linux-kernel - [PATCH v2] ARC: [plat-hsdk]: fix USB regression

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Message-Id: <20200407200642.12749-1-Eugeniy.Paltsev@synopsys.com>
Date:   Tue,  7 Apr 2020 23:06:42 +0300
From:   Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
To:     linux-snps-arc@...ts.infradead.org,
        Vineet Gupta <Vineet.Gupta1@...opsys.com>
Cc:     linux-kernel@...r.kernel.org,
        Alexey Brodkin <Alexey.Brodkin@...opsys.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
Subject: [PATCH v2] ARC: [plat-hsdk]: fix USB regression

As of today the CONFIG_USB isn't explicitly present in HSDK defconfig
as it is implicitly forcibly enabled by UDL driver which selects CONFIG_USB
in its kconfig.
The commit 5d50bd440bc2 ("drm/udl: Make udl driver depend on CONFIG_USB")
reverse the dependencies between UDL and USB so UDL now depends on
CONFIG_USB and not selects it. This introduces regression for ARC HSDK
board as HSDK defconfig wasn't adjusted and now it misses USB support
due to lack of CONFIG_USB enabled.

Fix that.

Cc: <stable@...r.kernel.org> # 5.6.x
Fixes: 5d50bd440bc2 ("drm/udl: Make udl driver depend on CONFIG_USB")
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
---
Changes v1->v2:
 * fix typo, add tag for stable

 arch/arc/configs/hsdk_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
index 0974226fab55..aa000075a575 100644
--- a/arch/arc/configs/hsdk_defconfig
+++ b/arch/arc/configs/hsdk_defconfig
@@ -65,6 +65,7 @@ CONFIG_DRM_UDL=y
 CONFIG_DRM_ETNAVIV=y
 CONFIG_FB=y
 CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_HCD_PLATFORM=y
 CONFIG_USB_OHCI_HCD=y
-- 
2.21.1