linux-kernel - Re: [PATCH] i2c: remove h from printk format specifier

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Date:   Wed, 6 Jan 2021 15:43:24 +0100
From:   Jean Delvare <jdelvare@...e.de>
To:     Wolfram Sang <wsa@...nel.org>
Cc:     trix@...hat.com, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c: remove h from printk format specifier

Hi Tom, Wolfram,

On Tue, 5 Jan 2021 11:09:42 +0100, Wolfram Sang wrote:
> On Tue, Dec 15, 2020 at 10:33:27AM -0800, trix@...hat.com wrote:
> > From: Tom Rix <trix@...hat.com>
> > 
> > See Documentation/core-api/printk-formats.rst.
> > h should no longer be used in the format specifier for printk.
> > 
> > Signed-off-by: Tom Rix <trix@...hat.com>  
> 
> Adding Jean to CC. Jean, I'd think %02x would be better, what do you
> think?

Agreed, 0x%02x would be better.

If this is done then you can add:

Reviewed-by: Jean Delvare <jdelvare@...e.de>

> > ---
> >  drivers/i2c/i2c-smbus.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c
> > index d3d06e3b4f3b..5cd2cf84659e 100644
> > --- a/drivers/i2c/i2c-smbus.c
> > +++ b/drivers/i2c/i2c-smbus.c
> > @@ -396,7 +396,7 @@ void i2c_register_spd(struct i2c_adapter *adap)
> >  
> >  		if (!IS_ERR(i2c_new_scanned_device(adap, &info, addr_list, NULL))) {
> >  			dev_info(&adap->dev,
> > -				 "Successfully instantiated SPD at 0x%hx\n",
> > +				 "Successfully instantiated SPD at 0x%x\n",
> >  				 addr_list[0]);
> >  			dimm_count--;
> >  		}

-- 
Jean Delvare
SUSE L3 Support