[PATCH 4.4 58/78] rtc: pl031: make interrupt optional

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Russell King [ Upstream commit 5b64a2965dfdfca8039e93303c64e2b15c19ff0c ] On some platforms, the interrupt for the PL031 is optional. Avoid trying to claim the

[PATCH 4.4 58/78] rtc: pl031: make interrupt optional

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Russell King [ Upstream commit 5b64a2965dfdfca8039e93303c64e2b15c19ff0c ] On some platforms, the interrupt for the PL031 is optional. Avoid trying to claim the interrupt if it's not