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linux-can-fixes-for-4.2-20150716 

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Merge tag 'linux-can-fixes-for-4.2-20150716' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2015-07-16

this is a pull request of 2 patches by Stefan Agner. He fixes the resume
operation in the mcp251x driver.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2015-07-20 20:25:59 -07:00
parent fdbf5b097b 69da3f2ac5
commit 686c953ea9
1 changed files with 8 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/net/can/spi/mcp251x.c
View File

@ -1086,8 +1086,8 @@ static int mcp251x_can_probe(struct spi_device *spi)
if (ret)
goto out_clk;
priv->power = devm_regulator_get(&spi->dev, "vdd");
priv->transceiver = devm_regulator_get(&spi->dev, "xceiver");
priv->power = devm_regulator_get_optional(&spi->dev, "vdd");
priv->transceiver = devm_regulator_get_optional(&spi->dev, "xceiver");
if ((PTR_ERR(priv->power) == -EPROBE_DEFER) ||
(PTR_ERR(priv->transceiver) == -EPROBE_DEFER)) {
ret = -EPROBE_DEFER;
@ -1222,17 +1222,16 @@ static int __maybe_unused mcp251x_can_resume(struct device *dev)
struct spi_device *spi = to_spi_device(dev);
struct mcp251x_priv *priv = spi_get_drvdata(spi);
if (priv->after_suspend & AFTER_SUSPEND_POWER) {
if (priv->after_suspend & AFTER_SUSPEND_POWER)
mcp251x_power_enable(priv->power, 1);
if (priv->after_suspend & AFTER_SUSPEND_UP) {
mcp251x_power_enable(priv->transceiver, 1);
queue_work(priv->wq, &priv->restart_work);
} else {
if (priv->after_suspend & AFTER_SUSPEND_UP) {
mcp251x_power_enable(priv->transceiver, 1);
queue_work(priv->wq, &priv->restart_work);
} else {
priv->after_suspend = 0;
}
priv->after_suspend = 0;
}
priv->force_quit = 0;
enable_irq(spi->irq);
return 0;