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Date: Wed, 18 Oct 2023 12:19:36 +0530
From: MD Danish Anwar <danishanwar@...com>
To: Andrew Lunn <andrew@...n.ch>, Arnd Bergmann <arnd@...db.de>,
Simon Horman
<horms@...nel.org>,
Vignesh Raghavendra <vigneshr@...com>, Roger Quadros
<rogerq@...com>,
MD Danish Anwar <danishanwar@...com>, Paolo Abeni
<pabeni@...hat.com>,
Jakub Kicinski <kuba@...nel.org>, Eric Dumazet
<edumazet@...gle.com>,
"David S. Miller" <davem@...emloft.net>
CC: <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>, <srk@...com>,
<r-gunasekaran@...com>, Roger Quadros <rogerq@...nel.org>,
Alexander Lobakin
<aleksander.lobakin@...el.com>
Subject: [PATCH net v2] net: ethernet: ti: Fix mixed module-builtin object
With CONFIG_TI_K3_AM65_CPSW_NUSS=y and CONFIG_TI_ICSSG_PRUETH=m,
k3-cppi-desc-pool.o is linked to a module and also to vmlinux even though
the expected CFLAGS are different between builtins and modules.
The build system is complaining about the following:
k3-cppi-desc-pool.o is added to multiple modules: icssg-prueth
ti-am65-cpsw-nuss
Introduce the new module, k3-cppi-desc-pool, to provide the common
functions to ti-am65-cpsw-nuss and icssg-prueth.
Fixes: 128d5874c082 ("net: ti: icssg-prueth: Add ICSSG ethernet driver")
Signed-off-by: MD Danish Anwar <danishanwar@...com>
---
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Alexander Lobakin <aleksander.lobakin@...el.com>
Cc: Paolo Abeni <pabeni@...hat.com>
Changes from v1 to v2:
*) Rebased on latest net/main
*) Added Fixes tag in commit message.
*) Added MODULE_LICENSE and MODULE_DESCRIPTION in k3-cppi-desc-pool.c
v1: https://lore.kernel.org/all/20231013100549.3198564-1-danishanwar@ti.com/
drivers/net/ethernet/ti/Kconfig | 5 +++++
drivers/net/ethernet/ti/Makefile | 7 ++++---
drivers/net/ethernet/ti/k3-cppi-desc-pool.c | 10 ++++++++++
3 files changed, 19 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/ti/Kconfig b/drivers/net/ethernet/ti/Kconfig
index 0a3346650e03..cac61f5d3fd4 100644
--- a/drivers/net/ethernet/ti/Kconfig
+++ b/drivers/net/ethernet/ti/Kconfig
@@ -90,12 +90,16 @@ config TI_CPTS
The unit can time stamp PTP UDP/IPv4 and Layer 2 packets, and the
driver offers a PTP Hardware Clock.
+config TI_K3_CPPI_DESC_POOL
+ tristate
+
config TI_K3_AM65_CPSW_NUSS
tristate "TI K3 AM654x/J721E CPSW Ethernet driver"
depends on ARCH_K3 && OF && TI_K3_UDMA_GLUE_LAYER
select NET_DEVLINK
select TI_DAVINCI_MDIO
select PHYLINK
+ select TI_K3_CPPI_DESC_POOL
imply PHY_TI_GMII_SEL
depends on TI_K3_AM65_CPTS || !TI_K3_AM65_CPTS
help
@@ -187,6 +191,7 @@ config TI_ICSSG_PRUETH
tristate "TI Gigabit PRU Ethernet driver"
select PHYLIB
select TI_ICSS_IEP
+ select TI_K3_CPPI_DESC_POOL
depends on PRU_REMOTEPROC
depends on ARCH_K3 && OF && TI_K3_UDMA_GLUE_LAYER
help
diff --git a/drivers/net/ethernet/ti/Makefile b/drivers/net/ethernet/ti/Makefile
index 34fd7a716ba6..67bed861f31d 100644
--- a/drivers/net/ethernet/ti/Makefile
+++ b/drivers/net/ethernet/ti/Makefile
@@ -24,14 +24,15 @@ keystone_netcp-y := netcp_core.o cpsw_ale.o
obj-$(CONFIG_TI_KEYSTONE_NETCP_ETHSS) += keystone_netcp_ethss.o
keystone_netcp_ethss-y := netcp_ethss.o netcp_sgmii.o netcp_xgbepcsr.o cpsw_ale.o
+obj-$(CONFIG_TI_K3_CPPI_DESC_POOL) += k3-cppi-desc-pool.o
+
obj-$(CONFIG_TI_K3_AM65_CPSW_NUSS) += ti-am65-cpsw-nuss.o
-ti-am65-cpsw-nuss-y := am65-cpsw-nuss.o cpsw_sl.o am65-cpsw-ethtool.o cpsw_ale.o k3-cppi-desc-pool.o am65-cpsw-qos.o
+ti-am65-cpsw-nuss-y := am65-cpsw-nuss.o cpsw_sl.o am65-cpsw-ethtool.o cpsw_ale.o am65-cpsw-qos.o
ti-am65-cpsw-nuss-$(CONFIG_TI_K3_AM65_CPSW_SWITCHDEV) += am65-cpsw-switchdev.o
obj-$(CONFIG_TI_K3_AM65_CPTS) += am65-cpts.o
obj-$(CONFIG_TI_ICSSG_PRUETH) += icssg-prueth.o
-icssg-prueth-y := k3-cppi-desc-pool.o \
- icssg/icssg_prueth.o \
+icssg-prueth-y := icssg/icssg_prueth.o \
icssg/icssg_classifier.o \
icssg/icssg_queues.o \
icssg/icssg_config.o \
diff --git a/drivers/net/ethernet/ti/k3-cppi-desc-pool.c b/drivers/net/ethernet/ti/k3-cppi-desc-pool.c
index 38cc12f9f133..05cc7aab1ec8 100644
--- a/drivers/net/ethernet/ti/k3-cppi-desc-pool.c
+++ b/drivers/net/ethernet/ti/k3-cppi-desc-pool.c
@@ -39,6 +39,7 @@ void k3_cppi_desc_pool_destroy(struct k3_cppi_desc_pool *pool)
gen_pool_destroy(pool->gen_pool); /* frees pool->name */
}
+EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_destroy);
struct k3_cppi_desc_pool *
k3_cppi_desc_pool_create_name(struct device *dev, size_t size,
@@ -98,29 +99,38 @@ k3_cppi_desc_pool_create_name(struct device *dev, size_t size,
devm_kfree(pool->dev, pool);
return ERR_PTR(ret);
}
+EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_create_name);
dma_addr_t k3_cppi_desc_pool_virt2dma(struct k3_cppi_desc_pool *pool,
void *addr)
{
return addr ? pool->dma_addr + (addr - pool->cpumem) : 0;
}
+EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_virt2dma);
void *k3_cppi_desc_pool_dma2virt(struct k3_cppi_desc_pool *pool, dma_addr_t dma)
{
return dma ? pool->cpumem + (dma - pool->dma_addr) : NULL;
}
+EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_dma2virt);
void *k3_cppi_desc_pool_alloc(struct k3_cppi_desc_pool *pool)
{
return (void *)gen_pool_alloc(pool->gen_pool, pool->desc_size);
}
+EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_alloc);
void k3_cppi_desc_pool_free(struct k3_cppi_desc_pool *pool, void *addr)
{
gen_pool_free(pool->gen_pool, (unsigned long)addr, pool->desc_size);
}
+EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_free);
size_t k3_cppi_desc_pool_avail(struct k3_cppi_desc_pool *pool)
{
return gen_pool_avail(pool->gen_pool) / pool->desc_size;
}
+EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_avail);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("TI K3 CPPI5 descriptors pool API");
base-commit: f6c7b42243565a4ed8bc9d6f681b6d0cae026abc
--
2.34.1
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