From afcbcb432e84ce9facebc8e238b89b2b8d810e97 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Sat, 10 Mar 2018 17:49:47 -0800 Subject: [PATCH] hwmon: (pmbus/max8688) Accept negative page register values [ 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 Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/hwmon/pmbus/max8688.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwmon/pmbus/max8688.c b/drivers/hwmon/pmbus/max8688.c index dd4883a..e951f9b 100644 --- a/drivers/hwmon/pmbus/max8688.c +++ b/drivers/hwmon/pmbus/max8688.c @@ -45,7 +45,7 @@ static int max8688_read_word_data(struct i2c_client *client, int page, int reg) { int ret; - if (page) + if (page > 0) return -ENXIO; switch (reg) { -- 2.7.4