4.9-stable review patch. If anyone has any objections, please let me know.
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From: Guenter Roeck linux@roeck-us.net
[ Upstream commit a46f8cd696624ef757be0311eb28f119c36778e8 ]
A negative page register value means that no page needs to be selected. This is used by status register evaluations and needs to be accepted.
Fixes: da8e48ab483e1 ("hwmon: (pmbus) Always call _pmbus_read_byte in core driver") Signed-off-by: Guenter Roeck linux@roeck-us.net Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/hwmon/pmbus/max8688.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/hwmon/pmbus/max8688.c +++ b/drivers/hwmon/pmbus/max8688.c @@ -45,7 +45,7 @@ static int max8688_read_word_data(struct { int ret;
- if (page) + if (page > 0) return -ENXIO;
switch (reg) {