From: clabbe.montjoie@gmail.com
To: ldewangan@nvidia.com,broonie@kernel.org,thierry.reding@gmail.com,jonathanh@nvidia.com,devnull+webgeek1234.gmail.com@kernel.org
Cc: linux-spi@vger.kernel.org,linux-tegra@vger.kernel.org,linux-kernel@vger.kernel.org,stable@vger.kernel.org,webgeek1234@gmail.com
Subject: Re: [PATCH] spi: tegra114: Use value to check for invalid delays
Date: Thu, 08 May 2025 03:34:28 -0700 (PDT) [thread overview]
Message-ID: <681c88b4.df0a0220.27ca51.39ec@mx.google.com> (raw)
In-Reply-To: 20250506-spi-tegra114-fixup-v1-1-136dc2f732f3@gmail.com
> From: Aaron Kling <webgeek1234@gmail.com>
>
> A delay unit of 0 is a valid entry, thus it is not valid to check for
> unused delays. Instead, check the value field; if that is zero, the
> given delay is unset.
>
> Fixes: 4426e6b4ecf6 ("spi: tegra114: Don't fail set_cs_timing when delays are zero")
> Cc: stable@vger.kernel.org
> Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
> ---
> drivers/spi/spi-tegra114.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c
> index 2a8bb798e95b954fe573f1c50445ed2e7fcbfd78..795a8482c2c700c3768bd50bf59971256893a486 100644
> --- a/drivers/spi/spi-tegra114.c
> +++ b/drivers/spi/spi-tegra114.c
> @@ -728,9 +728,9 @@ static int tegra_spi_set_hw_cs_timing(struct spi_device *spi)
> u32 inactive_cycles;
> u8 cs_state;
>
> - if ((setup->unit && setup->unit != SPI_DELAY_UNIT_SCK) ||
> - (hold->unit && hold->unit != SPI_DELAY_UNIT_SCK) ||
> - (inactive->unit && inactive->unit != SPI_DELAY_UNIT_SCK)) {
> + if ((setup->value && setup->unit != SPI_DELAY_UNIT_SCK) ||
> + (hold->value && hold->unit != SPI_DELAY_UNIT_SCK) ||
> + (inactive->value && inactive->unit != SPI_DELAY_UNIT_SCK)) {
> dev_err(&spi->dev,
> "Invalid delay unit %d, should be SPI_DELAY_UNIT_SCK\n",
> SPI_DELAY_UNIT_SCK);
>
> ---
> base-commit: 0d8d44db295ccad20052d6301ef49ff01fb8ae2d
> change-id: 20250506-spi-tegra114-fixup-dbf6730db087
>
> Best regards,
> --
> Aaron Kling <webgeek1234@gmail.com>
>
>
>
>
Tested-by: Corentin LABBE <clabbe.montjoie@gmail.com>
Tested-on: tegra124-jetson-tk1
Thanks
Regards
next prev parent reply other threads:[~2025-05-08 10:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-06 18:36 [PATCH] spi: tegra114: Use value to check for invalid delays Aaron Kling via B4 Relay
2025-05-07 15:51 ` Jon Hunter
2025-05-08 10:34 ` clabbe.montjoie [this message]
2025-05-08 14:39 ` Mark Brown
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