[PATCH 3.16.y-ckt 059/104] Revert "ARM: orion5x: fix legacy orion5x IRQ numbers"

From: Luis Henriques
Date: Mon Oct 26 2015 - 10:01:23 EST


3.16.7-ckt19 -stable review patch. If anyone has any objections, please let me know.

------------------

From: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>

This reverts commit b5614b199b9990b015ae0973db5adf53e7be1651,
which was commit 5be9fc23cdb42e1d383ecc8eae8a8ff70a752708 upstream.

Ben Hutchings pointed out this was not applicable to the 3.16-ckt kernel.

Cc: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Cc: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>
Cc: Benjamin Cama <benoar@xxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
arch/arm/Kconfig | 1 -
arch/arm/mach-orion5x/include/mach/irqs.h | 64 +++++++++++++++----------------
arch/arm/mach-orion5x/irq.c | 4 +-
3 files changed, 34 insertions(+), 35 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f32418a0cd18..290f02ee0157 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -565,7 +565,6 @@ config ARCH_ORION5X
select MVEBU_MBUS
select PCI
select PLAT_ORION_LEGACY
- select MULTI_IRQ_HANDLER
help
Support for the following Marvell Orion 5x series SoCs:
Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
diff --git a/arch/arm/mach-orion5x/include/mach/irqs.h b/arch/arm/mach-orion5x/include/mach/irqs.h
index 2431d9923427..a6fa9d8f12d8 100644
--- a/arch/arm/mach-orion5x/include/mach/irqs.h
+++ b/arch/arm/mach-orion5x/include/mach/irqs.h
@@ -16,42 +16,42 @@
/*
* Orion Main Interrupt Controller
*/
-#define IRQ_ORION5X_BRIDGE (1 + 0)
-#define IRQ_ORION5X_DOORBELL_H2C (1 + 1)
-#define IRQ_ORION5X_DOORBELL_C2H (1 + 2)
-#define IRQ_ORION5X_UART0 (1 + 3)
-#define IRQ_ORION5X_UART1 (1 + 4)
-#define IRQ_ORION5X_I2C (1 + 5)
-#define IRQ_ORION5X_GPIO_0_7 (1 + 6)
-#define IRQ_ORION5X_GPIO_8_15 (1 + 7)
-#define IRQ_ORION5X_GPIO_16_23 (1 + 8)
-#define IRQ_ORION5X_GPIO_24_31 (1 + 9)
-#define IRQ_ORION5X_PCIE0_ERR (1 + 10)
-#define IRQ_ORION5X_PCIE0_INT (1 + 11)
-#define IRQ_ORION5X_USB1_CTRL (1 + 12)
-#define IRQ_ORION5X_DEV_BUS_ERR (1 + 14)
-#define IRQ_ORION5X_PCI_ERR (1 + 15)
-#define IRQ_ORION5X_USB_BR_ERR (1 + 16)
-#define IRQ_ORION5X_USB0_CTRL (1 + 17)
-#define IRQ_ORION5X_ETH_RX (1 + 18)
-#define IRQ_ORION5X_ETH_TX (1 + 19)
-#define IRQ_ORION5X_ETH_MISC (1 + 20)
-#define IRQ_ORION5X_ETH_SUM (1 + 21)
-#define IRQ_ORION5X_ETH_ERR (1 + 22)
-#define IRQ_ORION5X_IDMA_ERR (1 + 23)
-#define IRQ_ORION5X_IDMA_0 (1 + 24)
-#define IRQ_ORION5X_IDMA_1 (1 + 25)
-#define IRQ_ORION5X_IDMA_2 (1 + 26)
-#define IRQ_ORION5X_IDMA_3 (1 + 27)
-#define IRQ_ORION5X_CESA (1 + 28)
-#define IRQ_ORION5X_SATA (1 + 29)
-#define IRQ_ORION5X_XOR0 (1 + 30)
-#define IRQ_ORION5X_XOR1 (1 + 31)
+#define IRQ_ORION5X_BRIDGE 0
+#define IRQ_ORION5X_DOORBELL_H2C 1
+#define IRQ_ORION5X_DOORBELL_C2H 2
+#define IRQ_ORION5X_UART0 3
+#define IRQ_ORION5X_UART1 4
+#define IRQ_ORION5X_I2C 5
+#define IRQ_ORION5X_GPIO_0_7 6
+#define IRQ_ORION5X_GPIO_8_15 7
+#define IRQ_ORION5X_GPIO_16_23 8
+#define IRQ_ORION5X_GPIO_24_31 9
+#define IRQ_ORION5X_PCIE0_ERR 10
+#define IRQ_ORION5X_PCIE0_INT 11
+#define IRQ_ORION5X_USB1_CTRL 12
+#define IRQ_ORION5X_DEV_BUS_ERR 14
+#define IRQ_ORION5X_PCI_ERR 15
+#define IRQ_ORION5X_USB_BR_ERR 16
+#define IRQ_ORION5X_USB0_CTRL 17
+#define IRQ_ORION5X_ETH_RX 18
+#define IRQ_ORION5X_ETH_TX 19
+#define IRQ_ORION5X_ETH_MISC 20
+#define IRQ_ORION5X_ETH_SUM 21
+#define IRQ_ORION5X_ETH_ERR 22
+#define IRQ_ORION5X_IDMA_ERR 23
+#define IRQ_ORION5X_IDMA_0 24
+#define IRQ_ORION5X_IDMA_1 25
+#define IRQ_ORION5X_IDMA_2 26
+#define IRQ_ORION5X_IDMA_3 27
+#define IRQ_ORION5X_CESA 28
+#define IRQ_ORION5X_SATA 29
+#define IRQ_ORION5X_XOR0 30
+#define IRQ_ORION5X_XOR1 31

/*
* Orion General Purpose Pins
*/
-#define IRQ_ORION5X_GPIO_START 33
+#define IRQ_ORION5X_GPIO_START 32
#define NR_GPIO_IRQS 32

#define NR_IRQS (IRQ_ORION5X_GPIO_START + NR_GPIO_IRQS)
diff --git a/arch/arm/mach-orion5x/irq.c b/arch/arm/mach-orion5x/irq.c
index 086ecb87d885..cd4bac4d7e43 100644
--- a/arch/arm/mach-orion5x/irq.c
+++ b/arch/arm/mach-orion5x/irq.c
@@ -42,7 +42,7 @@ __exception_irq_entry orion5x_legacy_handle_irq(struct pt_regs *regs)
stat = readl_relaxed(MAIN_IRQ_CAUSE);
stat &= readl_relaxed(MAIN_IRQ_MASK);
if (stat) {
- unsigned int hwirq = 1 + __fls(stat);
+ unsigned int hwirq = __fls(stat);
handle_IRQ(hwirq, regs);
return;
}
@@ -51,7 +51,7 @@ __exception_irq_entry orion5x_legacy_handle_irq(struct pt_regs *regs)

void __init orion5x_init_irq(void)
{
- orion_irq_init(1, MAIN_IRQ_MASK);
+ orion_irq_init(0, MAIN_IRQ_MASK);

#ifdef CONFIG_MULTI_IRQ_HANDLER
set_handle_irq(orion5x_legacy_handle_irq);
--
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