From: Guenter Roeck <linux@roeck-us.net>
To: Eliav Farber <farbere@amazon.com>,
jdelvare@suse.com, 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: 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: Re: [PATCH v3 02/19] hwmon: (mr75203) fix VM sensor allocation when "intel,vm-map" not defined
Date: Tue, 30 Aug 2022 22:36:58 -0700 [thread overview]
Message-ID: <cddebb5a-3b83-e89d-db00-9a59ddbd6741@roeck-us.net> (raw)
In-Reply-To: <20220830192212.28570-3-farbere@amazon.com>
On 8/30/22 12:21, Eliav Farber wrote:
> 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;
So all vm_idx values from 0x00 to 0xfe would be acceptable ?
Does the chip really have that many registers (0x200 + 0x40 + 0x200 * 0xfe) ?
Is that documented somewhere ?
Thanks,
Guenter
> - }
> - }
>
> - /*
> - * 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;
next prev parent reply other threads:[~2022-08-31 5:37 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 ` [PATCH v3 02/19] hwmon: (mr75203) fix VM sensor allocation when "intel,vm-map" not defined Eliav Farber
2022-08-31 2:39 ` 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 ` Guenter Roeck [this message]
2022-08-31 5:49 ` 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=cddebb5a-3b83-e89d-db00-9a59ddbd6741@roeck-us.net \
--to=linux@roeck-us.net \
--cc=almogbs@amazon.com \
--cc=amitlavi@amazon.com \
--cc=andriy.shevchenko@intel.com \
--cc=devicetree@vger.kernel.org \
--cc=dkl@amazon.com \
--cc=farbere@amazon.com \
--cc=hanochu@amazon.com \
--cc=hhhawa@amazon.com \
--cc=itamark@amazon.com \
--cc=jdelvare@suse.com \
--cc=jonnyc@amazon.com \
--cc=linux-hwmon@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=p.zabel@pengutronix.de \
--cc=rahul.tanwar@linux.intel.com \
--cc=robh+dt@kernel.org \
--cc=ronenk@amazon.com \
--cc=rtanwar@maxlinear.com \
--cc=shellykz@amazon.com \
--cc=shorer@amazon.com \
--cc=talel@amazon.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).