On Wed, May 14, 2014 at 11:24:14PM +0200, Philipp Zabel wrote: > Move memory allocation and resource acquisition from the bind function into > the probe function. This calls the devres managed functions once instead of > possibly multiple times in the bind function and avoids leaking memory (as > long as the hdmi platform device stays bound). > > While at it, request the irq only after the interrupt handler mutes are > set up, to avoid spurious interrupts. > > Signed-off-by: Philipp Zabel <philipp.za...@gmail.com> > --- > drivers/staging/imx-drm/imx-hdmi.c | 163 > +++++++++++++++++++------------------ > 1 file changed, 83 insertions(+), 80 deletions(-)
Very nice. I like it. One comment below, though it's unrelated to what
you're trying to achieve here. It's primarily a note to myself.
> diff --git a/drivers/staging/imx-drm/imx-hdmi.c
> b/drivers/staging/imx-drm/imx-hdmi.c
[...]
> static int imx_hdmi_platform_probe(struct platform_device *pdev)
> {
[...]
> + ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0);
> + if (ddc_node) {
> + hdmi->ddc = of_find_i2c_adapter_by_node(ddc_node);
> + if (!hdmi->ddc)
> + dev_dbg(hdmi->dev, "failed to read ddc node\n");
> +
> + of_node_put(ddc_node);
> + } else {
> + dev_dbg(hdmi->dev, "no ddc property found\n");
> + }
This seems to be emerging as a common pattern. Perhaps we should add a
common helper for this.
Thierry
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