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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Denis Orlov <denorl2009@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] ata: ahci: use correct macro when calculating offsets in dma memory
Date: Wed, 11 May 2022 08:46:25 +0200	[thread overview]
Message-ID: <20220511064625.GK4012@pengutronix.de> (raw)
In-Reply-To: <20220505144440.29188-1-denorl2009@gmail.com>

On Thu, May 05, 2022 at 05:44:40PM +0300, Denis Orlov wrote:
> The macro that indicates the size of a single element in the command
> list was incorrectly used instead of the macro that stands for the size
> of the whole list.
> 
> Signed-off-by: Denis Orlov <denorl2009@gmail.com>
> ---
>  drivers/ata/ahci.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)

Applied, thanks

Sascha

> 
> diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
> index f707efb50f..eb9e1bd133 100644
> --- a/drivers/ata/ahci.c
> +++ b/drivers/ata/ahci.c
> @@ -310,15 +310,15 @@ static int ahci_init_port(struct ahci_port *ahci_port)
>  	/*
>  	 * Second item: Received-FIS area
>  	 */
> -	ahci_port->rx_fis = mem + AHCI_CMD_SLOT_SZ;
> -	ahci_port->rx_fis_dma = mem_dma + AHCI_CMD_SLOT_SZ;
> +	ahci_port->rx_fis = mem + AHCI_CMD_LIST_SZ;
> +	ahci_port->rx_fis_dma = mem_dma + AHCI_CMD_LIST_SZ;
>  
>  	/*
>  	 * Third item: data area for storing a single command
>  	 * and its scatter-gather table
>  	 */
> -	ahci_port->cmd_tbl = mem + AHCI_CMD_SLOT_SZ + AHCI_RX_FIS_SZ;
> -	ahci_port->cmd_tbl_dma = mem_dma + AHCI_CMD_SLOT_SZ + AHCI_RX_FIS_SZ;
> +	ahci_port->cmd_tbl = mem + AHCI_CMD_LIST_SZ + AHCI_RX_FIS_SZ;
> +	ahci_port->cmd_tbl_dma = mem_dma + AHCI_CMD_LIST_SZ + AHCI_RX_FIS_SZ;
>  
>  	ahci_port_debug(ahci_port, "cmd_tbl = 0x%p (0x%pa)\n",
>  			ahci_port->cmd_tbl, ahci_port->cmd_tbl_dma);
> -- 
> 2.20.1
> 
> 

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      reply	other threads:[~2022-05-11  6:47 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-05 14:44 Denis Orlov
2022-05-11  6:46 ` Sascha Hauer [this message]

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