linux-kernel - [PATCH] scsi: ufs: core: Fix build error: ufshcd_opp_config

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Date:   Thu, 12 Oct 2023 07:20:51 +0000
From:   "Alessandro Carminati (Red Hat)" <alessandro.carminati@...il.com>
To:     manivannan.sadhasivam@...aro.org
Cc:     alim.akhtar@...sung.com, andersson@...nel.org, avri.altman@....com,
        bmasney@...hat.com, bvanassche@....org, conor+dt@...nel.org,
        cw00.choi@...sung.com, devicetree@...r.kernel.org,
        jejb@...ux.ibm.com, konrad.dybcio@...aro.org,
        krzysztof.kozlowski+dt@...aro.org, krzysztof.kozlowski@...aro.org,
        kyungmin.park@...sung.com, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-scsi@...r.kernel.org, martin.petersen@...cle.com,
        myungjoo.ham@...sung.com, nm@...com, quic_asutoshd@...cinc.com,
        quic_bhaskarv@...cinc.com, quic_cang@...cinc.com,
        quic_narepall@...cinc.com, quic_nguyenb@...cinc.com,
        quic_nitirawa@...cinc.com, quic_richardp@...cinc.com,
        quic_ziqichen@...cinc.com, robh+dt@...nel.org, sboyd@...nel.org,
        vireshk@...nel.org,
        "Alessandro Carminati (Red Hat)" <alessandro.carminati@...il.com>
Subject: [PATCH] scsi: ufs: core: Fix build error: ufshcd_opp_config_clks

Building linux-6.6-rc3 with this patchset applied and the following
configuration:

CONFIG_SCSI_UFSHCD=m
CONFIG_SCSI_UFS_BSG=y

I got:

   scripts/mod/modpost -M -m -a      -o Module.symvers -T modules.order vmlinux.o
ERROR: modpost: "ufshcd_opp_config_clks" [drivers/ufs/host/ufshcd-pltfrm.ko] undefined!
make[2]: *** [scripts/Makefile.modpost:145: Module.symvers] Error 1
make[1]: *** [/home/alessandro/src/linux-6.6-rc3/Makefile:1865: modpost] Error 2
make: *** [Makefile:234: __sub-make] Error 2

I needed to add an export symbol to have the build complete

Signed-off-by: Alessandro Carminati (Red Hat) <alessandro.carminati@...il.com>
---
 drivers/ufs/core/ufshcd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index ccd7fcd18355..c0631c37c3d1 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -1098,6 +1098,7 @@ int ufshcd_opp_config_clks(struct device *dev, struct opp_table *opp_table,
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(ufshcd_opp_config_clks);
 
 static int ufshcd_opp_set_rate(struct ufs_hba *hba, unsigned long freq)
 {
-- 
2.34.1