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List:       linux-rtc
Subject:    [PATCH] drivers: rtc: Make xilinx zynqmp driver depend on HAS_IOMEM
From:       David Gow <davidgow () google ! com>
Date:       2021-01-27 3:51:47
Message-ID: 20210127035146.1523286-1-davidgow () google ! com
[Download RAW message or body]

The Xilinx zynqmp RTC driver makes use of IOMEM functions like
devm_platform_ioremap_resource(), which are only available if
CONFIG_HAS_IOMEM is defined.

This causes the driver not to be enable under make ARCH=um allyesconfig,
even though it won't build.

By adding a dependency on HAS_IOMEM, the driver will not be enabled on
architectures which don't support it.

Fixes: 09ef18bcd5ac ("rtc: use devm_platform_ioremap_resource() to simplify code")
Signed-off-by: David Gow <davidgow@google.com>
---
 drivers/rtc/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 6123f9f4fbc9..474d95184f20 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -1300,7 +1300,7 @@ config RTC_DRV_OPAL
 
 config RTC_DRV_ZYNQMP
 	tristate "Xilinx Zynq Ultrascale+ MPSoC RTC"
-	depends on OF
+	depends on OF && HAS_IOMEM
 	help
 	  If you say yes here you get support for the RTC controller found on
 	  Xilinx Zynq Ultrascale+ MPSoC.
-- 
2.30.0.280.ga3ce27912f-goog

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