linux-kernel - Re: [PATCH v2] EDAC: Use of_address_to

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Message-ID: <20230418164016.GA1823469-robh@kernel.org>
Date:   Tue, 18 Apr 2023 11:40:16 -0500
From:   Rob Herring <robh@...nel.org>
To:     Dinh Nguyen <dinguyen@...nel.org>, Borislav Petkov <bp@...en8.de>,
        Tony Luck <tony.luck@...el.com>,
        James Morse <james.morse@....com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Robert Richter <rric@...nel.org>,
        Tero Kristo <kristo@...nel.org>
Cc:     linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] EDAC: Use of_address_to_resource()

On Mon, Mar 27, 2023 at 03:14:11PM -0500, Rob Herring wrote:
> Replace of_get_address() and of_translate_address() calls with single
> call to of_address_to_resource().
> 
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
> v2:
>  - Fix compile error
> ---
>  drivers/edac/altera_edac.c |  5 +++--
>  drivers/edac/ti_edac.c     | 10 +++++-----
>  2 files changed, 8 insertions(+), 7 deletions(-)

Ping!

> 
> diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c
> index e7e8e624a436..be33329c6f18 100644
> --- a/drivers/edac/altera_edac.c
> +++ b/drivers/edac/altera_edac.c
> @@ -1096,6 +1096,7 @@ static int altr_s10_sdram_check_ecc_deps(struct altr_edac_device_dev *device)
>  	struct arm_smccc_res result;
>  	struct device_node *np;
>  	phys_addr_t sdram_addr;
> +	struct resource res;
>  	u32 read_reg;
>  	int ret;
>  
> @@ -1103,8 +1104,8 @@ static int altr_s10_sdram_check_ecc_deps(struct altr_edac_device_dev *device)
>  	if (!np)
>  		goto sdram_err;
>  
> -	sdram_addr = of_translate_address(np, of_get_address(np, 0,
> -							     NULL, NULL));
> +	of_address_to_resource(np, 0, &res);
> +	sdram_addr = res.start;
>  	of_node_put(np);
>  	sdram_ecc_addr = (unsigned long)sdram_addr + prv->ecc_en_ofst;
>  	arm_smccc_smc(INTEL_SIP_SMC_REG_READ, sdram_ecc_addr,
> diff --git a/drivers/edac/ti_edac.c b/drivers/edac/ti_edac.c
> index 6971ded598de..7befcf6c6637 100644
> --- a/drivers/edac/ti_edac.c
> +++ b/drivers/edac/ti_edac.c
> @@ -202,19 +202,19 @@ MODULE_DEVICE_TABLE(of, ti_edac_of_match);
>  static int _emif_get_id(struct device_node *node)
>  {
>  	struct device_node *np;
> -	const __be32 *addrp;
> +	struct resource res;
>  	u32 addr, my_addr;
>  	int my_id = 0;
>  
> -	addrp = of_get_address(node, 0, NULL, NULL);
> -	my_addr = (u32)of_translate_address(node, addrp);
> +	of_address_to_resource(node, 0, &res);
> +	my_addr = (u32)res.start;
>  
>  	for_each_matching_node(np, ti_edac_of_match) {
>  		if (np == node)
>  			continue;
>  
> -		addrp = of_get_address(np, 0, NULL, NULL);
> -		addr = (u32)of_translate_address(np, addrp);
> +		of_address_to_resource(np, 0, &res);
> +		addr = (u32)res.start;
>  
>  		edac_printk(KERN_INFO, EDAC_MOD_NAME,
>  			    "addr=%x, my_addr=%x\n",
> -- 
> 2.39.2
>