From: Arseny Demidov <arsdemal@gmail.com>
To: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Jean Delvare <jdelvare@suse.com>,
Guenter Roeck <linux@roeck-us.net>,
rahul.tanwar@linux.intel.com, andriy.shevchenko@intel.com,
Arseny Demidov <a.demidov@yadro.com>
Subject: [PATCH v1 1/1] hwmon : (mr75203) fix wrong power-up delay value
Date: Sun, 19 Dec 2021 13:22:39 +0300 [thread overview]
Message-ID: <20211219102239.1112-1-a.demidov@yadro.com> (raw)
In the file mr75203.c we have a macro named POWER_DELAY_CYCLE_256,
the correct value should be 0x100. The register ip_tmr is expressed
in units of IP clk cycles, in accordance with the datasheet.
Typical power-up delays for Temperature Sensor are 256 cycles i.e. 0x100.
Fixes: 9d823351a337 ("hwmon: Add hardware monitoring driver for Moortec MR75203 PVT controller")
Signed-off-by: Arseny Demidov <a.demidov@yadro.com>
---
drivers/hwmon/mr75203.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/mr75203.c b/drivers/hwmon/mr75203.c
index 868243dba1ee..1ba1e3145969 100644
--- a/drivers/hwmon/mr75203.c
+++ b/drivers/hwmon/mr75203.c
@@ -93,7 +93,7 @@
#define VM_CH_REQ BIT(21)
#define IP_TMR 0x05
-#define POWER_DELAY_CYCLE_256 0x80
+#define POWER_DELAY_CYCLE_256 0x100
#define POWER_DELAY_CYCLE_64 0x40
#define PVT_POLL_DELAY_US 20
--
2.25.1
next reply other threads:[~2021-12-19 10:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-19 10:22 Arseny Demidov [this message]
2021-12-20 21:03 ` [PATCH v1 1/1] hwmon : (mr75203) fix wrong power-up delay value Guenter Roeck
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