From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: linux-fbdev@vger.kernel.org
Subject: Re: [PATCH v2] fbdev: omap2: connector-dvi: use of_get_i2c_adapter_by_node interface
Date: Thu, 24 Sep 2015 11:31:52 +0000 [thread overview]
Message-ID: <5603DF28.1000309@ti.com> (raw)
In-Reply-To: <1442322753-32043-1-git-send-email-vladimir_zapolskiy@mentor.com>
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On 15/09/15 16:12, Vladimir Zapolskiy wrote:
> 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 <vladimir_zapolskiy@mentor.com>
> ---
> Changes from v1 to v2:
> - none, v1 is http://lists.infradead.org/pipermail/linux-arm-kernel/2015-July/354990.html
>
> The original series http://lists.infradead.org/pipermail/linux-arm-kernel/2015-July/354982.html
> is separated to i2c, dri and fbdev parts, at the moment i2c part
> with new of_get_i2c_adapter_by_node() interface has been applied.
>
> drivers/video/fbdev/omap2/displays-new/connector-dvi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/video/fbdev/omap2/displays-new/connector-dvi.c b/drivers/video/fbdev/omap2/displays-new/connector-dvi.c
> index a8ce920..d811e6d 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);
>
Thanks, queued for 4.3 fixes.
Tomi
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prev parent reply other threads:[~2015-09-24 11:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-15 13:12 [PATCH v2] fbdev: omap2: connector-dvi: use of_get_i2c_adapter_by_node interface Vladimir Zapolskiy
2015-09-24 11:31 ` Tomi Valkeinen [this message]
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