Re: [PATCH v1 2/3] spidev: Switch to use spi_get_csgpiod()

From: Sverdlin, Alexander
Date: Fri Aug 25 2023 - 03:18:43 EST


Hi!

On Thu, 2023-08-24 at 19:22 +0300, Andy Shevchenko wrote:
> spidev_ioctl() checks if there is an SPI chip select is driven by GPIO.
^^^ ?

> Instead of current code, we can call spi_get_csgpiod().
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

Reviewed-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxxxx>

> ---
>  drivers/spi/spidev.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
> index dc516f0ca71f..e324b42c658c 100644
> --- a/drivers/spi/spidev.c
> +++ b/drivers/spi/spidev.c
> @@ -393,8 +393,7 @@ spidev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
>         case SPI_IOC_RD_MODE32:
>                 tmp = spi->mode;
>  
> -               if (ctlr->use_gpio_descriptors && ctlr->cs_gpiods &&
> -                   ctlr->cs_gpiods[spi_get_chipselect(spi, 0)])
> +               if (ctlr->use_gpio_descriptors && spi_get_csgpiod(spi, 0))
>                         tmp &= ~SPI_CS_HIGH;
>  
>                 if (cmd == SPI_IOC_RD_MODE)
> @@ -430,8 +429,7 @@ spidev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
>                                 break;
>                         }
>  
> -                       if (ctlr->use_gpio_descriptors && ctlr->cs_gpiods &&
> -                           ctlr->cs_gpiods[spi_get_chipselect(spi, 0)])
> +                       if (ctlr->use_gpio_descriptors && spi_get_csgpiod(spi, 0))
>                                 tmp |= SPI_CS_HIGH;
>  
>                         tmp |= spi->mode & ~SPI_MODE_MASK;

--
Alexander Sverdlin
Siemens AG
www.siemens.com