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From 7b1a78babd0d2cd27aa07255dee0c2d7ac0f31e3 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Sun, 21 May 2023 15:52:16 -0700
Subject: [PATCH] soc/fsl/qe: fix usb.c build errors
Git-commit: 7b1a78babd0d2cd27aa07255dee0c2d7ac0f31e3
Patch-mainline: v6.5-rc1
References: git-fixes

Fix build errors in soc/fsl/qe/usb.c when QUICC_ENGINE is not set.
This happens when PPC_EP88XC is set, which selects CPM1 & CPM.
When CPM is set, USB_FSL_QE can be set without QUICC_ENGINE
being set. When USB_FSL_QE is set, QE_USB deafults to y, which
causes build errors when QUICC_ENGINE is not set. Making
QE_USB depend on QUICC_ENGINE prevents QE_USB from defaulting to y.

Fixes these build errors:

Drivers/soc/fsl/qe/usb.o: in function `qe_usb_clock_set':
usb.c:(.text+0x1e): undefined reference to `qe_immr'
Powerpc-linux-ld: usb.c:(.text+0x2a): undefined reference to `qe_immr'
Powerpc-linux-ld: usb.c:(.text+0xbc): undefined reference to `qe_setbrg'
Powerpc-linux-ld: usb.c:(.text+0xca): undefined reference to `cmxgcr_lock'
Powerpc-linux-ld: usb.c:(.text+0xce): undefined reference to `cmxgcr_lock'

Fixes: 5e41486c408e ("powerpc/QE: add support for QE USB clocks routing")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/all/202301101500.pillNv6R-lkp@intel.com/
Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Leo Li <leoyang.li@nxp.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nicolas Schier <nicolas@fjasle.eu>
Cc: Qiang Zhao <qiang.zhao@nxp.com>
Cc: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Nicolas Schier <nicolas@jasle.eu>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/soc/fsl/qe/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/soc/fsl/qe/Kconfig b/drivers/soc/fsl/qe/Kconfig
index 7268c2fbcbc1..160c8877b0c9 100644
--- a/drivers/soc/fsl/qe/Kconfig
+++ b/drivers/soc/fsl/qe/Kconfig
@@ -62,6 +62,7 @@ config QE_TDM
 
 config QE_USB
 	bool
+	depends on QUICC_ENGINE
 	default y if USB_FSL_QE
 	help
 	  QE USB Controller support
-- 
2.35.3