From: Arseny Demidov arsdemal@gmail.com
[ Upstream commit a8d6d4992ad9d92356619ac372906bd29687bb46 ]
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 Link: https://lore.kernel.org/r/20211219102239.1112-1-a.demidov@yadro.com Signed-off-by: Guenter Roeck linux@roeck-us.net Signed-off-by: Sasha Levin sashal@kernel.org --- 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 18da5a25e89ab..046523d47c29b 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