netdev - [PATCH] pds_core: fix linking without CONFIG_DEBUG

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Date:   Mon,  1 May 2023 17:06:14 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     Shannon Nelson <shannon.nelson@....com>,
        Brett Creeley <brett.creeley@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     Arnd Bergmann <arnd@...db.de>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] pds_core: fix linking without CONFIG_DEBUG_FS

From: Arnd Bergmann <arnd@...db.de>

The debugfs.o file is only built when the fs is enabled:

main.c:(.text+0x47c): undefined reference to `pdsc_debugfs_del_dev'
main.c:(.text+0x8dc): undefined reference to `pdsc_debugfs_add_dev'
main.c:(.exit.text+0x14): undefined reference to `pdsc_debugfs_destroy'
main.c:(.init.text+0x8): undefined reference to `pdsc_debugfs_create'
dev.c:(.text+0x988): undefined reference to `pdsc_debugfs_add_ident'
core.c:(.text+0x6b0): undefined reference to `pdsc_debugfs_del_qcq'
core.c:(.text+0x998): undefined reference to `pdsc_debugfs_add_qcq'
core.c:(.text+0xf0c): undefined reference to `pdsc_debugfs_add_viftype'

Add dummy helper functions for these interfaces.

Fixes: 55435ea7729a ("pds_core: initial framework for pds_core PF driver")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/net/ethernet/amd/pds_core/core.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/net/ethernet/amd/pds_core/core.h b/drivers/net/ethernet/amd/pds_core/core.h
index e545fafc4819..2cc430403e9c 100644
--- a/drivers/net/ethernet/amd/pds_core/core.h
+++ b/drivers/net/ethernet/amd/pds_core/core.h
@@ -261,6 +261,7 @@ int pdsc_dl_enable_validate(struct devlink *dl, u32 id,
 
 void __iomem *pdsc_map_dbpage(struct pdsc *pdsc, int page_num);
 
+#ifdef CONFIG_DEBUG_FS
 void pdsc_debugfs_create(void);
 void pdsc_debugfs_destroy(void);
 void pdsc_debugfs_add_dev(struct pdsc *pdsc);
@@ -270,6 +271,17 @@ void pdsc_debugfs_add_viftype(struct pdsc *pdsc);
 void pdsc_debugfs_add_irqs(struct pdsc *pdsc);
 void pdsc_debugfs_add_qcq(struct pdsc *pdsc, struct pdsc_qcq *qcq);
 void pdsc_debugfs_del_qcq(struct pdsc_qcq *qcq);
+#else
+static inline void pdsc_debugfs_create(void) {}
+static inline void pdsc_debugfs_destroy(void) {}
+static inline void pdsc_debugfs_add_dev(struct pdsc *pdsc) {}
+static inline void pdsc_debugfs_del_dev(struct pdsc *pdsc) {}
+static inline void pdsc_debugfs_add_ident(struct pdsc *pdsc) {}
+static inline void pdsc_debugfs_add_viftype(struct pdsc *pdsc) {}
+static inline void pdsc_debugfs_add_irqs(struct pdsc *pdsc) {}
+static inline void pdsc_debugfs_add_qcq(struct pdsc *pdsc, struct pdsc_qcq *qcq) {}
+static inline void pdsc_debugfs_del_qcq(struct pdsc_qcq *qcq) {}
+#endif
 
 int pdsc_err_to_errno(enum pds_core_status_code code);
 bool pdsc_is_fw_running(struct pdsc *pdsc);
-- 
2.39.2