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

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Date: Fri, 22 Mar 2024 17:12:22 +0800
From: duanqiangwen@...-swift.com
To: "'Jiri Pirko'" <jiri@...nulli.us>
Cc: "'netdev'" <netdev@...r.kernel.org>,
	"'jiawenwu'" <jiawenwu@...stnetic.com>,
	"'mengyuanlou'" <mengyuanlou@...-swift.com>,
	"'davem'" <davem@...emloft.net>,
	"'edumazet'" <edumazet@...gle.com>,
	"'kuba'" <kuba@...nel.org>,
	"'pabeni'" <pabeni@...hat.com>,
	"'maciej.fijalkowski'" <maciej.fijalkowski@...el.com>,
	"'andrew'" <andrew@...n.ch>,
	"'wangxiongfeng2'" <wangxiongfeng2@...wei.com>,
	"'linux-kernel'" <linux-kernel@...r.kernel.org>,
	"'michal.kubiak'" <michal.kubiak@...el.com>
Subject: RE: [PATCH net v5] net: txgbe: fix i2c dev name cannot match clkdev


> -----Original Message-----
> From: Jiri Pirko <jiri@...nulli.us>
> Sent: 2024年3月22日 17:02
> 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 ">"?

I'm sorry, and I have  set up the right email client settings now.

> >
> >>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
> >>
> >>
> >
> >
>