diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/w83627hf.c | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index 2169d8c8bbe..20ae425a198 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -1319,6 +1319,24 @@ static int __devexit w83627hf_remove(struct platform_device *pdev) } +/* Registers 0x50-0x5f are banked */ +static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg) +{ + if ((reg & 0x00f0) == 0x50) { + outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); + outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET); + } +} + +/* Not strictly necessary, but play it safe for now */ +static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg) +{ + if (reg & 0xff00) { + outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); + outb_p(0, data->addr + W83781D_DATA_REG_OFFSET); + } +} + static int w83627hf_read_value(struct w83627hf_data *data, u16 reg) { int res, word_sized; @@ -1329,12 +1347,7 @@ static int w83627hf_read_value(struct w83627hf_data *data, u16 reg) && (((reg & 0x00ff) == 0x50) || ((reg & 0x00ff) == 0x53) || ((reg & 0x00ff) == 0x55)); - if (reg & 0xff00) { - outb_p(W83781D_REG_BANK, - data->addr + W83781D_ADDR_REG_OFFSET); - outb_p(reg >> 8, - data->addr + W83781D_DATA_REG_OFFSET); - } + w83627hf_set_bank(data, reg); outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); res = inb_p(data->addr + W83781D_DATA_REG_OFFSET); if (word_sized) { @@ -1344,11 +1357,7 @@ static int w83627hf_read_value(struct w83627hf_data *data, u16 reg) (res << 8) + inb_p(data->addr + W83781D_DATA_REG_OFFSET); } - if (reg & 0xff00) { - outb_p(W83781D_REG_BANK, - data->addr + W83781D_ADDR_REG_OFFSET); - outb_p(0, data->addr + W83781D_DATA_REG_OFFSET); - } + w83627hf_reset_bank(data, reg); mutex_unlock(&data->lock); return res; } @@ -1419,12 +1428,7 @@ static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value) || ((reg & 0xff00) == 0x200)) && (((reg & 0x00ff) == 0x53) || ((reg & 0x00ff) == 0x55)); - if (reg & 0xff00) { - outb_p(W83781D_REG_BANK, - data->addr + W83781D_ADDR_REG_OFFSET); - outb_p(reg >> 8, - data->addr + W83781D_DATA_REG_OFFSET); - } + w83627hf_set_bank(data, reg); outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); if (word_sized) { outb_p(value >> 8, @@ -1434,11 +1438,7 @@ static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value) } outb_p(value & 0xff, data->addr + W83781D_DATA_REG_OFFSET); - if (reg & 0xff00) { - outb_p(W83781D_REG_BANK, - data->addr + W83781D_ADDR_REG_OFFSET); - outb_p(0, data->addr + W83781D_DATA_REG_OFFSET); - } + w83627hf_reset_bank(data, reg); mutex_unlock(&data->lock); return 0; } |