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Groups > linux.kernel > #1243068
| From | Wolfram Sang <wsa@the-dreams.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 4/4] spi: spi-coldfire-qspi: enable RuntimePM before registering to the core |
| Date | 2015-10-09 09:00 +0200 |
| Message-ID | <qhzOP-2W9-25@gated-at.bofh.it> (permalink) |
| References | <qhzOO-2W9-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Wolfram Sang <wsa+renesas@sang-engineering.com>
The core may register clients attached to this master which may use
funtionality from the master. So, RuntimePM must be enabled before, otherwise
this will fail.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
Not tested on HW. Found by code review.
drivers/spi/spi-coldfire-qspi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/spi/spi-coldfire-qspi.c b/drivers/spi/spi-coldfire-qspi.c
index 688956ff5095c2..2c5fe795bb5e59 100644
--- a/drivers/spi/spi-coldfire-qspi.c
+++ b/drivers/spi/spi-coldfire-qspi.c
@@ -420,13 +420,13 @@ static int mcfqspi_probe(struct platform_device *pdev)
master->auto_runtime_pm = true;
platform_set_drvdata(pdev, master);
+ pm_runtime_enable(&pdev->dev);
status = devm_spi_register_master(&pdev->dev, master);
if (status) {
dev_dbg(&pdev->dev, "spi_register_master failed\n");
goto fail2;
}
- pm_runtime_enable(&pdev->dev);
dev_info(&pdev->dev, "Coldfire QSPI bus driver\n");
--
2.1.4
--
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[PATCH 1/4] i2c: designware-platdrv: enable RuntimePM before registering to the core Wolfram Sang <wsa@the-dreams.de> - 2015-10-09 09:00 +0200
[PATCH 3/4] i2c: s3c2410: enable RuntimePM before registering to the core Wolfram Sang <wsa@the-dreams.de> - 2015-10-09 09:00 +0200
[PATCH 4/4] spi: spi-coldfire-qspi: enable RuntimePM before registering to the core Wolfram Sang <wsa@the-dreams.de> - 2015-10-09 09:00 +0200
Re: [PATCH 4/4] spi: spi-coldfire-qspi: enable RuntimePM before registering to the core Mark Brown <broonie@kernel.org> - 2015-10-09 13:40 +0200
[PATCH 2/4] i2c: rcar: enable RuntimePM before registering to the core Wolfram Sang <wsa@the-dreams.de> - 2015-10-09 09:00 +0200
Re: [PATCH 2/4] i2c: rcar: enable RuntimePM before registering to the core Geert Uytterhoeven <geert@linux-m68k.org> - 2015-10-09 10:50 +0200
Re: [PATCH 2/4] i2c: rcar: enable RuntimePM before registering to the core Wolfram Sang <wsa@the-dreams.de> - 2015-10-09 11:30 +0200
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