linux-kernel - [PATCH] cdx: Fix missing GENERIC_MSI

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Message-ID: <20250716064903.52397-2-krzysztof.kozlowski@linaro.org>
Date: Wed, 16 Jul 2025 08:49:04 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Nipun Gupta <nipun.gupta@....com>,
	Nikhil Agarwal <nikhil.agarwal@....com>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org
Cc: Randy Dunlap <rdunlap@...radead.org>
Subject: [PATCH] cdx: Fix missing GENERIC_MSI_IRQ on compile test

CDX_BUS driver uses msi_setup_device_data() which is selected by
GENERIC_MSI_IRQ, thus compile testing without the latter failed:

  /usr/bin/ld: drivers/cdx/cdx.o: in function `cdx_probe':
  build/drivers/cdx/cdx.c:314: undefined reference to `msi_setup_device_data'

Reported-by: Randy Dunlap <rdunlap@...radead.org>
Closes: https://lore.kernel.org/all/b2c54a12-480c-448a-8b90-333cb03d9c14@infradead.org/
Fixes: 7f81907b7e3f ("cdx: Enable compile testing")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/cdx/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/cdx/Kconfig b/drivers/cdx/Kconfig
index 1f1e360507d7..3af41f51cf38 100644
--- a/drivers/cdx/Kconfig
+++ b/drivers/cdx/Kconfig
@@ -8,6 +8,7 @@
 config CDX_BUS
 	bool "CDX Bus driver"
 	depends on OF && ARM64 || COMPILE_TEST
+	select GENERIC_MSI_IRQ
 	help
 	  Driver to enable Composable DMA Transfer(CDX) Bus. CDX bus
 	  exposes Fabric devices which uses composable DMA IP to the
-- 
2.43.0