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author | Stephen Kitt <steve@sk2.org> | 2020-08-09 00:00:04 +0300 |
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committer | Guenter Roeck <linux@roeck-us.net> | 2020-09-23 19:42:39 +0300 |
commit | dd43193976b9a7b2affe8fb71780bb96d16a8449 (patch) | |
tree | 91a68a368fe89780c92d550f97c7e557ec949b58 /drivers/watchdog/da9052_wdt.c | |
parent | e40358390928f9ab9d8d7dde5c60c08981dc1d81 (diff) | |
download | linux-dd43193976b9a7b2affe8fb71780bb96d16a8449.tar.xz |
hwmon (pmbus) use simple i2c probe function
pmbus_do_probe doesn't use the id information provided in its second
argument, so this can be removed, which then allows using the
single-parameter i2c probe function ("probe_new") for probes.
This avoids scanning the identifier tables during probes.
Drivers which didn't use the id are converted as-is; drivers which did
are modified as follows:
* if the information in i2c_client is sufficient, that's used instead
(client->name);
* configured v. probed comparisons are performed by comparing the
configured name to the detected name, instead of the ids; this
involves strcmp but is still cheaper than comparing all the device
names when scanning the tables;
* anything else is handled by calling i2c_match_id() with the same
level of error-handling (if any) as before.
Additionally, the mismatch message in the ltc2978 driver is adjusted
so that it no longer assumes that the driver_data is an index into
ltc2978_id.
Signed-off-by: Stephen Kitt <steve@sk2.org>
Acked-by: Wolfram Sang <wsa@kernel.org>
Link: https://lore.kernel.org/r/20200808210004.30880-1-steve@sk2.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/watchdog/da9052_wdt.c')
0 files changed, 0 insertions, 0 deletions