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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2021-11-25 22:32:03 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-12-03 14:26:15 +0100
commit1ca54ce9a3ff157b93402a7fea52595d029daa8d (patch)
treebfc1073c6898f4718d38c791c51f6c7df9eebab5 /drivers/misc/eeprom/at25.c
parentmisc: at25: Replace commas by spaces in the ID tables (diff)
downloadlinux-1ca54ce9a3ff157b93402a7fea52595d029daa8d.tar.xz
linux-1ca54ce9a3ff157b93402a7fea52595d029daa8d.zip
misc: at25: Align comment style
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>
Diffstat (limited to 'drivers/misc/eeprom/at25.c')
-rw-r--r--drivers/misc/eeprom/at25.c37
1 files changed, 20 insertions, 17 deletions
diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c
index 9264bb17963e..f16f67baf3d2 100644
--- a/drivers/misc/eeprom/at25.c
+++ b/drivers/misc/eeprom/at25.c
@@ -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);