linux-kernel - Re: [PATCH net v5] net: txgbe: fix i2c dev name cannot match clkdev

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Date: Fri, 22 Mar 2024 10:02:09 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: duanqiangwen@...-swift.com
Cc: 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, michal.kubiak@...el.com
Subject: Re: [PATCH net v5] net: txgbe: fix i2c dev name cannot match clkdev

Fri, Mar 22, 2024 at 09:20:04AM CET, duanqiangwen@...-swift.com wrote:
>
>-----Original Message-----
>From: Jiri Pirko <jiri@...nulli.us> 
>Sent: 2024年3月22日 16:12
>To: Duanqiang Wen <duanqiangwen@...-swift.com>
>Cc: 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;
>michal.kubiak@...el.com
>Subject: Re: [PATCH net v5] net: txgbe: fix i2c dev name cannot match clkdev
>
>Fri, Mar 22, 2024 at 09:04:16AM CET, duanqiangwen@...-swift.com wrote:
>>txgbe clkdev shortened clk_name, so i2c_dev info_name also need to 
>>shorten. Otherwise, i2c_dev cannot initialize clock.
>>
>>Change log:
>>v4-v5: address comments:
>>	Jiri Pirko:
>>	Well, since it is used in txgbe_phy.c, it should be probably
>>	rather defined locally in txgbe_phy.c.
>
>Did you read Florian's comment? Please do.
>
>pw-bot: cr
>--------
>I replied to Florian: 
>" I want to shorten "i2c_desginware" to "i2c_dw" in txgbe driver, so other
>drivers
>which use "i2c_designware" need another patch to use a define. "
>
>Sorry, this email forgot to cc the mailing list.

Could you please use some sane email client that properly prefixes the
original text by ">"?


>
>>v3->v4: address comments:
>>	Jakub Kicinski:
>>	No empty lines between Fixes and Signed-off... please.
>>v2->v3: address comments:
>>	Jiawen Wu:
>>	Please add the define in txgbe_type.h
>>
>>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 | 8 +++++---
>> 1 file 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..2fa511227eac 100644
>>--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
>>+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
>>@@ -20,6 +20,8 @@
>> #include "txgbe_phy.h"
>> #include "txgbe_hw.h"
>> 
>>+#define TXGBE_I2C_CLK_DEV_NAME "i2c_dw"
>>+
>> static int txgbe_swnodes_register(struct txgbe *txgbe)  {
>> 	struct txgbe_nodes *nodes = &txgbe->nodes; @@ -571,8 +573,8 @@
>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 +636,7 @@ 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);
>>--
>>2.27.0
>>
>>
> 
>