From: Naresh Solanki <naresh.solanki@9elements.com>
To: Guenter Roeck <linux@roeck-us.net>,
Jean Delvare <jdelvare@suse.com>,
krzysztof.kozlowski+dt@linaro.org
Cc: linux-hwmon@vger.kernel.org,
Patrick Rudolph <patrick.rudolph@9elements.com>,
Naresh Solanki <Naresh.Solanki@9elements.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH] hwmon: (pmbus/mp2975) Fix PGOOD in READ_STATUS_WORD
Date: Fri, 28 Jul 2023 10:25:26 +0200 [thread overview]
Message-ID: <20230728082527.3531940-1-Naresh.Solanki@9elements.com> (raw)
From: Patrick Rudolph <patrick.rudolph@9elements.com>
MPS returns PGOOD instead of PB_STATUS_POWER_GOOD_N.
Fix that in the read_word_data hook.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
---
drivers/hwmon/pmbus/mp2975.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/hwmon/pmbus/mp2975.c b/drivers/hwmon/pmbus/mp2975.c
index 28f33f4618fa..410b6eae6d02 100644
--- a/drivers/hwmon/pmbus/mp2975.c
+++ b/drivers/hwmon/pmbus/mp2975.c
@@ -297,6 +297,10 @@ static int mp2973_read_word_data(struct i2c_client *client, int page,
int ret;
switch (reg) {
+ case PMBUS_STATUS_WORD:
+ ret = pmbus_read_word_data(client, page, phase, reg);
+ ret ^= PB_STATUS_POWER_GOOD_N;
+ break;
case PMBUS_OT_FAULT_LIMIT:
ret = mp2975_read_word_helper(client, page, phase, reg,
GENMASK(7, 0));
base-commit: a4bb1ce5b9e3ca403c04e20ebeae77fd6447cb11
--
2.41.0
next reply other threads:[~2023-07-28 8:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-28 8:25 Naresh Solanki [this message]
2023-07-28 10:00 ` Guenter Roeck
2023-07-28 11:28 ` Naresh Solanki
2023-07-28 14:26 ` Guenter Roeck
2023-07-31 9:08 ` Naresh Solanki
2023-07-28 14:33 ` Guenter Roeck
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