linux-kernel - Re: [PATCH net v2] net: txgbe: fix i2c dev name cannot match clkdev

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Date: Thu, 21 Mar 2024 10:52:17 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: Jiawen Wu <jiawenwu@...stnetic.com>
Cc: 'Duanqiang Wen' <duanqiangwen@...-swift.com>, netdev@...r.kernel.org,
	mengyuanlou@...-swift.com, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, maciej.fijalkowski@...el.com,
	andrew@...n.ch, wangxiongfeng2@...wei.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v2] net: txgbe: fix i2c dev name cannot match clkdev

Thu, Mar 21, 2024 at 02:58:24AM CET, jiawenwu@...stnetic.com wrote:
>
>
>> -----Original Message-----
>> From: Duanqiang Wen <duanqiangwen@...-swift.com>
>> Sent: Thursday, March 21, 2024 9:52 AM
>> To: netdev@...r.kernel.org; jiawenwu@...stnetic.com; mengyuanlou@...-swift.com; davem@...emloft.net;
>> edumazet@...gle.com; kuba@...nel.org; pabeni@...hat.com; maciej.fijalkowski@...el.com; andrew@...n.ch;
>> wangxiongfeng2@...wei.com; linux-kernel@...r.kernel.org
>> Cc: Duanqiang Wen <duanqiangwen@...-swift.com>
>> Subject: [PATCH net v2] net: txgbe: fix i2c dev name cannot match clkdev
>> 
>> txgbe clkdev shortened clk_name, so i2c_dev info_name
>> also need to shorten. Otherwise, i2c_dev cannot initialize
>> clock. And had "i2c_dw" string in a define.
>> 
>> Fixes: e30cef001da2 ("net: txgbe: fix clk_name exceed MAX_DEV_ID limits")
>> 
>> Signed-off-by: Duanqiang Wen <duanqiangwen@...-swift.com>
>> ---
>>  drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c | 6 +++---
>>  drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h | 2 ++
>>  2 files changed, 5 insertions(+), 3 deletions(-)
>> 
>> diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
>> index 5b5d5e4310d1..3f61f161f1ed 100644
>> --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
>> +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
>> @@ -571,8 +571,8 @@ static int txgbe_clock_register(struct txgbe *txgbe)
>>  	char clk_name[32];
>>  	struct clk *clk;
>> 
>> -	snprintf(clk_name, sizeof(clk_name), "i2c_dw.%d",
>> -		 pci_dev_id(pdev));
>> +	snprintf(clk_name, sizeof(clk_name), "%s.%d",
>> +		 TXGBE_I2C_CLK_DEV_NAME, pci_dev_id(pdev));
>> 
>>  	clk = clk_register_fixed_rate(NULL, clk_name, NULL, 0, 156250000);
>>  	if (IS_ERR(clk))
>> @@ -634,7 +634,7 @@ static int txgbe_i2c_register(struct txgbe *txgbe)
>> 
>>  	info.parent = &pdev->dev;
>>  	info.fwnode = software_node_fwnode(txgbe->nodes.group[SWNODE_I2C]);
>> -	info.name = "i2c_designware";
>> +	info.name = TXGBE_I2C_CLK_DEV_NAME;
>>  	info.id = pci_dev_id(pdev);
>> 
>>  	info.res = &DEFINE_RES_IRQ(pdev->irq);
>> diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h
>> index 8a026d804fe2..c7f2157f3d95 100644
>> --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h
>> +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h
>> @@ -4,6 +4,8 @@
>>  #ifndef _TXGBE_PHY_H_
>>  #define _TXGBE_PHY_H_
>> 
>> +#define TXGBE_I2C_CLK_DEV_NAME "i2c_dw"
>
>Please add the define in txgbe_type.h

Well, since it is used in txgbe_phy.c, it should be probably
rather defined locally in txgbe_phy.c.

Anyhow
Reviewed-by: Jiri Pirko <jiri@...dia.com>



>
>> +
>>  irqreturn_t txgbe_gpio_irq_handler(int irq, void *data);
>>  void txgbe_reinit_gpio_intr(struct wx *wx);
>>  irqreturn_t txgbe_link_irq_handler(int irq, void *data);
>> --
>> 2.27.0
>> 
>
>