linux-kernel - Re: [PATCH 1/2] fix acpi ec read write bug

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Message-Id: <1221106057.3989.228.camel@yakui_zhao.sh.intel.com>
Date:	Thu, 11 Sep 2008 12:07:37 +0800
From:	Zhao Yakui <yakui.zhao@...el.com>
To:	Kevin Hao <kexin.hao@...driver.com>
Cc:	ak@...ux.intel.com, astarikovskiy@...e.de,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: [PATCH 1/2] fix acpi ec read write bug

On Thu, 2008-09-11 at 11:17 +0800, Kevin Hao wrote:
> Fill in command unit of transaction_data structure, otherwise
> gpe_transaction will skip read or write instruction.
> 
> Signed-off-by: Kevin Hao <kexin.hao@...driver.com>
> ---
>  drivers/acpi/ec.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
> index bd3555c..0c65e82 100644
> --- a/drivers/acpi/ec.c
> +++ b/drivers/acpi/ec.c
> @@ -240,6 +240,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
>  	}
>  	atomic_set(&ec->irq_count, 0);
>  	/* fill in transaction structure */
> +	ec->t.command = command;
It is also OK to add this explicitly. In fact the ec->t.command will be
assigned in the function of acpi_ec_write_cmd.

Thanks.
>  	ec->t.wdata = wdata;
>  	ec->t.wlen = wdata_len;
>  	ec->t.rdata = rdata;

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