From: Robert Richter <rrichter@marvell.com>
To: Borislav Petkov <bp@alien8.de>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Tony Luck <tony.luck@intel.com>
Cc: James Morse <james.morse@arm.com>,
Aristeu Rozanski <aris@redhat.com>,
Robert Richter <rrichter@marvell.com>,
Matthias Brugger <mbrugger@suse.com>,
<linux-edac@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH v2 10/10] EDAC/ghes: Carve out code into ghes_edac_register_{one,fake}()
Date: Wed, 22 Apr 2020 13:58:14 +0200 [thread overview]
Message-ID: <20200422115814.22205-11-rrichter@marvell.com> (raw)
In-Reply-To: <20200422115814.22205-1-rrichter@marvell.com>
Factor out code to register a memory controller including DIMMs. Do
this for standard and fake memory controller in the two functions
ghes_edac_register_one() and ghes_edac_register_fake().
Function ghes_edac_register_one() could be reused to register multiple
*mci structs.
Signed-off-by: Robert Richter <rrichter@marvell.com>
---
drivers/edac/ghes_edac.c | 80 ++++++++++++++++++++++------------------
1 file changed, 44 insertions(+), 36 deletions(-)
diff --git a/drivers/edac/ghes_edac.c b/drivers/edac/ghes_edac.c
index af72da156696..ee1e95e9b59b 100644
--- a/drivers/edac/ghes_edac.c
+++ b/drivers/edac/ghes_edac.c
@@ -610,11 +610,50 @@ static void ghes_mc_free(void)
edac_mc_free(mci);
}
-int ghes_edac_register(struct ghes *ghes, struct device *dev)
+static int ghes_edac_register_fake(struct device *dev)
+{
+ struct mem_ctl_info *mci;
+ struct dimm_info *dimm;
+ LIST_HEAD(empty);
+
+ mci = ghes_mc_create(dev, 0, 1);
+ if (!mci)
+ return -ENOMEM;
+
+ dimm = edac_get_dimm_by_index(mci, 0);
+
+ dimm->nr_pages = 1;
+ dimm->grain = 128;
+ dimm->mtype = MEM_UNKNOWN;
+ dimm->dtype = DEV_UNKNOWN;
+ dimm->edac_mode = EDAC_SECDED;
+
+ snprintf(dimm->label, sizeof(dimm->label), "unknown memory");
+
+ return ghes_mc_add_or_free(mci, &empty);
+}
+
+static int ghes_edac_register_one(struct device *dev, int mc_idx, int num_dimm)
{
struct dimm_fill dimm_fill;
- int rc = 0, num_dimm = 0;
struct mem_ctl_info *mci;
+
+ mci = ghes_mc_create(dev, mc_idx, num_dimm);
+ if (!mci)
+ return -ENOMEM;
+
+ dimm_fill.index = 0;
+ dimm_fill.mci = mci;
+ INIT_LIST_HEAD(&dimm_fill.dimms);
+
+ dmi_walk(ghes_edac_dmidecode, &dimm_fill);
+
+ return ghes_mc_add_or_free(mci, &dimm_fill.dimms);
+}
+
+int ghes_edac_register(struct ghes *ghes, struct device *dev)
+{
+ int rc = 0, num_dimm = 0;
int idx;
if (IS_ENABLED(CONFIG_X86)) {
@@ -648,27 +687,8 @@ int ghes_edac_register(struct ghes *ghes, struct device *dev)
* with only one DIMM for the whole address range to
* catch all errros.
*/
- struct dimm_info *dimm;
- LIST_HEAD(empty);
-
- mci = ghes_mc_create(dev, 0, 1);
- if (!mci) {
- rc = -ENOMEM;
- goto unlock;
- }
-
- dimm = edac_get_dimm_by_index(mci, 0);
-
- dimm->nr_pages = 1;
- dimm->grain = 128;
- dimm->mtype = MEM_UNKNOWN;
- dimm->dtype = DEV_UNKNOWN;
- dimm->edac_mode = EDAC_SECDED;
-
- snprintf(dimm->label, sizeof(dimm->label), "unknown memory");
-
- rc = ghes_mc_add_or_free(mci, &empty);
- if (rc)
+ rc = ghes_edac_register_fake(dev);
+ if (rc < 0)
goto unlock;
pr_info("This system has a very crappy BIOS: It doesn't even list the DIMMS.\n");
@@ -687,19 +707,7 @@ int ghes_edac_register(struct ghes *ghes, struct device *dev)
pr_info("This system has %d DIMM sockets.\n", num_dimm);
}
- mci = ghes_mc_create(dev, 0, num_dimm);
- if (!mci) {
- rc = -ENOMEM;
- goto unlock;
- }
-
- dimm_fill.index = 0;
- dimm_fill.mci = mci;
- INIT_LIST_HEAD(&dimm_fill.dimms);
-
- dmi_walk(ghes_edac_dmidecode, &dimm_fill);
-
- rc = ghes_mc_add_or_free(mci, &dimm_fill.dimms);
+ rc = ghes_edac_register_one(dev, 0, num_dimm);
if (rc < 0)
goto unlock;
--
2.20.1
next prev parent reply other threads:[~2020-04-22 11:59 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-22 11:58 [PATCH v2 00/10] EDAC/mc/ghes: Fixes, cleanup and reworks Robert Richter
2020-04-22 11:58 ` [PATCH v2 01/10] EDAC/mc: Fix usage of snprintf() and dimm location setup Robert Richter
2020-04-22 20:52 ` Borislav Petkov
2020-05-19 9:27 ` Robert Richter
2020-04-22 11:58 ` [PATCH v2 02/10] EDAC/mc: Use int type for parameters of edac_mc_alloc() Robert Richter
2020-04-23 17:49 ` Borislav Petkov
2020-05-19 9:33 ` Robert Richter
2020-04-22 11:58 ` [PATCH v2 03/10] EDAC/ghes: Remove unused members of struct ghes_edac_pvt, rename it to ghes_mci Robert Richter
2020-04-23 17:55 ` Borislav Petkov
2020-05-05 7:50 ` Robert Richter
2020-04-22 11:58 ` [PATCH v2 04/10] EDAC/ghes: Make SMBIOS handle private data to ghes Robert Richter
2020-04-24 12:12 ` kbuild test robot
2020-04-24 16:21 ` Borislav Petkov
2020-05-05 12:48 ` Robert Richter
2020-04-22 11:58 ` [PATCH v2 05/10] EDAC/ghes: Setup DIMM label from DMI and use it in error reports Robert Richter
2020-04-22 11:58 ` [PATCH v2 06/10] EDAC/ghes: Remove local variable rdr_mask in ghes_edac_dmidecode() Robert Richter
2020-04-27 7:08 ` Borislav Petkov
2020-04-27 17:24 ` Luck, Tony
2020-04-27 17:34 ` Borislav Petkov
2020-05-19 9:34 ` Robert Richter
2020-04-22 11:58 ` [PATCH v2 07/10] EDAC/ghes: Cleanup struct ghes_edac_dimm_fill, rename it to ghes_dimm_fill Robert Richter
2020-04-27 14:00 ` Borislav Petkov
2020-05-19 9:35 ` Robert Richter
2020-04-22 11:58 ` [PATCH v2 08/10] EDAC/ghes: Carve out MC device handling into separate functions Robert Richter
2020-04-27 16:38 ` Borislav Petkov
2020-05-06 8:45 ` Robert Richter
2020-05-11 13:32 ` Borislav Petkov
2020-05-19 9:57 ` Robert Richter
2020-04-22 11:58 ` [PATCH v2 09/10] EDAC/ghes: Have a separate code path for creating the fake MC Robert Richter
2020-04-22 11:58 ` Robert Richter [this message]
2020-05-06 8:53 ` [PATCH v2 00/10] EDAC/mc/ghes: Fixes, cleanup and reworks Robert Richter
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