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-rwxr-xr-xcomponents/drivers/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/components/drivers/Kconfig b/components/drivers/Kconfig
index 1e661962b7..194b7c39bb 100755
--- a/components/drivers/Kconfig
+++ b/components/drivers/Kconfig
@@ -13,6 +13,7 @@ config RT_USING_DEVICE_IPC
config RT_UNAMED_PIPE_NUMBER
int "The number of unamed pipe"
+ depends on RT_USING_DEVICE_IPC
default 64
if RT_USING_DEVICE_IPC