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From: "Tony Huang 黃懷厚" <tony.huang@sunplus.com>
To: Greg KH <gregkh@linuxfoundation.org>,
	Tony Huang <tonyhuang.sunplus@gmail.com>
Cc: "robh+dt@kernel.org" <robh+dt@kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"derek.kiernan@xilinx.com" <derek.kiernan@xilinx.com>,
	"dragan.cvetic@xilinx.com" <dragan.cvetic@xilinx.com>,
	"arnd@arndb.de" <arnd@arndb.de>,
	"Wells Lu 呂芳騰" <wells.lu@sunplus.com>
Subject: RE: [PATCH v3 2/2] misc: Add iop driver for Sunplus SP7021
Date: Fri, 10 Dec 2021 01:19:25 +0000	[thread overview]
Message-ID: <e27e199247d44e31bb71a80ba14f833d@sphcmbx02.sunplus.com.tw> (raw)
In-Reply-To: <YbHWKx6AU4z/TJS1@kroah.com>

Dear Greg:

> On Thu, Dec 09, 2021 at 04:58:09PM +0800, Tony Huang wrote:
> > +	while (1) {
> > +		if (p_iop_reg->iop_data7 == 0xaaaa)
> > +			break;
> > +	}
> 
> You can not create a loop that could never exit.  Please fix.
> 

OK, I will modify it.

> Also, what prevents the compiler from optimizing this away into nothing?
> This code does not look correct at all.
> 
> > +
> > +	writel(0xdd, &p_iop_reg->iop_data1);//8051 bin file call Ultra low
> function.
> > +	mdelay(10);
> > +}
> > +
> > +static int  sp_iop_get_normal_code(struct device *dev, struct sp_iop
> > +*iop) {
> > +	const struct firmware *fw;
> > +	static const char file[] = "normal.bin";
> > +	unsigned int err, i;
> > +
> > +	dev_info(dev, "normal code\n");
> 
> Please always delete your debugging code before submitting a patch.
> 

OK, I will delete it.

> Also, please run checkpatch.pl on your changes before submitting them.
> 
> thanks,
> 
> greg k-h

      reply	other threads:[~2021-12-10  1:19 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-09  8:58 [PATCH v3 0/2] " Tony Huang
2021-12-09  8:58 ` [PATCH v3 1/2] dt-binding: misc: Add iop yaml file " Tony Huang
2021-12-14 19:32   ` Rob Herring
2021-12-09  8:58 ` [PATCH v3 2/2] misc: Add iop driver " Tony Huang
2021-12-09  9:50   ` Arnd Bergmann
2021-12-10  1:30     ` Tony Huang 黃懷厚
2021-12-17 15:16     ` Tony Huang 黃懷厚
2021-12-17 15:31       ` gregkh
2021-12-18 12:53         ` Tony Huang 黃懷厚
2021-12-18 13:05           ` gregkh
2021-12-18 17:30             ` Tony Huang 黃懷厚
2021-12-17 16:09       ` Arnd Bergmann
2021-12-09 10:10   ` Greg KH
2021-12-10  1:19     ` Tony Huang 黃懷厚 [this message]

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