mailbox: zynq: make modular

This driver has a MODULE_LICENSE but is not tristate so cannot be
built as a module, unlike all its peers: make it modular to match.

Signed-off-by: Nick Alcock <nick.alcock@oracle.com>
Suggested-by: Michal Simek <michal.simek@xilinx.com>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: linux-modules@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Hitomi Hasegawa <hasegawa-hitomi@fujitsu.com>
Cc: Jassi Brar <jassisinghbrar@gmail.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>

diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig
index 1495965bc394c07acee04ab6858ea02c6aece22f..af6b0f5b491ddc2b0102ac4424ade9f7502db840 100644 (file)
--- a/drivers/mailbox/Kconfig
+++ b/drivers/mailbox/Kconfig
@@ -259,7 +259,7 @@ config MTK_CMDQ_MBOX
          during the vblank.
 
 config ZYNQMP_IPI_MBOX
-       bool "Xilinx ZynqMP IPI Mailbox"
+       tristate "Xilinx ZynqMP IPI Mailbox"
        depends on ARCH_ZYNQMP && OF
        help
          Say yes here to add support for Xilinx IPI mailbox driver.