[PATCH v6 05/14] drm/exynos: dsi: add TE interrupt handler to support LCD I80 interface

Varka Bhadram varkabhadram at gmail.com
Tue Jul 22 03:57:55 PDT 2014


On 07/22/2014 04:19 PM, YoungJun Cho wrote:

(...)

> +	ret = gpio_request_one(dsi->te_gpio, GPIOF_IN, "te_gpio");

devm_* APIs..?

> +	if (ret) {
> +		dev_err(dsi->dev, "gpio request failed with %d\n", ret);
> +		goto out;
> +	}
> +
> +	/*
> +	 * This TE GPIO IRQ should not be set to IRQ_NOAUTOEN, because panel
> +	 * calls drm_panel_init() first then calls mipi_dsi_attach() in probe().
> +	 * It means that te_gpio is invalid when exynos_dsi_enable_irq() is
> +	 * called by drm_panel_init() before panel is attached.
> +	 */
> +	ret = request_threaded_irq(gpio_to_irq(dsi->te_gpio),
> +					exynos_dsi_te_irq_handler, NULL,
> +					IRQF_TRIGGER_RISING, "TE", dsi);

why don't we use devm_request_threaded_irq()..?


-- 
Regards,
Varka Bhadram.



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