[PATCH v2 21/22] EDAC/amd64: Split dump_misc_regs() into dct/umc functions

From: Yazen Ghannam
Date: Fri Jan 27 2023 - 12:06:11 EST


From: Muralidhara M K <muralidhara.mk@xxxxxxx>

...and add a function pointer to pvt->ops.

No functional change is intended.

Signed-off-by: Muralidhara M K <muralidhara.mk@xxxxxxx>
Co-developed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@xxxxxxx>
Signed-off-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@xxxxxxx>
[Rebased/reworked patch and reworded commit message]
Co-developed-by: Yazen Ghannam <yazen.ghannam@xxxxxxx>
Signed-off-by: Yazen Ghannam <yazen.ghannam@xxxxxxx>
---
Link:
https://lore.kernel.org/r/20220509145534.44912-17-yazen.ghannam@xxxxxxx

v1->v2:
* Call function directly instead of using pointers.

drivers/edac/amd64_edac.c | 19 ++++++-------------
drivers/edac/amd64_edac.h | 1 +
2 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index ddf2178dabff..6b450544a892 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1525,7 +1525,7 @@ static void umc_debug_display_dimm_sizes(struct amd64_pvt *pvt, u8 ctrl)
}
}

-static void __dump_misc_regs_df(struct amd64_pvt *pvt)
+static void umc_dump_misc_regs(struct amd64_pvt *pvt)
{
struct amd64_umc *umc;
u32 i, tmp, umc_base;
@@ -1568,8 +1568,7 @@ static void __dump_misc_regs_df(struct amd64_pvt *pvt)
}
}

-/* Display and decode various NB registers for debug purposes. */
-static void __dump_misc_regs(struct amd64_pvt *pvt)
+static void dct_dump_misc_regs(struct amd64_pvt *pvt)
{
edac_dbg(1, "F3xE8 (NB Cap): 0x%08x\n", pvt->nbcap);

@@ -1606,15 +1605,6 @@ static void __dump_misc_regs(struct amd64_pvt *pvt)
amd64_info("using x%u syndromes.\n", pvt->ecc_sym_sz);
}

-/* Display and decode various NB registers for debug purposes. */
-static void dump_misc_regs(struct amd64_pvt *pvt)
-{
- if (pvt->umc)
- __dump_misc_regs_df(pvt);
- else
- __dump_misc_regs(pvt);
-}
-
/*
* See BKDG, F2x[1,0][5C:40], F2[1,0][6C:60]
*/
@@ -3694,6 +3684,7 @@ static struct low_ops umc_ops = {
.hw_info_get = umc_hw_info_get,
.ecc_enabled = umc_ecc_enabled,
.setup_mci_misc_attrs = umc_setup_mci_misc_attrs,
+ .dump_misc_regs = umc_dump_misc_regs,
};

/* Use Family 16h versions for defaults and adjust as needed below. */
@@ -3703,6 +3694,7 @@ static struct low_ops dct_ops = {
.hw_info_get = dct_hw_info_get,
.ecc_enabled = dct_ecc_enabled,
.setup_mci_misc_attrs = dct_setup_mci_misc_attrs,
+ .dump_misc_regs = dct_dump_misc_regs,
};

static int per_family_init(struct amd64_pvt *pvt)
@@ -3953,7 +3945,8 @@ static int probe_one_instance(unsigned int nid)

amd64_info("%s detected (node %d).\n", pvt->ctl_name, pvt->mc_node_id);

- dump_misc_regs(pvt);
+ /* Display and decode various registers for debug purposes. */
+ pvt->ops->dump_misc_regs(pvt);

return ret;

diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 1fb39d7981a2..1c64fd4a14b1 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -469,6 +469,7 @@ struct low_ops {
int (*hw_info_get)(struct amd64_pvt *pvt);
bool (*ecc_enabled)(struct amd64_pvt *pvt);
void (*setup_mci_misc_attrs)(struct mem_ctl_info *mci);
+ void (*dump_misc_regs)(struct amd64_pvt *pvt);
};

int __amd64_read_pci_cfg_dword(struct pci_dev *pdev, int offset,
--
2.25.1