Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 3.14 16/25] i2c: rcar: enable RuntimePM before registering to the core | Date | Fri, 23 Oct 2015 10:45:57 -0700 |
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3.14-stable review patch. If anyone has any objections, please let me know.
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From: Wolfram Sang <wsa+renesas@sang-engineering.com>
commit 4f7effddf4549d57114289f273710f077c4c330a upstream.
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. While here, move drvdata, too.
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/i2c/busses/i2c-rcar.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
--- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -712,15 +712,16 @@ static int rcar_i2c_probe(struct platfor return ret; } + pm_runtime_enable(dev); + platform_set_drvdata(pdev, priv); + ret = i2c_add_numbered_adapter(adap); if (ret < 0) { dev_err(dev, "reg adap failed: %d\n", ret); + pm_runtime_disable(dev); return ret; } - pm_runtime_enable(dev); - platform_set_drvdata(pdev, priv); - dev_info(dev, "probed\n"); return 0;
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