diff options
| author | Frank Crawford <frank@crawford.emu.id.au> | 2024-04-28 09:06:34 +0300 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2024-04-30 20:32:14 +0300 |
| commit | e2e6a23f4bda2de9c7096aa9c310bc3400187e90 (patch) | |
| tree | 9d789adaad77b7c01e828a9e4c2925b9b39c4ca4 /drivers/hwmon | |
| parent | f4f3e5de2e363892953fba10328cc2ca1e8e6ff0 (diff) | |
| download | linux-e2e6a23f4bda2de9c7096aa9c310bc3400187e90.tar.xz | |
hwmon: (it87) Do not enter configuration mode for some chiptypes
Update the configuration mode entry code to allow conditional entry, and
apply to all calls.
Signed-off-by: Frank Crawford <frank@crawford.emu.id.au>
Link: https://lore.kernel.org/r/20240428060653.2425296-3-frank@crawford.emu.id.au
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/it87.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index 23b68808d07d..702a3752a211 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -117,7 +117,7 @@ static inline void superio_select(int ioreg, int ldn) outb(ldn, ioreg + 1); } -static inline int superio_enter(int ioreg) +static inline int superio_enter(int ioreg, bool noentry) { /* * Try to reserve ioreg and ioreg + 1 for exclusive access. @@ -125,7 +125,8 @@ static inline int superio_enter(int ioreg) if (!request_muxed_region(ioreg, 2, DRVNAME)) return -EBUSY; - __superio_enter(ioreg); + if (!noentry) + __superio_enter(ioreg); return 0; } @@ -742,7 +743,7 @@ static int smbus_disable(struct it87_data *data) int err; if (data->smbus_bitmap) { - err = superio_enter(data->sioaddr); + err = superio_enter(data->sioaddr, has_noconf(data)); if (err) return err; superio_select(data->sioaddr, PME); @@ -758,7 +759,7 @@ static int smbus_enable(struct it87_data *data) int err; if (data->smbus_bitmap) { - err = superio_enter(data->sioaddr); + err = superio_enter(data->sioaddr, has_noconf(data)); if (err) return err; @@ -2674,7 +2675,7 @@ static int __init it87_find(int sioaddr, unsigned short *address, u16 chip_type; const struct it87_devices *config = NULL; - err = superio_enter(sioaddr); + err = superio_enter(sioaddr, false); if (err) return err; @@ -3520,7 +3521,7 @@ static void it87_resume_sio(struct platform_device *pdev) if (!data->need_in7_reroute) return; - err = superio_enter(data->sioaddr); + err = superio_enter(data->sioaddr, has_noconf(data)); if (err) { dev_warn(&pdev->dev, "Unable to enter Super I/O to reroute in7 (%d)", |