From: Vladimir Zapolskiy Date: Tue, 15 Sep 2015 13:12:33 +0000 (+0300) Subject: fbdev: omap2: connector-dvi: use of_get_i2c_adapter_by_node interface X-Git-Tag: firefly_0821_release~176^2~952^2~3 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ad38cc5f6d4f2c74ed69e2c017691e428549b2bd;p=firefly-linux-kernel-4.4.55.git fbdev: omap2: connector-dvi: use of_get_i2c_adapter_by_node interface This change is needed to properly lock I2C bus driver, which serves DDC. Prior to this change i2c_put_adapter() is misused, which may lead to an overflow over zero of I2C bus driver user counter. Signed-off-by: Vladimir Zapolskiy Signed-off-by: Tomi Valkeinen --- diff --git a/drivers/video/fbdev/omap2/displays-new/connector-dvi.c b/drivers/video/fbdev/omap2/displays-new/connector-dvi.c index a8ce920fa797..d811e6dcaef7 100644 --- a/drivers/video/fbdev/omap2/displays-new/connector-dvi.c +++ b/drivers/video/fbdev/omap2/displays-new/connector-dvi.c @@ -294,7 +294,7 @@ static int dvic_probe_of(struct platform_device *pdev) adapter_node = of_parse_phandle(node, "ddc-i2c-bus", 0); if (adapter_node) { - adapter = of_find_i2c_adapter_by_node(adapter_node); + adapter = of_get_i2c_adapter_by_node(adapter_node); if (adapter == NULL) { dev_err(&pdev->dev, "failed to parse ddc-i2c-bus\n"); omap_dss_put_device(ddata->in);