linux-kernel - [PATCH] usb: dwc3: select CONFIG_REGMAP

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Date:   Mon, 21 Oct 2019 16:18:36 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Neil Armstrong <narmstrong@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Felipe Balbi <felipe.balbi@...ux.intel.com>,
        Roger Quadros <rogerq@...com>,
        Lee Jones <lee.jones@...aro.org>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] usb: dwc3: select CONFIG_REGMAP_MMIO

After many randconfig builds, one configuration caused a link
error with dwc3-meson-g12a lacking the regmap-mmio code:

drivers/usb/dwc3/dwc3-meson-g12a.o: In function `dwc3_meson_g12a_probe':
dwc3-meson-g12a.c:(.text+0x9f): undefined reference to `__devm_regmap_init_mmio_clk'

Add the select statement that we have for all other users
of that dependency.

Fixes: c99993376f72 ("usb: dwc3: Add Amlogic G12A DWC3 glue")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/usb/dwc3/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig
index 89abc6078703..556a876c7896 100644
--- a/drivers/usb/dwc3/Kconfig
+++ b/drivers/usb/dwc3/Kconfig
@@ -102,6 +102,7 @@ config USB_DWC3_MESON_G12A
        depends on ARCH_MESON || COMPILE_TEST
        default USB_DWC3
        select USB_ROLE_SWITCH
+	select REGMAP_MMIO
        help
          Support USB2/3 functionality in Amlogic G12A platforms.
 	 Say 'Y' or 'M' if you have one such device.
-- 
2.20.0