stmmac: Make time functionality depend upon RTC_HCTOSYS_DEVICE

Based upon a report by Stephen Rothwell.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/stmmac/Kconfig b/drivers/net/stmmac/Kconfig
index 6439680..3c2af7c 100644 (file)
--- a/drivers/net/stmmac/Kconfig
+++ b/drivers/net/stmmac/Kconfig
@@ -32,6 +32,7 @@ config STMMAC_DUAL_MAC
 config STMMAC_TIMER
        bool "STMMAC Timer optimisation"
        default n
+       depends on RTC_HCTOSYS_DEVICE
        help
          Use an external timer for mitigating the number of network
          interrupts. Currently, for SH architectures, it is possible