The related driver need depend on HAS_IOMEM, or may be built under UML
architecture.
The related error (with allmodconfig, without pcap):
CC [M] drivers/ptp/ptp_pch.o
drivers/ptp/ptp_pch.c: In function ‘pch_remove’:
drivers/ptp/ptp_pch.c:571:3: error: implicit declaration of function ‘iounmap’ [-Werror=implicit-function-declaration]
drivers/ptp/ptp_pch.c: In function ‘pch_probe’:
drivers/ptp/ptp_pch.c:621:2: error: implicit declaration of function ‘ioremap’ [-Werror=implicit-function-declaration]
drivers/ptp/ptp_pch.c:621:13: warning: assignment makes pointer from integer without a cast [enabled by default]
cc1: some warnings being treated as errors
Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
---
drivers/ptp/Kconfig | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig
index 5be73ba..5a7910e 100644
--- a/drivers/ptp/Kconfig
+++ b/drivers/ptp/Kconfig
@@ -73,6 +73,7 @@ config DP83640_PHY
config PTP_1588_CLOCK_PCH
tristate "Intel PCH EG20T as PTP clock"
depends on X86 || COMPILE_TEST
+ depends on HAS_IOMEM
select PTP_1588_CLOCK
help
This driver adds support for using the PCH EG20T as a PTP
--
1.7.7.6
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