RE: [PATCH net v5] net: txgbe: fix i2c dev name cannot match clkdev

[duanqiangwen@net-swift.com]

-----Original Message-----
From: Jiri Pirko <jiri@resnulli.us> 
Sent: 2024年3月22日 16:12
To: Duanqiang Wen <duanqiangwen@net-swift.com>
Cc: netdev@vger.kernel.org; jiawenwu@trustnetic.com;
mengyuanlou@net-swift.com; davem@davemloft.net; edumazet@google.com;
kuba@kernel.org; pabeni@redhat.com; maciej.fijalkowski@intel.com;
andrew@lunn.ch; wangxiongfeng2@huawei.com; linux-kernel@vger.kernel.org;
michal.kubiak@intel.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@net-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.

>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@net-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
>
>