Re: [PATCH v2 2/3] mtd: dataflash: Improve coding style in jedec_probe()

From: Joe Perches
Date: Tue Apr 18 2017 - 18:36:52 EST


On Tue, 2017-04-18 at 20:25 +0200, Marek Vasut wrote:
> On 04/18/2017 04:21 PM, Andrey Smirnov wrote:
> > As per request from Marek Vasut, change the following:
>
> Does that really have to be in the commit message ? ^_^'
>
> > - Replace indentation between type and name of local variable from
> > tabs to spaces
> >
> > - Replace magic number 0x1F with CFI_MFR_ATMEL macro
> >
> > - Replace variable 'tmp' with 'ret' and 'i' where appropriate
> >
> > - Reformat multi-line comments and add newlines where appropriate
> >
> > No functional change intended.
>
> Appreciated, thanks!

trivia:

> > diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
[]
> > @@ -768,9 +771,9 @@ static struct flash_info *jedec_probe(struct spi_device *spi)
> > jedec = jedec << 8;
> > jedec |= id[2];
> >
> > - for (tmp = 0, info = dataflash_data;
> > - tmp < ARRAY_SIZE(dataflash_data);
> > - tmp++, info++) {
> > + for (i = 0, info = dataflash_data;
> > + i < ARRAY_SIZE(dataflash_data);
> > + i++, info++) {
> > if (info->jedec_id == jedec) {
> > pr_debug("%s: OTP, sector protect%s\n",
> > dev_name(&spi->dev),

This loop could be written without the i variable.

for (info = dataflash_data;
info < dataflash_data + ARRAY_SIZE(dataflash_data);
info++) {