MIPS, IRQ: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc

Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc while we
already have a pointer to corresponding irq_desc.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Acked-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Aleksey Makarov <aleksey.makarov@auriga.com>
Cc: David Daney <david.daney@cavium.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: John Crispin <blogic@openwrt.org>
Cc: Andrew Bresticker <abrestic@chromium.org>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: x86@kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Cc: linux-acpi@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/10086/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/ath25/ar2315.c

@@ -76,7 +76,7 @@ static void ar2315_misc_irq_handler(unsigned irq, struct irq_desc *desc)
 	unsigned nr, misc_irq = 0;
 
 	if (pending) {
-		struct irq_domain *domain = irq_get_handler_data(irq);
+		struct irq_domain *domain = irq_desc_get_handler_data(desc);
 
 		nr = __ffs(pending);
 		misc_irq = irq_find_mapping(domain, nr);

arch/mips/ath25/ar5312.c

@@ -80,7 +80,7 @@ static void ar5312_misc_irq_handler(unsigned irq, struct irq_desc *desc)
 	unsigned nr, misc_irq = 0;
 
 	if (pending) {
-		struct irq_domain *domain = irq_get_handler_data(irq);
+		struct irq_domain *domain = irq_desc_get_handler_data(desc);
 
 		nr = __ffs(pending);
 		misc_irq = irq_find_mapping(domain, nr);

arch/mips/cavium-octeon/octeon-irq.c

@@ -698,7 +698,9 @@ static void octeon_irq_ciu_gpio_ack(struct irq_data *data)
 
 static void octeon_irq_handle_trigger(unsigned int irq, struct irq_desc *desc)
 {
-	if (irq_get_trigger_type(irq) & IRQ_TYPE_EDGE_BOTH)
+	struct irq_data *data = irq_desc_get_irq_data(desc);
+
+	if (irqd_get_trigger_type(data) & IRQ_TYPE_EDGE_BOTH)
 		handle_edge_irq(irq, desc);
 	else
 		handle_level_irq(irq, desc);

arch/mips/pci/pci-ar2315.c

@@ -320,7 +320,7 @@ static int ar2315_pci_host_setup(struct ar2315_pci_ctrl *apc)
 
 static void ar2315_pci_irq_handler(unsigned irq, struct irq_desc *desc)
 {
-	struct ar2315_pci_ctrl *apc = irq_get_handler_data(irq);
+	struct ar2315_pci_ctrl *apc = irq_desc_get_handler_data(desc);
 	u32 pending = ar2315_pci_reg_read(apc, AR2315_PCI_ISR) &
 		      ar2315_pci_reg_read(apc, AR2315_PCI_IMR);
 	unsigned pci_irq = 0;

arch/mips/pci/pci-ar71xx.c

@@ -232,7 +232,7 @@ static void ar71xx_pci_irq_handler(unsigned int irq, struct irq_desc *desc)
 	void __iomem *base = ath79_reset_base;
 	u32 pending;
 
-	apc = irq_get_handler_data(irq);
+	apc = irq_desc_get_handler_data(desc);
 
 	pending = __raw_readl(base + AR71XX_RESET_REG_PCI_INT_STATUS) &
 		  __raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE);

arch/mips/pci/pci-ar724x.c

@@ -231,7 +231,7 @@ static void ar724x_pci_irq_handler(unsigned int irq, struct irq_desc *desc)
 	void __iomem *base;
 	u32 pending;
 
-	apc = irq_get_handler_data(irq);
+	apc = irq_desc_get_handler_data(desc);
 	base = apc->ctrl_base;
 
 	pending = __raw_readl(base + AR724X_PCI_REG_INT_STATUS) &

arch/mips/pci/pci-rt3883.c

@@ -134,7 +134,7 @@ static void rt3883_pci_irq_handler(unsigned int irq, struct irq_desc *desc)
 	struct rt3883_pci_controller *rpc;
 	u32 pending;
 
-	rpc = irq_get_handler_data(irq);
+	rpc = irq_desc_get_handler_data(desc);
 
 	pending = rt3883_pci_r32(rpc, RT3883_PCI_REG_PCIINT) &
 		  rt3883_pci_r32(rpc, RT3883_PCI_REG_PCIENA);

arch/mips/ralink/irq.c

@@ -100,7 +100,7 @@ static void ralink_intc_irq_handler(unsigned int irq, struct irq_desc *desc)
 	u32 pending = rt_intc_r32(INTC_REG_STATUS0);
 
 	if (pending) {
-		struct irq_domain *domain = irq_get_handler_data(irq);
+		struct irq_domain *domain = irq_desc_get_handler_data(desc);
 		generic_handle_irq(irq_find_mapping(domain, __ffs(pending)));
 	} else {
 		spurious_interrupt();