linux-kernel - Re: [PATCH] mailbox: Use of_property_read

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Date:   Tue, 18 Apr 2023 11:25:00 -0500
From:   Rob Herring <robh@...nel.org>
To:     Jassi Brar <jassisinghbrar@...il.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mailbox: Use of_property_read_bool() for boolean
 properties

On Fri, Mar 10, 2023 at 08:47:10AM -0600, Rob Herring wrote:
> It is preferred to use typed property access functions (i.e.
> of_property_read_<type> functions) rather than low-level
> of_get_property/of_find_property functions for reading properties.
> Convert reading boolean properties to to of_property_read_bool().
> 
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
>  drivers/mailbox/hi6220-mailbox.c | 5 +----
>  drivers/mailbox/omap-mailbox.c   | 3 +--
>  2 files changed, 2 insertions(+), 6 deletions(-)

Ping!

> 
> diff --git a/drivers/mailbox/hi6220-mailbox.c b/drivers/mailbox/hi6220-mailbox.c
> index fca61f5312d9..1c73c63598f5 100644
> --- a/drivers/mailbox/hi6220-mailbox.c
> +++ b/drivers/mailbox/hi6220-mailbox.c
> @@ -325,10 +325,7 @@ static int hi6220_mbox_probe(struct platform_device *pdev)
>  	writel(~0x0, ACK_INT_CLR_REG(mbox->ipc));
>  
>  	/* use interrupt for tx's ack */
> -	if (of_find_property(node, "hi6220,mbox-tx-noirq", NULL))
> -		mbox->tx_irq_mode = false;
> -	else
> -		mbox->tx_irq_mode = true;
> +	mbox->tx_irq_mode = !of_property_read_bool(node, "hi6220,mbox-tx-noirq");
>  
>  	if (mbox->tx_irq_mode)
>  		mbox->controller.txdone_irq = true;
> diff --git a/drivers/mailbox/omap-mailbox.c b/drivers/mailbox/omap-mailbox.c
> index 098c82d87137..fd28ac2120df 100644
> --- a/drivers/mailbox/omap-mailbox.c
> +++ b/drivers/mailbox/omap-mailbox.c
> @@ -763,8 +763,7 @@ static int omap_mbox_probe(struct platform_device *pdev)
>  
>  		finfo->name = child->name;
>  
> -		if (of_find_property(child, "ti,mbox-send-noirq", NULL))
> -			finfo->send_no_irq = true;
> +		finfo->send_no_irq = of_property_read_bool(child, "ti,mbox-send-noirq");
>  
>  		if (finfo->tx_id >= num_fifos || finfo->rx_id >= num_fifos ||
>  		    finfo->tx_usr >= num_users || finfo->rx_usr >= num_users)
> -- 
> 2.39.2
>