leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

misc: at25: Align comment style

Browse Source 
Make multi-line comment style aligned.
While at it, drop filename from the file.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211125213203.86693-11-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2021-11-25 23:32:03 +02:00 committed by Greg Kroah-Hartman
parent d6471ab9ab
commit 1ca54ce9a3
1 changed files with 20 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
drivers/misc/eeprom/at25.c
View File

@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* at25.c -- support most SPI EEPROMs, such as Atmel AT25 models
* and Cypress FRAMs FM25 models
* Driver for most of the SPI EEPROMs, such as Atmel AT25 models
* and Cypress FRAMs FM25 models.
*
* Copyright (C) 2006 David Brownell
*/
@ -21,7 +21,7 @@
#include <linux/nvmem-provider.h>
/*
* NOTE: this is an *EEPROM* driver. The vagaries of product naming
* NOTE: this is an *EEPROM* driver. The vagaries of product naming
* mean that some AT25 products are EEPROMs, and others are FLASH.
* Handle FLASH chips with the drivers/mtd/devices/m25p80.c driver,
* not this one!
@ -57,13 +57,14 @@ struct at25_data {
#define AT25_SR_BP1 0x08
#define AT25_SR_WPEN 0x80 /* writeprotect enable */
#define AT25_INSTR_BIT3 0x08 /* Additional address bit in instr */
#define AT25_INSTR_BIT3 0x08 /* additional address bit in instr */
#define FM25_ID_LEN 9 /* ID length */
#define EE_MAXADDRLEN 3 /* 24 bit addresses, up to 2 MBytes */
/* Specs often allow 5 msec for a page write, sometimes 20 msec;
/*
* Specs often allow 5ms for a page write, sometimes 20ms;
* it's important to recover from write timeouts.
*/
#define EE_TIMEOUT 25
@ -108,7 +109,7 @@ static int at25_ee_read(void *priv, unsigned int offset,
*cp++ = offset >> 8;
fallthrough;
case 1:
case 0: /* can't happen: for better codegen */
case 0: /* can't happen: for better code generation */
*cp++ = offset >> 0;
}
@ -125,11 +126,12 @@ static int at25_ee_read(void *priv, unsigned int offset,
mutex_lock(&at25->lock);
/* Read it all at once.
/*
* Read it all at once.
*
* REVISIT that's potentially a problem with large chips, if
* other devices on the bus need to be accessed regularly or
* this chip is clocked very slowly
* this chip is clocked very slowly.
*/
status = spi_sync(at25->spi, &m);
dev_dbg(&at25->spi->dev, "read %zu bytes at %d --> %zd\n",
@ -139,9 +141,7 @@ static int at25_ee_read(void *priv, unsigned int offset,
return status;
}
/*
* read extra registers as ID or serial number
*/
/* Read extra registers as ID or serial number */
static int fm25_aux_read(struct at25_data *at25, u8 *buf, uint8_t command,
int len)
{
@ -207,7 +207,8 @@ static int at25_ee_write(void *priv, unsigned int off, void *val, size_t count)
if (!bounce)
return -ENOMEM;
/* For write, rollover is within the page ... so we write at
/*
* For write, rollover is within the page ... so we write at
* most one page, then manually roll over to the next page.
*/
mutex_lock(&at25->lock);
@ -241,7 +242,7 @@ static int at25_ee_write(void *priv, unsigned int off, void *val, size_t count)
*cp++ = offset >> 8;
fallthrough;
case 1:
case 0: /* can't happen: for better codegen */
case 0: /* can't happen: for better code generation */
*cp++ = offset >> 0;
}
@ -257,8 +258,9 @@ static int at25_ee_write(void *priv, unsigned int off, void *val, size_t count)
if (status < 0)
break;
/* REVISIT this should detect (or prevent) failed writes
* to readonly sections of the EEPROM...
/*
* REVISIT this should detect (or prevent) failed writes
* to read-only sections of the EEPROM...
*/
/* Wait for non-busy status */
@ -427,8 +429,9 @@ static int at25_probe(struct spi_device *spi)
else
is_fram = false;
/* Ping the chip ... the status register is pretty portable,
* unlike probing manufacturer IDs. We do expect that system
/*
* Ping the chip ... the status register is pretty portable,
* unlike probing manufacturer IDs. We do expect that system
* firmware didn't write it in the past few milliseconds!
*/
sr = spi_w8r8(spi, AT25_RDSR);