linux-kernel - Re: [PATCH 4/5] mmc: sdhci-of-arasan: constify sdhci_pltfm_data and sdhci

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Message-ID: <4a087f6a-a51c-2add-402f-2d377457482e@xilinx.com>
Date:   Mon, 7 Aug 2017 14:50:38 +0200
From:   Michal Simek <michal.simek@...inx.com>
To:     Julia Lawall <Julia.Lawall@...6.fr>,
        Michal Simek <michal.simek@...inx.com>
CC:     <bhumirks@...il.com>, <kernel-janitors@...r.kernel.org>,
        Sören Brinkmann <soren.brinkmann@...inx.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mmc@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/5] mmc: sdhci-of-arasan: constify sdhci_pltfm_data and
 sdhci_ops structures

On 7.8.2017 11:50, Julia Lawall wrote:
> The sdhci_pltfm_data structure is only passed as the second argument
> of sdhci_pltfm_init, which is const, while the sdhci_ops structure
> is only stored in the ops field of a sdhci_pltfm_data structure,
> which is also const.  Thus both kinds of structures can be const as
> well.
> 
> Done with the help of Coccinelle.
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
> 
> ---
>  drivers/mmc/host/sdhci-of-arasan.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
> index 528a5d2..0720ea7 100644
> --- a/drivers/mmc/host/sdhci-of-arasan.c
> +++ b/drivers/mmc/host/sdhci-of-arasan.c
> @@ -262,7 +262,7 @@ static int sdhci_arasan_voltage_switch(struct mmc_host *mmc,
>  	return -EINVAL;
>  }
>  
> -static struct sdhci_ops sdhci_arasan_ops = {
> +static const struct sdhci_ops sdhci_arasan_ops = {
>  	.set_clock = sdhci_arasan_set_clock,
>  	.get_max_clock = sdhci_pltfm_clk_get_max_clock,
>  	.get_timeout_clock = sdhci_pltfm_clk_get_max_clock,
> @@ -271,7 +271,7 @@ static int sdhci_arasan_voltage_switch(struct mmc_host *mmc,
>  	.set_uhs_signaling = sdhci_set_uhs_signaling,
>  };
>  
> -static struct sdhci_pltfm_data sdhci_arasan_pdata = {
> +static const struct sdhci_pltfm_data sdhci_arasan_pdata = {
>  	.ops = &sdhci_arasan_ops,
>  	.quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
>  	.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
> 

Acked-by: Michal Simek <michal.simek@...inx.com>

Thanks,
Michal