Re: [PATCH] char: hw_random: xgene-rng: removed unneeded call to platform_set_drvdata()

From: Martin Kaiser
Date: Mon Aug 28 2023 - 07:48:57 EST


Andrei Coardos (aboutphysycs@xxxxxxxxx) wrote:

> This function call was found to be unnecessary as there is no equivalent
> platform_get_drvdata() call to access the private data of the driver. Also,
> the private data is defined in this driver, so there is no risk of it being
> accessed outside of this driver file.

> Signed-off-by: Andrei Coardos <aboutphysycs@xxxxxxxxx>
> ---
> drivers/char/hw_random/xgene-rng.c | 1 -
> 1 file changed, 1 deletion(-)

> diff --git a/drivers/char/hw_random/xgene-rng.c b/drivers/char/hw_random/xgene-rng.c
> index 7c8f3cb7c6af..9d64b5931a27 100644
> --- a/drivers/char/hw_random/xgene-rng.c
> +++ b/drivers/char/hw_random/xgene-rng.c
> @@ -321,7 +321,6 @@ static int xgene_rng_probe(struct platform_device *pdev)
> return -ENOMEM;

> ctx->dev = &pdev->dev;
> - platform_set_drvdata(pdev, ctx);

> ctx->csr_base = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(ctx->csr_base))
> --
> 2.34.1

This one's ok, too. 67fb1e295839 ("hwrng: xgene - Simplify using
devm_clk_get_optional_enabled()") removed the platform_get_drvdata call.

Reviewed-by: Martin Kaiser <martin@xxxxxxxxx>