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Date:   Wed, 27 Jan 2021 09:49:16 +0300
From:   Dan Carpenter <dan.carpenter@oracle.com>
To:     carlis <zhangxuezhi3@gmail.com>
Cc:     devel@driverdev.osuosl.org, linux-fbdev@vger.kernel.org,
        mh12gx2825@gmail.com, gregkh@linuxfoundation.org,
        oliver.graute@kococonnector.com, linux-kernel@vger.kernel.org,
        dri-devel@lists.freedesktop.org, sbrivio@redhat.com,
        colin.king@canonical.com, zhangxuezhi1@yulong.com
Subject: Re: [PATCH v5] fbtft: add tearing signal detect
Message-ID: <20210127064916.GD2696@kadam>
References: <1611711140-68260-1-git-send-email-zhangxuezhi3@gmail.com>
 <20210127054523.GA2696@kadam>
 <20210127141927.00004472@gmail.com>
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On Wed, Jan 27, 2021 at 02:19:27PM +0800, carlis wrote:
> hi,i will fix it like below:
> 	par->gpio.te = devm_gpiod_get_index_optional(dev, "te", 0,
> GPIOD_IN); if (IS_ERR(par->gpio.te)) {
> 		rc = PTR_ERR(par->gpio.te);
> 		pr_err("Failed to request  te gpio: %d\n", rc);
> 		par->gpio.te = NULL;
> 	}

I wish you would just copy and paste the code that I sent you instead,
but this also fixes the crash...

regards,
dan carpenter