linux-kernel - Re: [PATCH 1/5] tty/serial: at91: use correct type for dma_sync_*_for_cpu() and dma_sync_*_for

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <54AFF037.1000004@atmel.com>
Date:	Fri, 9 Jan 2015 16:13:59 +0100
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	Cyrille Pitchen <cyrille.pitchen@...el.com>,
	<gregkh@...uxfoundation.org>, <wenyou.yang@...el.com>,
	<ludovic.desroches@...el.com>, <leilei.zhao@...el.com>,
	<voice.shen@...el.com>, <josh.wu@...el.com>,
	<linux-serial@...r.kernel.org>
CC:	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/5] tty/serial: at91: use correct type for dma_sync_*_for_cpu()
 and dma_sync_*_for_device()

Le 09/12/2014 14:31, Cyrille Pitchen a écrit :
> dma_sync_*_for_cpu() and dma_sync_*_for_device() use 'enum dma_data_direction',
> not 'enum dma_transfer_direction'
> 
> Signed-off-by: Cyrille Pitchen <cyrille.pitchen@...el.com>

Sure:
Acked-by: Nicolas Ferre <nicolas.ferre@...el.com>

Here it's difficult to add a "stable" tag as the error was introduced by
several different patches.

Thanks.

> ---
>  drivers/tty/serial/atmel_serial.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
> index 4d848a2..756f567 100644
> --- a/drivers/tty/serial/atmel_serial.c
> +++ b/drivers/tty/serial/atmel_serial.c
> @@ -794,7 +794,7 @@ static void atmel_tx_dma(struct uart_port *port)
>  			return;
>  		}
>  
> -		dma_sync_sg_for_device(port->dev, sg, 1, DMA_MEM_TO_DEV);
> +		dma_sync_sg_for_device(port->dev, sg, 1, DMA_TO_DEVICE);
>  
>  		atmel_port->desc_tx = desc;
>  		desc->callback = atmel_complete_tx_dma;
> @@ -927,7 +927,7 @@ static void atmel_rx_from_dma(struct uart_port *port)
>  	dma_sync_sg_for_cpu(port->dev,
>  			    &atmel_port->sg_rx,
>  			    1,
> -			    DMA_DEV_TO_MEM);
> +			    DMA_FROM_DEVICE);
>  
>  	/*
>  	 * ring->head points to the end of data already written by the DMA.
> @@ -974,7 +974,7 @@ static void atmel_rx_from_dma(struct uart_port *port)
>  	dma_sync_sg_for_device(port->dev,
>  			       &atmel_port->sg_rx,
>  			       1,
> -			       DMA_DEV_TO_MEM);
> +			       DMA_FROM_DEVICE);
>  
>  	/*
>  	 * Drop the lock here since it might end up calling
> 


-- 
Nicolas Ferre
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/