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| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2014-02-13 23:05:28 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-15 21:08:38 +0100 |
| commit | 0b336cea56ccd9949dc9bd6f24bd3bb9d212ffad (patch) | |
| tree | 95c6420fd909f80c06f2463b831b08d1d68dfb41 /arch/um | |
| parent | regmap: spmi: support base and extended register spaces (diff) | |
| download | linux-0b336cea56ccd9949dc9bd6f24bd3bb9d212ffad.tar.xz linux-0b336cea56ccd9949dc9bd6f24bd3bb9d212ffad.zip | |
w1-gpio: handle of_get_gpio() returning -EPROBE_DEFER better
of_get_gpio() might return -EPROBE_DEFER meaning that the driver
providing the gpio isn't ready yet. If that happens for the first gpio
the resulting kernel output without this patch is:
w1-gpio somename: Failed to parse DT
platform somename: Driver w1-gpio requests probe deferral
The first message is misleading and so is suppressed with this patch.
Further if determining the gpio to switch the external pullup yields
-EPROBE_DEFER this error should be passed back to the caller instead of
just continuing without pullup.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/um')
0 files changed, 0 insertions, 0 deletions