linux-kernel - [PATCH] platform/chrome: cros_ec_typec: Add a dependency on USB_ROLE

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Date:   Mon, 29 Jun 2020 12:32:23 +0200
From:   Enric Balletbo i Serra <enric.balletbo@...labora.com>
To:     linux-kernel@...r.kernel.org
Cc:     Collabora Kernel ML <kernel@...labora.com>, groeck@...omium.org,
        bleung@...omium.org, dtor@...omium.org, gwendal@...omium.org,
        pmalani@...omium.org, kernel test robot <lkp@...el.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Subject: [PATCH] platform/chrome: cros_ec_typec: Add a dependency on USB_ROLE_SWITCH

As reported by the kernel test robot the cros_ec_typec driver fails to
build if the USB_ROLE_SWITCH is not selected, to fix that, add a
dependency on that symbol. This fixes the following build error:

   drivers/platform/chrome/cros_ec_typec.c:133: undefined reference to `usb_role_switch_put'
   ld: drivers/platform/chrome/cros_ec_typec.o: in function `cros_typec_get_switch_handles':
   drivers/platform/chrome/cros_ec_typec.c:108: undefined reference to `fwnode_usb_role_switch_get'
   ld: drivers/platform/chrome/cros_ec_typec.c:117: undefined reference to `usb_role_switch_put'

Fixes: 7e7def15fa4b ("platform/chrome: cros_ec_typec: Add USB mux control")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
---

 drivers/platform/chrome/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/platform/chrome/Kconfig b/drivers/platform/chrome/Kconfig
index cf072153bdc5..a056031dee81 100644
--- a/drivers/platform/chrome/Kconfig
+++ b/drivers/platform/chrome/Kconfig
@@ -218,6 +218,7 @@ config CROS_EC_TYPEC
 	tristate "ChromeOS EC Type-C Connector Control"
 	depends on MFD_CROS_EC_DEV && TYPEC
 	depends on CROS_USBPD_NOTIFY
+	depends on USB_ROLE_SWITCH
 	default MFD_CROS_EC_DEV
 	help
 	  If you say Y here, you get support for accessing Type C connector
-- 
2.27.0