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 set 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 <r...@kernel.org>
Cc: Kishon Vijay Abraham I <kis...@ti.com>
Cc: Bjorn Helgaas <bhelg...@google.com>
Cc: Murali Karicheri <m-kariche...@ti.com>
Cc: Thierry Reding <thierry.red...@gmail.com>
Cc: Stephen Warren <swar...@wwwdotorg.org>
Cc: Alexandre Courbot <gnu...@gmail.com>
Cc: Jingoo Han <jingooh...@gmail.com>
Cc: Pratyush Anand <pratyush.an...@gmail.com>
Cc: Simon Horman <ho...@verge.net.au>
Cc: Michal Simek <michal.si...@xilinx.com>
Cc: "Sören Brinkmann" <soren.brinkm...@xilinx.com>
Cc: linux-o...@vger.kernel.org
Cc: linux-...@vger.kernel.org
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-te...@vger.kernel.org
Cc: linux...@vger.kernel.org
---
 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/pcie-designware.c | 1 -
 drivers/pci/host/pcie-rcar.c       | 1 -
 drivers/pci/host/pcie-xilinx.c     | 2 --
 6 files changed, 8 deletions(-)

diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c
index 2d57e19..94cbc4d 100644
--- a/drivers/pci/host/pci-dra7xx.c
+++ b/drivers/pci/host/pci-dra7xx.c
@@ -160,7 +160,6 @@ 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 00e9272..36bd700 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -1263,7 +1263,6 @@ 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/pcie-designware.c 
b/drivers/pci/host/pcie-designware.c
index 2e9f84f..5caa94d 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -333,7 +333,6 @@ 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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