linux-kernel - [PATCH v1 01/10] misc: at25: Use at25->chip instead of local chip everywhere in ->probe()

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Date:   Thu, 25 Nov 2021 23:31:54 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-kernel@...r.kernel.org
Cc:     Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Prchal <jiri.prchal@...ignal.cz>
Subject: [PATCH v1 01/10] misc: at25: Use at25->chip instead of local chip everywhere in ->probe()

Currently some values are compared against the contents of the chip structure
and most are from its updated copy in at25->chip. Use the latter one everywhere
in ->probe().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/misc/eeprom/at25.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c
index e21216541b0f..6bea9c7c64a0 100644
--- a/drivers/misc/eeprom/at25.c
+++ b/drivers/misc/eeprom/at25.c
@@ -434,8 +434,8 @@ static int at25_probe(struct spi_device *spi)
 			return -ENODEV;
 		}
 
-		chip.byte_len = int_pow(2, id[7] - 0x21 + 4) * 1024;
-		if (chip.byte_len > 64 * 1024)
+		at25->chip.byte_len = int_pow(2, id[7] - 0x21 + 4) * 1024;
+		if (at25->chip.byte_len > 64 * 1024)
 			at25->chip.flags |= EE_ADDR3;
 		else
 			at25->chip.flags |= EE_ADDR2;
@@ -466,7 +466,7 @@ static int at25_probe(struct spi_device *spi)
 	at25->nvmem_config.type = is_fram ? NVMEM_TYPE_FRAM : NVMEM_TYPE_EEPROM;
 	at25->nvmem_config.name = dev_name(&spi->dev);
 	at25->nvmem_config.dev = &spi->dev;
-	at25->nvmem_config.read_only = chip.flags & EE_READONLY;
+	at25->nvmem_config.read_only = at25->chip.flags & EE_READONLY;
 	at25->nvmem_config.root_only = true;
 	at25->nvmem_config.owner = THIS_MODULE;
 	at25->nvmem_config.compat = true;
@@ -476,17 +476,17 @@ static int at25_probe(struct spi_device *spi)
 	at25->nvmem_config.priv = at25;
 	at25->nvmem_config.stride = 1;
 	at25->nvmem_config.word_size = 1;
-	at25->nvmem_config.size = chip.byte_len;
+	at25->nvmem_config.size = at25->chip.byte_len;
 
 	at25->nvmem = devm_nvmem_register(&spi->dev, &at25->nvmem_config);
 	if (IS_ERR(at25->nvmem))
 		return PTR_ERR(at25->nvmem);
 
 	dev_info(&spi->dev, "%d %s %s %s%s, pagesize %u\n",
-		 (chip.byte_len < 1024) ? chip.byte_len : (chip.byte_len / 1024),
-		 (chip.byte_len < 1024) ? "Byte" : "KByte",
+		 (at25->chip.byte_len < 1024) ? at25->chip.byte_len : (at25->chip.byte_len / 1024),
+		 (at25->chip.byte_len < 1024) ? "Byte" : "KByte",
 		 at25->chip.name, is_fram ? "fram" : "eeprom",
-		 (chip.flags & EE_READONLY) ? " (readonly)" : "",
+		 (at25->chip.flags & EE_READONLY) ? " (readonly)" : "",
 		 at25->chip.page_size);
 	return 0;
 }
-- 
2.33.0