* [PATCH v2 7/9] spi: core: Convert to dev_pm_domain_attach|detach()
[not found] <1409215142-8218-1-git-send-email-ulf.hansson@linaro.org>
@ 2014-08-28 8:39 ` Ulf Hansson
0 siblings, 0 replies; only message in thread
From: Ulf Hansson @ 2014-08-28 8:39 UTC (permalink / raw)
To: Rafael J. Wysocki, Len Brown, Pavel Machek, Greg Kroah-Hartman,
linux-pm
Cc: linux-arm-kernel, linux-acpi, Geert Uytterhoeven, Kevin Hilman,
Alan Stern, Daniel Lezcano, Tomasz Figa, devicetree,
Linus Walleij, Simon Horman, Magnus Damm, Ben Dooks, Kukjin Kim,
Stephen Boyd, Philipp Zabel, Mark Brown, Wolfram Sang, Chris Ball,
Russell King, Ulf Hansson, linux-spi
Previously only the ACPI power domain was supported by the spi bus.
Let's convert to the common attach/detach functions for power domains,
which currently means we are extending the support to include the
generic power domain as well.
Cc: linux-spi@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---
drivers/spi/spi.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index e0531ba..6a7b0cc 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -264,10 +264,12 @@ static int spi_drv_probe(struct device *dev)
if (ret)
return ret;
- acpi_dev_pm_attach(dev, true);
- ret = sdrv->probe(to_spi_device(dev));
- if (ret)
- acpi_dev_pm_detach(dev, true);
+ ret = dev_pm_domain_attach(dev, true);
+ if (ret != -EPROBE_DEFER) {
+ ret = sdrv->probe(to_spi_device(dev));
+ if (ret)
+ dev_pm_domain_detach(dev, true);
+ }
return ret;
}
@@ -278,7 +280,7 @@ static int spi_drv_remove(struct device *dev)
int ret;
ret = sdrv->remove(to_spi_device(dev));
- acpi_dev_pm_detach(dev, true);
+ dev_pm_domain_detach(dev, true);
return ret;
}
--
1.9.1
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2014-08-28 8:39 ` [PATCH v2 7/9] spi: core: Convert to dev_pm_domain_attach|detach() Ulf Hansson
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