linux-kernel - [PATCH] net: dwc-xlgmac: fix missing MODULE

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Date: Sun, 16 Jun 2024 13:01:48 -0700
From: Jeff Johnson <quic_jjohnson@...cinc.com>
To: Jose Abreu <Jose.Abreu@...opsys.com>,
        "David S. Miller"
	<davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
	<kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>,
        Jeff Johnson <quic_jjohnson@...cinc.com>
Subject: [PATCH] net: dwc-xlgmac: fix missing MODULE_DESCRIPTION() warning

With ARCH=hexagon, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/net/ethernet/synopsys/dwc-xlgmac.o

With most other ARCH settings the MODULE_DESCRIPTION() is provided by
the macro invocation in dwc-xlgmac-pci.c. However, for hexagon, the
PCI bus is not enabled, and hence CONFIG_DWC_XLGMAC_PCI is not set.
As a result, dwc-xlgmac-pci.c is not compiled, and hence is not linked
into dwc-xlgmac.o.

To avoid this issue, relocate the MODULE_DESCRIPTION() and other
related macros from dwc-xlgmac-pci.c to dwc-xlgmac-common.c, since
that file already has an existing MODULE_LICENSE() and it is
unconditionally linked into dwc-xlgmac.o.

Signed-off-by: Jeff Johnson <quic_jjohnson@...cinc.com>
---
 drivers/net/ethernet/synopsys/dwc-xlgmac-common.c | 7 +++++--
 drivers/net/ethernet/synopsys/dwc-xlgmac-pci.c    | 5 -----
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c b/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c
index f8e133604146..131786aa4d5b 100644
--- a/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c
+++ b/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c
@@ -21,8 +21,6 @@
 #include "dwc-xlgmac.h"
 #include "dwc-xlgmac-reg.h"
 
-MODULE_LICENSE("Dual BSD/GPL");
-
 static int debug = -1;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "DWC ethernet debug level (0=none,...,16=all)");
@@ -725,3 +723,8 @@ void xlgmac_print_all_hw_features(struct xlgmac_pdata *pdata)
 	XLGMAC_PR("=====================================================\n");
 	XLGMAC_PR("\n");
 }
+
+MODULE_DESCRIPTION(XLGMAC_DRV_DESC);
+MODULE_VERSION(XLGMAC_DRV_VERSION);
+MODULE_AUTHOR("Jie Deng <jiedeng@...opsys.com>");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/ethernet/synopsys/dwc-xlgmac-pci.c b/drivers/net/ethernet/synopsys/dwc-xlgmac-pci.c
index fa8604d7b797..36fe538e3332 100644
--- a/drivers/net/ethernet/synopsys/dwc-xlgmac-pci.c
+++ b/drivers/net/ethernet/synopsys/dwc-xlgmac-pci.c
@@ -71,8 +71,3 @@ static struct pci_driver xlgmac_pci_driver = {
 };
 
 module_pci_driver(xlgmac_pci_driver);
-
-MODULE_DESCRIPTION(XLGMAC_DRV_DESC);
-MODULE_VERSION(XLGMAC_DRV_VERSION);
-MODULE_AUTHOR("Jie Deng <jiedeng@...opsys.com>");
-MODULE_LICENSE("Dual BSD/GPL");

---
base-commit: 83a7eefedc9b56fe7bfeff13b6c7356688ffa670
change-id: 20240616-md-hexagon-drivers-net-ethernet-synopsys-ec77b35f1a9a