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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prev parent 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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