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From:   Phil Elwell <phil@raspberrypi.com>
To:     Minas Harutyunyan <hminas@synopsys.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Sasha Levin <sashal@kernel.org>,
        Artur Petrosyan <Arthur.Petrosyan@synopsys.com>,
        linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Cc:     Phil Elwell <phil@raspberrypi.com>
Subject: [PATCH v2] usb: dwc2: Fix build in periphal-only mode
Date:   Fri, 28 May 2021 10:13:50 +0100
Message-Id: <20210528091349.2602410-1-phil@raspberrypi.com>
MIME-Version: 1.0
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Precedence: bulk

The bus_suspended member of struct dwc2_hsotg is only present in builds
that support host-mode.

Fixes: 24d209dba5a3 ("usb: dwc2: Fix hibernation between host and device modes.")
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
 drivers/usb/dwc2/core_intr.c | 4 ++++
 1 file changed, 4 insertions(+)

v2: Correct commit hash used in the Fixes line.

diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c
index a5ab03808da6..03d0c034cf57 100644
--- a/drivers/usb/dwc2/core_intr.c
+++ b/drivers/usb/dwc2/core_intr.c
@@ -725,7 +725,11 @@ static inline void dwc_handle_gpwrdn_disc_det(struct dwc2_hsotg *hsotg,
 	dwc2_writel(hsotg, gpwrdn_tmp, GPWRDN);
 
 	hsotg->hibernated = 0;
+
+#if IS_ENABLED(CONFIG_USB_DWC2_HOST) ||	\
+	IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE)
 	hsotg->bus_suspended = 0;
+#endif
 
 	if (gpwrdn & GPWRDN_IDSTS) {
 		hsotg->op_state = OTG_STATE_B_PERIPHERAL;
-- 
2.25.1