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Date: Tue, 25 Jul 2023 08:43:40 +0200
From: Arnd Bergmann <arnd@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Ioana Ciornei <ioana.ciornei@....com>
Cc: Arnd Bergmann <arnd@...db.de>,
Russell King <linux@...linux.org.uk>,
Robert-Ionut Alexa <robert-ionut.alexa@....com>,
"Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
Vladimir Oltean <vladimir.oltean@....com>,
Wolfram Sang <wsa+renesas@...g-engineering.com>,
Sean Anderson <sean.anderson@...o.com>,
Josua Mayer <josua@...id-run.com>,
netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] dpaa: avoid linking objects into multiple modules
From: Arnd Bergmann <arnd@...db.de>
Each object file contains information about which module it gets linked
into, so linking the same file into multiple modules now causes a warning:
scripts/Makefile.build:254: drivers/net/ethernet/freescale/dpaa2/Makefile: dpaa2-mac.o is added to multiple modules: fsl-dpaa2-eth fsl-dpaa2-switch
scripts/Makefile.build:254: drivers/net/ethernet/freescale/dpaa2/Makefile: dpmac.o is added to multiple modules: fsl-dpaa2-eth fsl-dpaa2-switch
Chang the way that dpaa2 is built by moving the two common files into a
separate module with exported symbols instead.
To avoid a link failure when the switch driver is built-in, but the dpio driver
is a loadable module, add the same dependency in there that exists for
the ethernet driver.
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
drivers/net/ethernet/freescale/Makefile | 4 +---
drivers/net/ethernet/freescale/dpaa2/Kconfig | 1 +
drivers/net/ethernet/freescale/dpaa2/Makefile | 9 +++++----
drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c | 11 +++++++++++
4 files changed, 18 insertions(+), 7 deletions(-)
diff --git a/drivers/net/ethernet/freescale/Makefile b/drivers/net/ethernet/freescale/Makefile
index de7b318422330..c63e0c090f8f7 100644
--- a/drivers/net/ethernet/freescale/Makefile
+++ b/drivers/net/ethernet/freescale/Makefile
@@ -22,6 +22,4 @@ ucc_geth_driver-objs := ucc_geth.o ucc_geth_ethtool.o
obj-$(CONFIG_FSL_FMAN) += fman/
obj-$(CONFIG_FSL_DPAA_ETH) += dpaa/
-obj-$(CONFIG_FSL_DPAA2_ETH) += dpaa2/
-
-obj-y += enetc/
+obj-y += enetc/ dpaa2/
diff --git a/drivers/net/ethernet/freescale/dpaa2/Kconfig b/drivers/net/ethernet/freescale/dpaa2/Kconfig
index d029b69c3f183..4e26b5a4bc5c4 100644
--- a/drivers/net/ethernet/freescale/dpaa2/Kconfig
+++ b/drivers/net/ethernet/freescale/dpaa2/Kconfig
@@ -32,6 +32,7 @@ config FSL_DPAA2_PTP_CLOCK
config FSL_DPAA2_SWITCH
tristate "Freescale DPAA2 Ethernet Switch"
+ depends on FSL_MC_BUS && FSL_MC_DPIO
depends on BRIDGE || BRIDGE=n
depends on NET_SWITCHDEV
help
diff --git a/drivers/net/ethernet/freescale/dpaa2/Makefile b/drivers/net/ethernet/freescale/dpaa2/Makefile
index 1b05ba8d1cbff..c042d2c27926c 100644
--- a/drivers/net/ethernet/freescale/dpaa2/Makefile
+++ b/drivers/net/ethernet/freescale/dpaa2/Makefile
@@ -3,15 +3,16 @@
# Makefile for the Freescale DPAA2 Ethernet controller
#
-obj-$(CONFIG_FSL_DPAA2_ETH) += fsl-dpaa2-eth.o
+obj-$(CONFIG_FSL_DPAA2_ETH) += fsl-dpaa2-eth.o fsl-dpaa2-common.o
obj-$(CONFIG_FSL_DPAA2_PTP_CLOCK) += fsl-dpaa2-ptp.o
-obj-$(CONFIG_FSL_DPAA2_SWITCH) += fsl-dpaa2-switch.o
+obj-$(CONFIG_FSL_DPAA2_SWITCH) += fsl-dpaa2-switch.o fsl-dpaa2-common.o
-fsl-dpaa2-eth-objs := dpaa2-eth.o dpaa2-ethtool.o dpni.o dpaa2-mac.o dpmac.o dpaa2-eth-devlink.o dpaa2-xsk.o
+fsl-dpaa2-eth-objs := dpaa2-eth.o dpaa2-ethtool.o dpni.o dpaa2-eth-devlink.o dpaa2-xsk.o
fsl-dpaa2-eth-${CONFIG_FSL_DPAA2_ETH_DCB} += dpaa2-eth-dcb.o
fsl-dpaa2-eth-${CONFIG_DEBUG_FS} += dpaa2-eth-debugfs.o
fsl-dpaa2-ptp-objs := dpaa2-ptp.o dprtc.o
-fsl-dpaa2-switch-objs := dpaa2-switch.o dpaa2-switch-ethtool.o dpsw.o dpaa2-switch-flower.o dpaa2-mac.o dpmac.o
+fsl-dpaa2-switch-objs := dpaa2-switch.o dpaa2-switch-ethtool.o dpsw.o dpaa2-switch-flower.o
+fsl-dpaa2-common-objs += dpaa2-mac.o dpmac.o
# Needed by the tracing framework
CFLAGS_dpaa2-eth.o := -I$(src)
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
index a69bb22c37eab..4def1238855be 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
@@ -348,6 +348,7 @@ void dpaa2_mac_start(struct dpaa2_mac *mac)
phylink_start(mac->phylink);
}
+EXPORT_SYMBOL_GPL(dpaa2_mac_start);
void dpaa2_mac_stop(struct dpaa2_mac *mac)
{
@@ -358,6 +359,7 @@ void dpaa2_mac_stop(struct dpaa2_mac *mac)
if (mac->serdes_phy)
phy_power_off(mac->serdes_phy);
}
+EXPORT_SYMBOL_GPL(dpaa2_mac_stop);
int dpaa2_mac_connect(struct dpaa2_mac *mac)
{
@@ -450,6 +452,7 @@ int dpaa2_mac_connect(struct dpaa2_mac *mac)
return err;
}
+EXPORT_SYMBOL_GPL(dpaa2_mac_connect);
void dpaa2_mac_disconnect(struct dpaa2_mac *mac)
{
@@ -462,6 +465,7 @@ void dpaa2_mac_disconnect(struct dpaa2_mac *mac)
of_phy_put(mac->serdes_phy);
mac->serdes_phy = NULL;
}
+EXPORT_SYMBOL_GPL(dpaa2_mac_disconnect);
int dpaa2_mac_open(struct dpaa2_mac *mac)
{
@@ -510,6 +514,7 @@ int dpaa2_mac_open(struct dpaa2_mac *mac)
dpmac_close(mac->mc_io, 0, dpmac_dev->mc_handle);
return err;
}
+EXPORT_SYMBOL_GPL(dpaa2_mac_open);
void dpaa2_mac_close(struct dpaa2_mac *mac)
{
@@ -519,6 +524,7 @@ void dpaa2_mac_close(struct dpaa2_mac *mac)
if (mac->fw_node)
fwnode_handle_put(mac->fw_node);
}
+EXPORT_SYMBOL_GPL(dpaa2_mac_close);
static char dpaa2_mac_ethtool_stats[][ETH_GSTRING_LEN] = {
[DPMAC_CNT_ING_ALL_FRAME] = "[mac] rx all frames",
@@ -557,6 +563,7 @@ int dpaa2_mac_get_sset_count(void)
{
return DPAA2_MAC_NUM_STATS;
}
+EXPORT_SYMBOL_GPL(dpaa2_mac_get_sset_count);
void dpaa2_mac_get_strings(u8 *data)
{
@@ -568,6 +575,7 @@ void dpaa2_mac_get_strings(u8 *data)
p += ETH_GSTRING_LEN;
}
}
+EXPORT_SYMBOL_GPL(dpaa2_mac_get_strings);
void dpaa2_mac_get_ethtool_stats(struct dpaa2_mac *mac, u64 *data)
{
@@ -587,3 +595,6 @@ void dpaa2_mac_get_ethtool_stats(struct dpaa2_mac *mac, u64 *data)
*(data + i) = value;
}
}
+EXPORT_SYMBOL_GPL(dpaa2_mac_get_ethtool_stats);
+
+MODULE_LICENSE("GPL");
--
2.39.2
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