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Date:	Wed, 22 Jun 2016 09:33:24 +0800
From:	Yisen Zhuang <Yisen.zhuang@...wei.com>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	<davem@...emloft.net>, <salil.mehta@...wei.com>,
	<yankejian@...wei.com>
CC:	<liguozhu@...wei.com>, <huangdaode@...ilicon.com>, <arnd@...db.de>,
	<andrew@...n.ch>, <geliangtang@....com>, <ivecera@...hat.com>,
	<fengguang.wu@...el.com>, <charles.chenxin@...wei.com>,
	<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linuxarm@...wei.com>
Subject: Re: [PATCH net-next 01/19] net: hns: bug fix of ge reset sequence



在 2016/6/21 18:35, Andy Shevchenko 写道:
> On Tue, 2016-06-21 at 11:56 +0800, Yisen Zhuang wrote:
>> From: Qianqian Xie <xieqianqian@...wei.com>
>>
>> The bit fileds of PPE reset register are different between HNS v1 and
>> HNS v2, but the current procedure just only match HNS v1. Here is a
>> patch to fix it.
>>
>> Signed-off-by: Kejian Yan <yankejian@...wei.com>
>> Signed-off-by: Qianqian Xie <xieqianqian@...wei.com>
>> Signed-off-by: Yisen Zhuang <Yisen.Zhuang@...wei.com>
>> ---
>>  drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c | 6 +++++-
>>  1 file changed, 5 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
>> b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
>> index 96cb628..09e60d6 100644
>> --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
>> +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
>> @@ -271,7 +271,11 @@ static void hns_dsaf_ge_srst_by_port(struct
>> dsaf_device *dsaf_dev, u32 port,
>>  		}
>>  	} else {
>>  		reg_val_1 = 0x15540 << dsaf_dev->reset_offset;
>> -		reg_val_2 = 0x100 << dsaf_dev->reset_offset;
>> +
>> +		if (AE_IS_VER1(dsaf_dev->dsaf_ver))
>> +			reg_val_2 = 0x100 << dsaf_dev->reset_offset;
>> +		else
>> +			reg_val_2 = 0x40 << dsaf_dev->reset_offset;
> 
> reg_val_1 = 0x15540;
> reg_val_2 = AE_IS_VER1(dsaf_dev->dsaf_ver) ? 0x100 : 0x40;
> 
> reg_val_1 <<= dsaf_dev->reset_offset;
> reg_val_2 <<= dsaf_dev-

I will fix it with a new patch.

Thanks,

Yisen

>> reset_offset;
> 
> 
>>  
>>  		if (!dereset) {
>>  			dsaf_write_sub(dsaf_dev,
>> DSAF_SUB_SC_GE_RESET_REQ1_REG,
> 

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