linux-kernel - Re: [PATCH 46/61] spi: simplify getting .drvdata

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Date:   Fri, 20 Apr 2018 09:24:04 +0200
From:   Michal Simek <michal.simek@...inx.com>
To:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        <linux-kernel@...r.kernel.org>
CC:     <linux-renesas-soc@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>, Mark Brown <broonie@...nel.org>,
        Michal Simek <michal.simek@...inx.com>,
        <linux-spi@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 46/61] spi: simplify getting .drvdata

On 19.4.2018 16:06, Wolfram Sang wrote:
> We should get drvdata from struct device directly. Going via
> platform_device is an unneeded step back and forth.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
> ---
> 
> Build tested only. buildbot is happy. Please apply individually.
> 
>  drivers/spi/spi-cadence.c      | 6 ++----
>  drivers/spi/spi-zynqmp-gqspi.c | 6 ++----
>  2 files changed, 4 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c
> index 5c9516ae4942..de394422b611 100644
> --- a/drivers/spi/spi-cadence.c
> +++ b/drivers/spi/spi-cadence.c
> @@ -686,8 +686,7 @@ static int cdns_spi_remove(struct platform_device *pdev)
>   */
>  static int __maybe_unused cdns_spi_suspend(struct device *dev)
>  {
> -	struct platform_device *pdev = to_platform_device(dev);
> -	struct spi_master *master = platform_get_drvdata(pdev);
> +	struct spi_master *master = dev_get_drvdata(dev);
>  
>  	return spi_master_suspend(master);
>  }
> @@ -702,8 +701,7 @@ static int __maybe_unused cdns_spi_suspend(struct device *dev)
>   */
>  static int __maybe_unused cdns_spi_resume(struct device *dev)
>  {
> -	struct platform_device *pdev = to_platform_device(dev);
> -	struct spi_master *master = platform_get_drvdata(pdev);
> +	struct spi_master *master = dev_get_drvdata(dev);
>  	struct cdns_spi *xspi = spi_master_get_devdata(master);
>  
>  	cdns_spi_init_hw(xspi);
> diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c
> index 18aeaceee286..3608db4ff368 100644
> --- a/drivers/spi/spi-zynqmp-gqspi.c
> +++ b/drivers/spi/spi-zynqmp-gqspi.c
> @@ -918,8 +918,7 @@ static int zynqmp_qspi_start_transfer(struct spi_master *master,
>   */
>  static int __maybe_unused zynqmp_qspi_suspend(struct device *dev)
>  {
> -	struct platform_device *pdev = to_platform_device(dev);
> -	struct spi_master *master = platform_get_drvdata(pdev);
> +	struct spi_master *master = dev_get_drvdata(dev);
>  
>  	spi_master_suspend(master);
>  
> @@ -939,8 +938,7 @@ static int __maybe_unused zynqmp_qspi_suspend(struct device *dev)
>   */
>  static int __maybe_unused zynqmp_qspi_resume(struct device *dev)
>  {
> -	struct platform_device *pdev = to_platform_device(dev);
> -	struct spi_master *master = platform_get_drvdata(pdev);
> +	struct spi_master *master = dev_get_drvdata(dev);
>  	struct zynqmp_qspi *xqspi = spi_master_get_devdata(master);
>  	int ret = 0;
>  
> 

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

Thanks,
Michal