Messages in this thread Patch in this message | | | From | Wolfram Sang <> | Subject | [PATCH v2 4/4] spi: spi-coldfire-qspi: enable RuntimePM before registering to the core | Date | Fri, 9 Oct 2015 10:39:27 +0100 |
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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> --- drivers/spi/spi-coldfire-qspi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/spi/spi-coldfire-qspi.c b/drivers/spi/spi-coldfire-qspi.c index 688956ff5095c2..23f6fffd75e111 100644 --- a/drivers/spi/spi-coldfire-qspi.c +++ b/drivers/spi/spi-coldfire-qspi.c @@ -420,19 +420,20 @@ 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"); return 0; fail2: + pm_runtime_disable(&pdev->dev); mcfqspi_cs_teardown(mcfqspi); fail1: clk_disable(mcfqspi->clk); -- 2.1.4
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