger.kernel.org
---
Thomas asked that this be merged thru subsystem trees instead of arm-soc,
so please apply this to your tree.

Rob

 drivers/pci/host/pci-dra7xx.c      | 1 -
 drivers/pci/host/pci-keystone-dw.c | 2 --
 drivers/pci/host/pci-tegra.c       | 1 -
 drivers/pci/host/pci-xgene-msi.c   | 1 -
 drivers/pci/host/pcie-designware.c | 1 -
 drivers/pci/host/pcie-rcar.c       | 1 -
 drivers/pci/host/pcie-xilinx.c     | 2 --
 7 files changed, 9 deletions(-)

--
2.1.0

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Comments

Han Jingoo July 28, 2015, 12:51 a.m. UTC | #1
On 2015. 7. 28., at AM 5:55, Rob Herring <robh@kernel.org> wrote:
> 
> set_irq_flags is ARM specific with custom flags which have genirq
> equivalents. Convert drivers to use the genirq interfaces directly, so we
> can kill off set_irq_flags. The translation of flags is as follows:
> 
> IRQF_VALID -> !IRQ_NOREQUEST
> IRQF_PROBE -> !IRQ_NOPROBE
> IRQF_NOAUTOEN -> IRQ_NOAUTOEN
> 
> For IRQs managed by an irqdomain, the irqdomain core code handles clearing
> and setting IRQ_NOREQUEST already, so there is no need to do this in
> .map() functions and we can simply remove the set_irq_flags calls. Some
> users also modify IRQ_NOPROBE and this has been maintained although it
> is not clear that is really needed. There appears to be a great deal of
> blind copy and paste of this code.
> 
> Signed-off-by: Rob Herring <robh@kernel.org>
> Cc: Kishon Vijay Abraham I <kishon@ti.com>
> Acked-by: Bjorn Helgaas <bhelgaas@google.com>
> Cc: Murali Karicheri <m-karicheri2@ti.com>
> Cc: Thierry Reding <thierry.reding@gmail.com>
> Cc: Stephen Warren <swarren@wwwdotorg.org>
> Cc: Alexandre Courbot <gnurou@gmail.com>
> Cc: Jingoo Han <jingoohan1@gmail.com>

Acked-by: Jingoo Han <jingoohan1@gmail.com>

Best regards,
Jingoo Han

> Cc: Pratyush Anand <pratyush.anand@gmail.com>
> Cc: Simon Horman <horms@verge.net.au>
> Cc: Michal Simek <michal.simek@xilinx.com>
> Cc: "Sören Brinkmann" <soren.brinkmann@xilinx.com>
> Cc: linux-omap@vger.kernel.org
> Cc: linux-pci@vger.kernel.org
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-tegra@vger.kernel.org
> Cc: linux-sh@vger.kernel.org
> ---
> Thomas asked that this be merged thru subsystem trees instead of arm-soc,
> so please apply this to your tree.
> 
> Rob
> 
> drivers/pci/host/pci-dra7xx.c      | 1 -
> drivers/pci/host/pci-keystone-dw.c | 2 --
> drivers/pci/host/pci-tegra.c       | 1 -
> drivers/pci/host/pci-xgene-msi.c   | 1 -
> drivers/pci/host/pcie-designware.c | 1 -
> drivers/pci/host/pcie-rcar.c       | 1 -
> drivers/pci/host/pcie-xilinx.c     | 2 --
> 7 files changed, 9 deletions(-)
> 
> diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c
> index 80db09e..1a0d124 100644
> --- a/drivers/pci/host/pci-dra7xx.c
> +++ b/drivers/pci/host/pci-dra7xx.c
> @@ -155,7 +155,6 @@ static int dra7xx_pcie_intx_map(struct irq_domain *domain, unsigned int irq,
> {
>    irq_set_chip_and_handler(irq, &dummy_irq_chip, handle_simple_irq);
>    irq_set_chip_data(irq, domain->host_data);
> -    set_irq_flags(irq, IRQF_VALID);
> 
>    return 0;
> }
> diff --git a/drivers/pci/host/pci-keystone-dw.c b/drivers/pci/host/pci-keystone-dw.c
> index f34892e..f1d0749 100644
> --- a/drivers/pci/host/pci-keystone-dw.c
> +++ b/drivers/pci/host/pci-keystone-dw.c
> @@ -196,7 +196,6 @@ static int ks_dw_pcie_msi_map(struct irq_domain *domain, unsigned int irq,
>    irq_set_chip_and_handler(irq, &ks_dw_pcie_msi_irq_chip,
>                 handle_level_irq);
>    irq_set_chip_data(irq, domain->host_data);
> -    set_irq_flags(irq, IRQF_VALID);
> 
>    return 0;
> }
> @@ -277,7 +276,6 @@ static int ks_dw_pcie_init_legacy_irq_map(struct irq_domain *d,
>    irq_set_chip_and_handler(irq, &ks_dw_pcie_legacy_irq_chip,
>                 handle_level_irq);
>    irq_set_chip_data(irq, d->host_data);
> -    set_irq_flags(irq, IRQF_VALID);
> 
>    return 0;
> }
> diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
> index 10c0571..81df0c1 100644
> --- a/drivers/pci/host/pci-tegra.c
> +++ b/drivers/pci/host/pci-tegra.c
> @@ -1248,7 +1248,6 @@ static int tegra_msi_map(struct irq_domain *domain, unsigned int irq,
> {
>    irq_set_chip_and_handler(irq, &tegra_msi_irq_chip, handle_simple_irq);
>    irq_set_chip_data(irq, domain->host_data);
> -    set_irq_flags(irq, IRQF_VALID);
> 
>    tegra_cpuidle_pcie_irqs_in_use();
> 
> diff --git a/drivers/pci/host/pci-xgene-msi.c b/drivers/pci/host/pci-xgene-msi.c
> index 2d31d4d..8e559d1 100644
> --- a/drivers/pci/host/pci-xgene-msi.c
> +++ b/drivers/pci/host/pci-xgene-msi.c
> @@ -223,7 +223,6 @@ static int xgene_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,
>    irq_domain_set_info(domain, virq, msi_irq,
>                &xgene_msi_bottom_irq_chip, domain->host_data,
>                handle_simple_irq, NULL, NULL);
> -    set_irq_flags(virq, IRQF_VALID);
> 
>    return 0;
> }
> diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
> index 69486be..5c6b562 100644
> --- a/drivers/pci/host/pcie-designware.c
> +++ b/drivers/pci/host/pcie-designware.c
> @@ -350,7 +350,6 @@ static int dw_pcie_msi_map(struct irq_domain *domain, unsigned int irq,
> {
>    irq_set_chip_and_handler(irq, &dw_msi_irq_chip, handle_simple_irq);
>    irq_set_chip_data(irq, domain->host_data);
> -    set_irq_flags(irq, IRQF_VALID);
> 
>    return 0;
> }
> diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
> index c086210..7678fe0 100644
> --- a/drivers/pci/host/pcie-rcar.c
> +++ b/drivers/pci/host/pcie-rcar.c
> @@ -664,7 +664,6 @@ static int rcar_msi_map(struct irq_domain *domain, unsigned int irq,
> {
>    irq_set_chip_and_handler(irq, &rcar_msi_irq_chip, handle_simple_irq);
>    irq_set_chip_data(irq, domain->host_data);
> -    set_irq_flags(irq, IRQF_VALID);
> 
>    return 0;
> }
> diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c
> index f1a06a0..72015119 100644
> --- a/drivers/pci/host/pcie-xilinx.c
> +++ b/drivers/pci/host/pcie-xilinx.c
> @@ -338,7 +338,6 @@ static int xilinx_pcie_msi_map(struct irq_domain *domain, unsigned int irq,
> {
>    irq_set_chip_and_handler(irq, &xilinx_msi_irq_chip, handle_simple_irq);
>    irq_set_chip_data(irq, domain->host_data);
> -    set_irq_flags(irq, IRQF_VALID);
> 
>    return 0;
> }
> @@ -377,7 +376,6 @@ static int xilinx_pcie_intx_map(struct irq_domain *domain, unsigned int irq,
> {
>    irq_set_chip_and_handler(irq, &dummy_irq_chip, handle_simple_irq);
>    irq_set_chip_data(irq, domain->host_data);
> -    set_irq_flags(irq, IRQF_VALID);
> 
>    return 0;
> }
> --
> 2.1.0
> 
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Bjorn Helgaas Aug. 11, 2015, 8:20 p.m. UTC | #2
On Mon, Jul 27, 2015 at 03:55:21PM -0500, Rob Herring wrote:
> set_irq_flags is ARM specific with custom flags which have genirq
> equivalents. Convert drivers to use the genirq interfaces directly, so we
> can kill off set_irq_flags. The translation of flags is as follows:
> 
> IRQF_VALID -> !IRQ_NOREQUEST
> IRQF_PROBE -> !IRQ_NOPROBE
> IRQF_NOAUTOEN -> IRQ_NOAUTOEN
> 
> For IRQs managed by an irqdomain, the irqdomain core code handles clearing
> and setting IRQ_NOREQUEST already, so there is no need to do this in
> .map() functions and we can simply remove the set_irq_flags calls. Some
> users also modify IRQ_NOPROBE and this has been maintained although it
> is not clear that is really needed. There appears to be a great deal of
> blind copy and paste of this code.
> 
> Signed-off-by: Rob Herring <robh@kernel.org>
> Cc: Kishon Vijay Abraham I <kishon@ti.com>
> Acked-by: Bjorn Helgaas <bhelgaas@google.com>
> Cc: Murali Karicheri <m-karicheri2@ti.com>
> Cc: Thierry Reding <thierry.reding@gmail.com>
> Cc: Stephen Warren <swarren@wwwdotorg.org>
> Cc: Alexandre Courbot <gnurou@gmail.com>
> Cc: Jingoo Han <jingoohan1@gmail.com>
> Cc: Pratyush Anand <pratyush.anand@gmail.com>
> Cc: Simon Horman <horms@verge.net.au>
> Cc: Michal Simek <michal.simek@xilinx.com>
> Cc: "Sören Brinkmann" <soren.brinkmann@xilinx.com>
> Cc: linux-omap@vger.kernel.org
> Cc: linux-pci@vger.kernel.org
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-tegra@vger.kernel.org
> Cc: linux-sh@vger.kernel.org
> ---
> Thomas asked that this be merged thru subsystem trees instead of arm-soc,
> so please apply this to your tree.

Applied with Jingoo's ack to pci/irq for v4.3, thanks!

>  drivers/pci/host/pci-dra7xx.c      | 1 -
>  drivers/pci/host/pci-keystone-dw.c | 2 --
>  drivers/pci/host/pci-tegra.c       | 1 -
>  drivers/pci/host/pci-xgene-msi.c   | 1 -
>  drivers/pci/host/pcie-designware.c | 1 -
>  drivers/pci/host/pcie-rcar.c       | 1 -
>  drivers/pci/host/pcie-xilinx.c     | 2 --
>  7 files changed, 9 deletions(-)
> 
> diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c
> index 80db09e..1a0d124 100644
> --- a/drivers/pci/host/pci-dra7xx.c
> +++ b/drivers/pci/host/pci-dra7xx.c
> @@ -155,7 +155,6 @@ static int dra7xx_pcie_intx_map(struct irq_domain *domain, unsigned int irq,
>  {
>  	irq_set_chip_and_handler(irq, &dummy_irq_chip, handle_simple_irq);
>  	irq_set_chip_data(irq, domain->host_data);
> -	set_irq_flags(irq, IRQF_VALID);
> 
>  	return 0;
>  }
> diff --git a/drivers/pci/host/pci-keystone-dw.c b/drivers/pci/host/pci-keystone-dw.c
> index f34892e..f1d0749 100644
> --- a/drivers/pci/host/pci-keystone-dw.c
> +++ b/drivers/pci/host/pci-keystone-dw.c
> @@ -196,7 +196,6 @@ static int ks_dw_pcie_msi_map(struct irq_domain *domain, unsigned int irq,
>  	irq_set_chip_and_handler(irq, &ks_dw_pcie_msi_irq_chip,
>  				 handle_level_irq);
>  	irq_set_chip_data(irq, domain->host_data);
> -	set_irq_flags(irq, IRQF_VALID);
> 
>  	return 0;
>  }
> @@ -277,7 +276,6 @@ static int ks_dw_pcie_init_legacy_irq_map(struct irq_domain *d,
>  	irq_set_chip_and_handler(irq, &ks_dw_pcie_legacy_irq_chip,
>  				 handle_level_irq);
>  	irq_set_chip_data(irq, d->host_data);
> -	set_irq_flags(irq, IRQF_VALID);
> 
>  	return 0;
>  }
> diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
> index 10c0571..81df0c1 100644
> --- a/drivers/pci/host/pci-tegra.c
> +++ b/drivers/pci/host/pci-tegra.c
> @@ -1248,7 +1248,6 @@ static int tegra_msi_map(struct irq_domain *domain, unsigned int irq,
>  {
>  	irq_set_chip_and_handler(irq, &tegra_msi_irq_chip, handle_simple_irq);
>  	irq_set_chip_data(irq, domain->host_data);
> -	set_irq_flags(irq, IRQF_VALID);
> 
>  	tegra_cpuidle_pcie_irqs_in_use();
> 
> diff --git a/drivers/pci/host/pci-xgene-msi.c b/drivers/pci/host/pci-xgene-msi.c
> index 2d31d4d..8e559d1 100644
> --- a/drivers/pci/host/pci-xgene-msi.c
> +++ b/drivers/pci/host/pci-xgene-msi.c
> @@ -223,7 +223,6 @@ static int xgene_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,
>  	irq_domain_set_info(domain, virq, msi_irq,
>  			    &xgene_msi_bottom_irq_chip, domain->host_data,
>  			    handle_simple_irq, NULL, NULL);
> -	set_irq_flags(virq, IRQF_VALID);
> 
>  	return 0;
>  }
> diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
> index 69486be..5c6b562 100644
> --- a/drivers/pci/host/pcie-designware.c
> +++ b/drivers/pci/host/pcie-designware.c
> @@ -350,7 +350,6 @@ static int dw_pcie_msi_map(struct irq_domain *domain, unsigned int irq,
>  {
>  	irq_set_chip_and_handler(irq, &dw_msi_irq_chip, handle_simple_irq);
>  	irq_set_chip_data(irq, domain->host_data);
> -	set_irq_flags(irq, IRQF_VALID);
> 
>  	return 0;
>  }
> diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
> index c086210..7678fe0 100644
> --- a/drivers/pci/host/pcie-rcar.c
> +++ b/drivers/pci/host/pcie-rcar.c
> @@ -664,7 +664,6 @@ static int rcar_msi_map(struct irq_domain *domain, unsigned int irq,
>  {
>  	irq_set_chip_and_handler(irq, &rcar_msi_irq_chip, handle_simple_irq);
>  	irq_set_chip_data(irq, domain->host_data);
> -	set_irq_flags(irq, IRQF_VALID);
> 
>  	return 0;
>  }
> diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c
> index f1a06a0..72015119 100644
> --- a/drivers/pci/host/pcie-xilinx.c
> +++ b/drivers/pci/host/pcie-xilinx.c
> @@ -338,7 +338,6 @@ static int xilinx_pcie_msi_map(struct irq_domain *domain, unsigned int irq,
>  {
>  	irq_set_chip_and_handler(irq, &xilinx_msi_irq_chip, handle_simple_irq);
>  	irq_set_chip_data(irq, domain->host_data);
> -	set_irq_flags(irq, IRQF_VALID);
> 
>  	return 0;
>  }
> @@ -377,7 +376,6 @@ static int xilinx_pcie_intx_map(struct irq_domain *domain, unsigned int irq,
>  {
>  	irq_set_chip_and_handler(irq, &dummy_irq_chip, handle_simple_irq);
>  	irq_set_chip_data(irq, domain->host_data);
> -	set_irq_flags(irq, IRQF_VALID);
> 
>  	return 0;
>  }
> --
> 2.1.0
> 
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diff mbox

Patch

diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c
index 80db09e..1a0d124 100644
--- a/drivers/pci/host/pci-dra7xx.c
+++ b/drivers/pci/host/pci-dra7xx.c
@@ -155,7 +155,6 @@  static int dra7xx_pcie_intx_map(struct irq_domain *domain, unsigned int irq,
 {
 	irq_set_chip_and_handler(irq, &dummy_irq_chip, handle_simple_irq);
 	irq_set_chip_data(irq, domain->host_data);
-	set_irq_flags(irq, IRQF_VALID);

 	return 0;
 }
diff --git a/drivers/pci/host/pci-keystone-dw.c b/drivers/pci/host/pci-keystone-dw.c
index f34892e..f1d0749 100644
--- a/drivers/pci/host/pci-keystone-dw.c
+++ b/drivers/pci/host/pci-keystone-dw.c
@@ -196,7 +196,6 @@  static int ks_dw_pcie_msi_map(struct irq_domain *domain, unsigned int irq,
 	irq_set_chip_and_handler(irq, &ks_dw_pcie_msi_irq_chip,
 				 handle_level_irq);
 	irq_set_chip_data(irq, domain->host_data);
-	set_irq_flags(irq, IRQF_VALID);

 	return 0;
 }
@@ -277,7 +276,6 @@  static int ks_dw_pcie_init_legacy_irq_map(struct irq_domain *d,
 	irq_set_chip_and_handler(irq, &ks_dw_pcie_legacy_irq_chip,
 				 handle_level_irq);
 	irq_set_chip_data(irq, d->host_data);
-	set_irq_flags(irq, IRQF_VALID);

 	return 0;
 }
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index 10c0571..81df0c1 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -1248,7 +1248,6 @@  static int tegra_msi_map(struct irq_domain *domain, unsigned int irq,
 {
 	irq_set_chip_and_handler(irq, &tegra_msi_irq_chip, handle_simple_irq);
 	irq_set_chip_data(irq, domain->host_data);
-	set_irq_flags(irq, IRQF_VALID);

 	tegra_cpuidle_pcie_irqs_in_use();

diff --git a/drivers/pci/host/pci-xgene-msi.c b/drivers/pci/host/pci-xgene-msi.c
index 2d31d4d..8e559d1 100644
--- a/drivers/pci/host/pci-xgene-msi.c
+++ b/drivers/pci/host/pci-xgene-msi.c
@@ -223,7 +223,6 @@  static int xgene_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,
 	irq_domain_set_info(domain, virq, msi_irq,
 			    &xgene_msi_bottom_irq_chip, domain->host_data,
 			    handle_simple_irq, NULL, NULL);
-	set_irq_flags(virq, IRQF_VALID);

 	return 0;
 }
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 69486be..5c6b562 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -350,7 +350,6 @@  static int dw_pcie_msi_map(struct irq_domain *domain, unsigned int irq,
 {
 	irq_set_chip_and_handler(irq, &dw_msi_irq_chip, handle_simple_irq);
 	irq_set_chip_data(irq, domain->host_data);
-	set_irq_flags(irq, IRQF_VALID);

 	return 0;
 }
diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
index c086210..7678fe0 100644
--- a/drivers/pci/host/pcie-rcar.c
+++ b/drivers/pci/host/pcie-rcar.c
@@ -664,7 +664,6 @@  static int rcar_msi_map(struct irq_domain *domain, unsigned int irq,
 {
 	irq_set_chip_and_handler(irq, &rcar_msi_irq_chip, handle_simple_irq);
 	irq_set_chip_data(irq, domain->host_data);
-	set_irq_flags(irq, IRQF_VALID);

 	return 0;
 }
diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c
index f1a06a0..72015119 100644
--- a/drivers/pci/host/pcie-xilinx.c
+++ b/drivers/pci/host/pcie-xilinx.c
@@ -338,7 +338,6 @@  static int xilinx_pcie_msi_map(struct irq_domain *domain, unsigned int irq,
 {
 	irq_set_chip_and_handler(irq, &xilinx_msi_irq_chip, handle_simple_irq);
 	irq_set_chip_data(irq, domain->host_data);
-	set_irq_flags(irq, IRQF_VALID);

 	return 0;
 }
@@ -377,7 +376,6 @@  static int xilinx_pcie_intx_map(struct irq_domain *domain, unsigned int irq,
 {
 	irq_set_chip_and_handler(irq, &dummy_irq_chip, handle_simple_irq);
 	irq_set_chip_data(irq, domain->host_data);
-	set_irq_flags(irq, IRQF_VALID);

 	return 0;
 }