linux-kernel - Re: [PATCH v2 07/19] spi: dw: Discard unused void priv pointer

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Date:   Fri, 15 May 2020 15:38:24 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Serge Semin <Sergey.Semin@...kalelectronics.ru>
Cc:     Mark Brown <broonie@...nel.org>,
        Serge Semin <fancer.lancer@...il.com>,
        Georgy Vlasov <Georgy.Vlasov@...kalelectronics.ru>,
        Ramil Zaripov <Ramil.Zaripov@...kalelectronics.ru>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Paul Burton <paulburton@...nel.org>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Allison Randal <allison@...utok.net>,
        Gareth Williams <gareth.williams.jx@...esas.com>,
        Arnd Bergmann <arnd@...db.de>,
        Rob Herring <robh+dt@...nel.org>, linux-mips@...r.kernel.org,
        devicetree@...r.kernel.org,
        Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@...el.com>,
        "wuxu.wu" <wuxu.wu@...wei.com>,
        Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Clement Leger <cleger@...ray.eu>, linux-spi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 07/19] spi: dw: Discard unused void priv pointer

On Fri, May 15, 2020 at 01:47:46PM +0300, Serge Semin wrote:
> Seeing the "void *priv" member of the dw_spi data structure is unused
> let's remove it. The glue-layers can embed the DW APB SSI controller
> descriptor into their private data object. MMIO driver for instance
> already utilizes that design pattern.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

> 
> Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
> Cc: Georgy Vlasov <Georgy.Vlasov@...kalelectronics.ru>
> Cc: Ramil Zaripov <Ramil.Zaripov@...kalelectronics.ru>
> Cc: Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>
> Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
> Cc: Paul Burton <paulburton@...nel.org>
> Cc: Ralf Baechle <ralf@...ux-mips.org>
> Cc: Allison Randal <allison@...utok.net>
> Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Cc: Gareth Williams <gareth.williams.jx@...esas.com>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: linux-mips@...r.kernel.org
> Cc: devicetree@...r.kernel.org
> 
> ---
> 
> Changelog v2:
> - It's a new patch created as a result of more thorough driver study.
> ---
>  drivers/spi/spi-dw.h | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h
> index 60e9e430ce7b..b6ab81e0c747 100644
> --- a/drivers/spi/spi-dw.h
> +++ b/drivers/spi/spi-dw.h
> @@ -147,8 +147,6 @@ struct dw_spi {
>  	dma_addr_t		dma_addr; /* phy address of the Data register */
>  	const struct dw_spi_dma_ops *dma_ops;
>  
> -	/* Bus interface info */
> -	void			*priv;
>  #ifdef CONFIG_DEBUG_FS
>  	struct dentry *debugfs;
>  #endif
> -- 
> 2.25.1
> 

-- 
With Best Regards,
Andy Shevchenko