[PATCH] EDAC, i10nm: make skx_common.o a separate module

From: Arnd Bergmann
Date: Wed May 29 2024 - 05:52:22 EST


From: Arnd Bergmann <arnd@xxxxxxxx>

Linking an object file into multiple modules causes a warning:

scripts/Makefile.build:236: drivers/edac/Makefile: skx_common.o is added to multiple modules: i10nm_edac skx_edac

Make this a separate module instead.

Fixes: d4dc89d069aa ("EDAC, i10nm: Add a driver for Intel 10nm server processors")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
drivers/edac/Makefile | 10 ++++++----
drivers/edac/skx_common.c | 21 +++++++++++++++++++--
drivers/edac/skx_common.h | 4 ++--
3 files changed, 27 insertions(+), 8 deletions(-)

diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile
index 9c09893695b7..4edfb83ffbee 100644
--- a/drivers/edac/Makefile
+++ b/drivers/edac/Makefile
@@ -54,11 +54,13 @@ obj-$(CONFIG_EDAC_MPC85XX) += mpc85xx_edac_mod.o
layerscape_edac_mod-y := fsl_ddr_edac.o layerscape_edac.o
obj-$(CONFIG_EDAC_LAYERSCAPE) += layerscape_edac_mod.o

-skx_edac-y := skx_common.o skx_base.o
-obj-$(CONFIG_EDAC_SKX) += skx_edac.o
+skx_edac_common-y := skx_common.o

-i10nm_edac-y := skx_common.o i10nm_base.o
-obj-$(CONFIG_EDAC_I10NM) += i10nm_edac.o
+skx_edac-y := skx_base.o
+obj-$(CONFIG_EDAC_SKX) += skx_edac.o skx_edac_common.o
+
+i10nm_edac-y := i10nm_base.o
+obj-$(CONFIG_EDAC_I10NM) += i10nm_edac.o skx_edac_common.o

obj-$(CONFIG_EDAC_CELL) += cell_edac.o
obj-$(CONFIG_EDAC_PPC4XX) += ppc4xx_edac.o
diff --git a/drivers/edac/skx_common.c b/drivers/edac/skx_common.c
index 27996b7924c8..8d18099fd528 100644
--- a/drivers/edac/skx_common.c
+++ b/drivers/edac/skx_common.c
@@ -48,7 +48,7 @@ static u64 skx_tolm, skx_tohm;
static LIST_HEAD(dev_edac_list);
static bool skx_mem_cfg_2lm;

-int __init skx_adxl_get(void)
+int skx_adxl_get(void)
{
const char * const *names;
int i, j;
@@ -110,12 +110,14 @@ int __init skx_adxl_get(void)

return -ENODEV;
}
+EXPORT_SYMBOL_GPL(skx_adxl_get);

-void __exit skx_adxl_put(void)
+void skx_adxl_put(void)
{
kfree(adxl_values);
kfree(adxl_msg);
}
+EXPORT_SYMBOL_GPL(skx_adxl_put);

static bool skx_adxl_decode(struct decoded_addr *res, bool error_in_1st_level_mem)
{
@@ -187,12 +189,14 @@ void skx_set_mem_cfg(bool mem_cfg_2lm)
{
skx_mem_cfg_2lm = mem_cfg_2lm;
}
+EXPORT_SYMBOL_GPL(skx_set_mem_cfg);

void skx_set_decode(skx_decode_f decode, skx_show_retry_log_f show_retry_log)
{
driver_decode = decode;
skx_show_retry_rd_err_log = show_retry_log;
}
+EXPORT_SYMBOL_GPL(skx_set_decode);

int skx_get_src_id(struct skx_dev *d, int off, u8 *id)
{
@@ -206,6 +210,7 @@ int skx_get_src_id(struct skx_dev *d, int off, u8 *id)
*id = GET_BITFIELD(reg, 12, 14);
return 0;
}
+EXPORT_SYMBOL_GPL(skx_get_src_id);

int skx_get_node_id(struct skx_dev *d, u8 *id)
{
@@ -219,6 +224,7 @@ int skx_get_node_id(struct skx_dev *d, u8 *id)
*id = GET_BITFIELD(reg, 0, 2);
return 0;
}
+EXPORT_SYMBOL_GPL(skx_get_node_id);

static int get_width(u32 mtr)
{
@@ -284,6 +290,7 @@ int skx_get_all_bus_mappings(struct res_config *cfg, struct list_head **list)
*list = &dev_edac_list;
return ndev;
}
+EXPORT_SYMBOL_GPL(skx_get_all_bus_mappings);

int skx_get_hi_lo(unsigned int did, int off[], u64 *tolm, u64 *tohm)
{
@@ -323,6 +330,7 @@ int skx_get_hi_lo(unsigned int did, int off[], u64 *tolm, u64 *tohm)
pci_dev_put(pdev);
return -ENODEV;
}
+EXPORT_SYMBOL_GPL(skx_get_hi_lo);

static int skx_get_dimm_attr(u32 reg, int lobit, int hibit, int add,
int minval, int maxval, const char *name)
@@ -394,6 +402,7 @@ int skx_get_dimm_info(u32 mtr, u32 mcmtr, u32 amap, struct dimm_info *dimm,

return 1;
}
+EXPORT_SYMBOL_GPL(skx_get_dimm_info);

int skx_get_nvdimm_info(struct dimm_info *dimm, struct skx_imc *imc,
int chan, int dimmno, const char *mod_str)
@@ -442,6 +451,7 @@ int skx_get_nvdimm_info(struct dimm_info *dimm, struct skx_imc *imc,

return (size == 0 || size == ~0ull) ? 0 : 1;
}
+EXPORT_SYMBOL_GPL(skx_get_nvdimm_info);

int skx_register_mci(struct skx_imc *imc, struct pci_dev *pdev,
const char *ctl_name, const char *mod_str,
@@ -512,6 +522,7 @@ int skx_register_mci(struct skx_imc *imc, struct pci_dev *pdev,
imc->mci = NULL;
return rc;
}
+EXPORT_SYMBOL_GPL(skx_register_mci);

static void skx_unregister_mci(struct skx_imc *imc)
{
@@ -688,6 +699,7 @@ int skx_mce_check_error(struct notifier_block *nb, unsigned long val,
mce->kflags |= MCE_HANDLED_EDAC;
return NOTIFY_DONE;
}
+EXPORT_SYMBOL_GPL(skx_mce_check_error);

void skx_remove(void)
{
@@ -725,3 +737,8 @@ void skx_remove(void)
kfree(d);
}
}
+EXPORT_SYMBOL_GPL(skx_remove);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Tony Luck");
+MODULE_DESCRIPTION("MC Driver for Intel server processors");
diff --git a/drivers/edac/skx_common.h b/drivers/edac/skx_common.h
index b6d3607dffe2..11faf1db4fa4 100644
--- a/drivers/edac/skx_common.h
+++ b/drivers/edac/skx_common.h
@@ -231,8 +231,8 @@ typedef int (*get_dimm_config_f)(struct mem_ctl_info *mci,
typedef bool (*skx_decode_f)(struct decoded_addr *res);
typedef void (*skx_show_retry_log_f)(struct decoded_addr *res, char *msg, int len, bool scrub_err);

-int __init skx_adxl_get(void);
-void __exit skx_adxl_put(void);
+int skx_adxl_get(void);
+void skx_adxl_put(void);
void skx_set_decode(skx_decode_f decode, skx_show_retry_log_f show_retry_log);
void skx_set_mem_cfg(bool mem_cfg_2lm);

--
2.39.2