linux-kernel - [PATCH v2] irqchip/xilinx: Expose Kconfig option for Zynq/ZynqMP

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Date:   Mon, 19 Apr 2021 13:42:45 -0600
From:   Robert Hancock <robert.hancock@...ian.com>
To:     tglx@...utronix.de, maz@...nel.org
Cc:     michal.simek@...inx.com, linux-kernel@...r.kernel.org,
        anirudh@...inx.com, Robert Hancock <robert.hancock@...ian.com>
Subject: [PATCH v2] irqchip/xilinx: Expose Kconfig option for Zynq/ZynqMP

Previously the XILINX_INTC config option was hidden and only
auto-selected on the MicroBlaze platform. However, this IP can also be
used on the Zynq and ZynqMP platforms as a secondary cascaded
controller. Allow this option to be user-enabled on those platforms.

Signed-off-by: Robert Hancock <robert.hancock@...ian.com>
---
 drivers/irqchip/Kconfig | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index 15536e321df5..1020cc5a7800 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -279,8 +279,13 @@ config XTENSA_MX
 	select GENERIC_IRQ_EFFECTIVE_AFF_MASK
 
 config XILINX_INTC
-	bool
+	bool "Xilinx Interrupt Controller IP"
+	depends on MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP || COMPILE_TEST
 	select IRQ_DOMAIN
+	help
+	  Support for the Xilinx Interrupt Controller IP core.
+	  This is used as a primary controller with MicroBlaze and can also
+	  be used as a secondary chained controller on other platforms.
 
 config IRQ_CROSSBAR
 	bool
-- 
2.27.0