From: Eliav Farber <farbere@amazon.com>
To: <jdelvare@suse.com>, <linux@roeck-us.net>, <robh+dt@kernel.org>,
<p.zabel@pengutronix.de>, <rtanwar@maxlinear.com>,
<linux-hwmon@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>
Cc: <farbere@amazon.com>, <talel@amazon.com>, <hhhawa@amazon.com>,
<jonnyc@amazon.com>, <hanochu@amazon.com>, <ronenk@amazon.com>,
<itamark@amazon.com>, <shellykz@amazon.com>, <shorer@amazon.com>,
<amitlavi@amazon.com>, <almogbs@amazon.com>, <dkl@amazon.com>,
<rahul.tanwar@linux.intel.com>, <andriy.shevchenko@intel.com>
Subject: [PATCH v3 02/19] hwmon: (mr75203) fix VM sensor allocation when "intel,vm-map" not defined
Date: Tue, 30 Aug 2022 19:21:55 +0000 [thread overview]
Message-ID: <20220830192212.28570-3-farbere@amazon.com> (raw)
In-Reply-To: <20220830192212.28570-1-farbere@amazon.com>
Bug fix - in case "intel,vm-map" is missing in device-tree ,'num' is set
to 0, and no voltage channel infos are allocated.
Signed-off-by: Eliav Farber <farbere@amazon.com>
---
drivers/hwmon/mr75203.c | 28 ++++++++++++----------------
1 file changed, 12 insertions(+), 16 deletions(-)
diff --git a/drivers/hwmon/mr75203.c b/drivers/hwmon/mr75203.c
index 046523d47c29..0e29877a1a9c 100644
--- a/drivers/hwmon/mr75203.c
+++ b/drivers/hwmon/mr75203.c
@@ -580,8 +580,6 @@ static int mr75203_probe(struct platform_device *pdev)
}
if (vm_num) {
- u32 num = vm_num;
-
ret = pvt_get_regmap(pdev, "vm", pvt);
if (ret)
return ret;
@@ -594,30 +592,28 @@ static int mr75203_probe(struct platform_device *pdev)
ret = device_property_read_u8_array(dev, "intel,vm-map",
pvt->vm_idx, vm_num);
if (ret) {
- num = 0;
+ /*
+ * Incase intel,vm-map property is not defined, we
+ * assume incremental channel numbers.
+ */
+ for (i = 0; i < vm_num; i++)
+ pvt->vm_idx[i] = i;
} else {
for (i = 0; i < vm_num; i++)
if (pvt->vm_idx[i] >= vm_num ||
- pvt->vm_idx[i] == 0xff) {
- num = i;
+ pvt->vm_idx[i] == 0xff)
break;
- }
- }
- /*
- * Incase intel,vm-map property is not defined, we assume
- * incremental channel numbers.
- */
- for (i = num; i < vm_num; i++)
- pvt->vm_idx[i] = i;
+ vm_num = i;
+ }
- in_config = devm_kcalloc(dev, num + 1,
+ in_config = devm_kcalloc(dev, vm_num + 1,
sizeof(*in_config), GFP_KERNEL);
if (!in_config)
return -ENOMEM;
- memset32(in_config, HWMON_I_INPUT, num);
- in_config[num] = 0;
+ memset32(in_config, HWMON_I_INPUT, vm_num);
+ in_config[vm_num] = 0;
pvt_in.config = in_config;
pvt_info[index++] = &pvt_in;
--
2.37.1
next prev parent reply other threads:[~2022-08-30 19:22 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-30 19:21 [PATCH v3 00/19] Variety of fixes and new features for mr75203 driver Eliav Farber
2022-08-30 19:21 ` [PATCH v3 01/19] dt-bindings: hwmon: (mr75203) update "intel,vm-map" property to be optional Eliav Farber
2022-09-02 19:50 ` Rob Herring
2022-08-30 19:21 ` Eliav Farber [this message]
2022-08-31 2:39 ` [PATCH v3 02/19] hwmon: (mr75203) fix VM sensor allocation when "intel,vm-map" not defined Guenter Roeck
2022-08-31 4:36 ` [PATCH v3 02/19] hwmon: (mr75203) fix VM sensor allocation when "intel, vm-map" " Farber, Eliav
2022-08-31 5:36 ` [PATCH v3 02/19] hwmon: (mr75203) fix VM sensor allocation when "intel,vm-map" " Guenter Roeck
2022-08-31 5:49 ` [PATCH v3 02/19] hwmon: (mr75203) fix VM sensor allocation when "intel, vm-map" " Farber, Eliav
2022-08-31 6:09 ` Farber, Eliav
2022-08-31 11:48 ` Guenter Roeck
2022-09-01 8:39 ` Farber, Eliav
2022-09-01 14:44 ` Guenter Roeck
2022-09-01 15:24 ` Farber, Eliav
2022-09-01 17:11 ` Guenter Roeck
2022-09-01 18:36 ` Farber, Eliav
2022-09-01 19:25 ` Guenter Roeck
2022-09-01 19:49 ` Andy Shevchenko
2022-08-31 9:38 ` [PATCH v3 02/19] hwmon: (mr75203) fix VM sensor allocation when "intel,vm-map" " Andy Shevchenko
2022-09-02 12:08 ` [PATCH v3 02/19] hwmon: (mr75203) fix VM sensor allocation when "intel, vm-map" " Farber, Eliav
2022-09-02 14:15 ` Andy Shevchenko
2022-08-30 19:21 ` [PATCH v3 03/19] hwmon: (mr75203) update pvt->v_num to the actual number of used sensors Eliav Farber
2022-08-31 2:41 ` Guenter Roeck
2022-08-31 4:50 ` Farber, Eliav
2022-08-31 5:31 ` Guenter Roeck
2022-08-30 19:21 ` [PATCH v3 04/19] dt-bindings: hwmon: (mr75203) change "reset" property to be optional Eliav Farber
2022-08-31 8:21 ` Philipp Zabel
2022-08-31 9:43 ` Farber, Eliav
2022-08-31 9:48 ` Philipp Zabel
2022-09-02 19:51 ` Rob Herring
2022-09-03 19:16 ` Farber, Eliav
2022-08-30 19:21 ` [PATCH v3 05/19] hwmon: (mr75203) skip reset-control deassert for SOCs that don't support it Eliav Farber
2022-08-31 8:19 ` Philipp Zabel
2022-08-30 19:21 ` [PATCH v3 06/19] hwmon: (mr75203) fix multi-channel voltage reading Eliav Farber
2022-08-31 9:46 ` Andy Shevchenko
2022-09-01 13:12 ` Farber, Eliav
2022-08-30 19:22 ` [PATCH v3 07/19] hwmon: (mr75203) enable polling for all VM channels Eliav Farber
2022-08-31 11:21 ` Andy Shevchenko
2022-08-31 11:55 ` Farber, Eliav
2022-08-30 19:22 ` [PATCH v3 08/19] dt-bindings: hwmon: (mr75203) add "moortec,vm-active-channels" property Eliav Farber
2022-08-31 11:39 ` Rob Herring
[not found] ` <a8557b5a-6e27-2e66-161e-814fc0f69c1d@amazon.com>
2022-08-31 12:17 ` [PATCH v3 08/19] dt-bindings: hwmon: (mr75203) add "moortec, vm-active-channels" property Rob Herring
2022-08-31 17:47 ` Farber, Eliav
2022-08-31 19:19 ` Rob Herring
2022-08-31 19:55 ` Farber, Eliav
2022-08-30 19:22 ` [PATCH v3 09/19] hwmon: (mr75203) add VM active channel support Eliav Farber
2022-08-31 11:48 ` Andy Shevchenko
2022-09-02 12:04 ` Farber, Eliav
2022-08-30 19:22 ` [PATCH v3 10/19] dt-bindings: hwmon: (mr75203) add "moortec,vm-pre-scaler" property Eliav Farber
2022-09-02 19:57 ` Rob Herring
2022-09-03 19:34 ` [PATCH v3 10/19] dt-bindings: hwmon: (mr75203) add "moortec, vm-pre-scaler" property Farber, Eliav
2022-08-30 19:22 ` [PATCH v3 11/19] hwmon: (mr75203) add VM pre-scaler support Eliav Farber
2022-08-31 12:02 ` Andy Shevchenko
2022-09-01 14:17 ` Farber, Eliav
2022-08-30 19:22 ` [PATCH v3 12/19] hwmon: (mr75203) fix voltage equation for negative source input Eliav Farber
2022-08-31 12:04 ` Andy Shevchenko
2022-09-01 12:47 ` Farber, Eliav
2022-09-01 20:08 ` Andy Shevchenko
2022-08-30 19:22 ` [PATCH v3 13/19] hwmon: (mr75203) modify the temperature equation according to series 5 datasheet Eliav Farber
2022-08-31 12:06 ` Andy Shevchenko
2022-09-01 12:22 ` Farber, Eliav
2022-08-30 19:22 ` [PATCH v3 14/19] dt-bindings: hwmon: (mr75203) add "moortec,ts-series" property Eliav Farber
2022-08-31 8:23 ` Philipp Zabel
2022-08-31 9:23 ` [PATCH v3 14/19] dt-bindings: hwmon: (mr75203) add "moortec, ts-series" property Farber, Eliav
2022-08-31 9:42 ` Philipp Zabel
2022-09-02 13:18 ` Farber, Eliav
2022-09-02 19:59 ` [PATCH v3 14/19] dt-bindings: hwmon: (mr75203) add "moortec,ts-series" property Rob Herring
2022-09-03 19:12 ` [PATCH v3 14/19] dt-bindings: hwmon: (mr75203) add "moortec, ts-series" property Farber, Eliav
2022-08-30 19:22 ` [PATCH v3 15/19] hwmon: (mr75203) add support for series 6 temperature equation Eliav Farber
2022-08-31 12:08 ` Andy Shevchenko
2022-09-01 12:14 ` Farber, Eliav
2022-08-30 19:22 ` [PATCH v3 16/19] dt-bindings: hwmon: (mr75203) add coefficient properties for the thermal equation Eliav Farber
2022-09-02 20:03 ` Rob Herring
2022-09-03 19:16 ` Farber, Eliav
2022-08-30 19:22 ` [PATCH v3 17/19] hwmon: (mr75203) parse temperature coefficients from device-tree Eliav Farber
2022-08-31 12:11 ` Andy Shevchenko
2022-09-01 9:54 ` Farber, Eliav
2022-08-30 19:22 ` [PATCH v3 18/19] hwmon: (mr75203) add debugfs to read and write temperature coefficients Eliav Farber
2022-08-31 12:14 ` Andy Shevchenko
2022-09-01 6:54 ` Farber, Eliav
2022-09-01 14:28 ` Guenter Roeck
2022-09-01 19:46 ` Andy Shevchenko
2022-08-30 19:22 ` [PATCH v3 19/19] hwmon: (mr75203) fix coding style space errors Eliav Farber
2022-08-31 12:15 ` Andy Shevchenko
2022-09-01 14:21 ` Farber, Eliav
2022-09-01 14:46 ` Guenter Roeck
2022-09-01 15:31 ` Farber, Eliav
2022-09-01 17:09 ` Guenter Roeck
2022-09-01 18:40 ` Farber, Eliav
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