linux-kernel - Re: [PATCH] mmc: sdhci-of-dwcmshc: set CQE irq-handler for rockchip variants

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Message-ID: <b42123e6-eb46-442e-9caf-0184f86d723b@intel.com>
Date: Fri, 31 May 2024 16:29:20 +0300
From: Adrian Hunter <adrian.hunter@...el.com>
To: Heiko Stuebner <heiko@...ech.de>, ulf.hansson@...aro.org
Cc: serghox@...il.com, linux-mmc@...r.kernel.org,
 linux-kernel@...r.kernel.org, quentin.schulz@...rry.de,
 Heiko Stuebner <heiko.stuebner@...rry.de>
Subject: Re: [PATCH] mmc: sdhci-of-dwcmshc: set CQE irq-handler for rockchip
 variants

On 31/05/24 00:55, Heiko Stuebner wrote:
> From: Heiko Stuebner <heiko.stuebner@...rry.de>
> 
> The dwcmshc used on Rockchip rk3568 and rk3588 can use cqe, so set
> the needed irq handler.
> 
> Tested on a rk3588-tiger SoM with dd, hdparm and fio. fio performance
> does increase slightly from
> 
> Run status group 0 (all jobs):
>    READ: bw=209MiB/s (219MB/s), 209MiB/s-209MiB/s (219MB/s-219MB/s), io=4096MiB (4295MB), run=19607-19607msec
> 
> without CQE to
> 
> Run status group 0 (all jobs):
>    READ: bw=215MiB/s (225MB/s), 215MiB/s-215MiB/s (225MB/s-225MB/s), io=4096MiB (4295MB), run=19062-19062msec
> 
> with CQE enabled.
> 
> Signed-off-by: Heiko Stuebner <heiko.stuebner@...rry.de>

Acked-by: Adrian Hunter <adrian.hunter@...el.com>

> ---
>  drivers/mmc/host/sdhci-of-dwcmshc.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
> index 4410d4523728d..3c203857189f9 100644
> --- a/drivers/mmc/host/sdhci-of-dwcmshc.c
> +++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
> @@ -908,6 +908,7 @@ static const struct sdhci_ops sdhci_dwcmshc_rk35xx_ops = {
>  	.get_max_clock		= rk35xx_get_max_clock,
>  	.reset			= rk35xx_sdhci_reset,
>  	.adma_write_desc	= dwcmshc_adma_write_desc,
> +	.irq			= dwcmshc_cqe_irq_handler,
>  };
>  
>  static const struct sdhci_ops sdhci_dwcmshc_th1520_ops = {