linux-kernel - Re: [PATCH V4 3/8] soc: mediatek: pwrap: remove has

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Date:   Wed, 2 May 2018 12:27:55 +0200
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     argus.lin@...iatek.com, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>
Cc:     Chenglin Xu <chenglin.xu@...iatek.com>,
        Sean Wang <sean.wang@...iatek.com>, wsd_upstream@...iatek.com,
        henryc.chen@...iatek.com, flora.fu@...iatek.com,
        Chen Zhong <chen.zhong@...iatek.com>,
        Christophe Jaillet <christophe.jaillet@...adoo.fr>,
        "shailendra . v" <shailendra.v@...sung.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH V4 3/8] soc: mediatek: pwrap: remove has_bridge flag



On 05/02/2018 11:21 AM, argus.lin@...iatek.com wrote:
> From: Argus Lin <argus.lin@...iatek.com>
> 
> We use new flag caps to replace has_bridge.
> Legacy chips support bridge use PWRAP_CAP_BRIDGE
> to explain such capability.
> 
> Signed-off-by: Argus Lin <argus.lin@...iatek.com>
> ---

Squash this one into 2/8.

Regards,
Matthias

>  drivers/soc/mediatek/mtk-pmic-wrap.c | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
> index 3a25ff6e6907..911a8508f39f 100644
> --- a/drivers/soc/mediatek/mtk-pmic-wrap.c
> +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
> @@ -689,7 +689,6 @@ struct pmic_wrapper_type {
>  	u32 int_en_all;
>  	u32 spi_w;
>  	u32 wdt_src;
> -	unsigned int has_bridge:1;
>  	/* Flags indicating the capability for the target pwrap */
>  	u8 caps;
>  	int (*init_reg_clock)(struct pmic_wrapper *wrp);
> @@ -1306,7 +1305,7 @@ static int pwrap_init(struct pmic_wrapper *wrp)
>  	pwrap_writel(wrp, 1, PWRAP_INIT_DONE0);
>  	pwrap_writel(wrp, 1, PWRAP_INIT_DONE1);
>  
> -	if (wrp->master->has_bridge) {
> +	if (HAS_CAP(wrp->master->caps, PWRAP_CAP_BRIDGE)) {
>  		writel(1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INIT_DONE3);
>  		writel(1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INIT_DONE4);
>  	}
> @@ -1401,7 +1400,6 @@ static const struct pmic_wrapper_type pwrap_mt2701 = {
>  	.int_en_all = ~(u32)(BIT(31) | BIT(2)),
>  	.spi_w = PWRAP_MAN_CMD_SPI_WRITE_NEW,
>  	.wdt_src = PWRAP_WDT_SRC_MASK_ALL,
> -	.has_bridge = 0,
>  	.caps = PWRAP_CAP_RESET | PWRAP_CAP_DCM,
>  	.init_reg_clock = pwrap_mt2701_init_reg_clock,
>  	.init_soc_specific = pwrap_mt2701_init_soc_specific,
> @@ -1414,7 +1412,6 @@ static const struct pmic_wrapper_type pwrap_mt7622 = {
>  	.int_en_all = ~(u32)BIT(31),
>  	.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
>  	.wdt_src = PWRAP_WDT_SRC_MASK_ALL,
> -	.has_bridge = 0,
>  	.caps = PWRAP_CAP_RESET | PWRAP_CAP_DCM,
>  	.init_reg_clock = pwrap_common_init_reg_clock,
>  	.init_soc_specific = pwrap_mt7622_init_soc_specific,
> @@ -1427,7 +1424,6 @@ static const struct pmic_wrapper_type pwrap_mt8135 = {
>  	.int_en_all = ~(u32)(BIT(31) | BIT(1)),
>  	.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
>  	.wdt_src = PWRAP_WDT_SRC_MASK_ALL,
> -	.has_bridge = 1,
>  	.caps = PWRAP_CAP_BRIDGE | PWRAP_CAP_RESET | PWRAP_CAP_DCM,
>  	.init_reg_clock = pwrap_common_init_reg_clock,
>  	.init_soc_specific = pwrap_mt8135_init_soc_specific,
> @@ -1440,7 +1436,7 @@ static const struct pmic_wrapper_type pwrap_mt8173 = {
>  	.int_en_all = ~(u32)(BIT(31) | BIT(1)),
>  	.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
>  	.wdt_src = PWRAP_WDT_SRC_MASK_NO_STAUPD,
> -	.has_bridge = 0,
> +	.caps = PWRAP_CAP_RESET | PWRAP_CAP_DCM,
>  	.init_reg_clock = pwrap_common_init_reg_clock,
>  	.init_soc_specific = pwrap_mt8173_init_soc_specific,
>  };
> @@ -1509,7 +1505,7 @@ static int pwrap_probe(struct platform_device *pdev)
>  		return ret;
>  	}
>  
> -	if (wrp->master->has_bridge) {
> +	if (HAS_CAP(wrp->master->caps, PWRAP_CAP_BRIDGE)) {
>  		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
>  				"pwrap-bridge");
>  		wrp->bridge_base = devm_ioremap_resource(wrp->dev, res);
> -- 
> 2.12.5
> 
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