linux-kernel - [PATCH 2/2] misc/at25: Add an .id_table to at25 to facilitate driver loading and binding.

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Date:	Wed, 22 Aug 2012 12:03:58 -0700
From:	David Daney <ddaney.cavm@...il.com>
To:	devicetree-discuss@...ts.ozlabs.org,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>
Cc:	linux-kernel@...r.kernel.org, David Daney <david.daney@...ium.com>
Subject: [PATCH 2/2] misc/at25: Add an .id_table to at25 to facilitate driver loading and binding.

From: David Daney <david.daney@...ium.com>

With this patch we get automatic driver loading and binding for device
tree specified hardware typologies.  Also recognize "st,m95256"
devices as being compatible with the driver.

Signed-off-by: David Daney <david.daney@...ium.com>
---
 drivers/misc/eeprom/at25.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c
index 4ed93dd..bd4a6c7 100644
--- a/drivers/misc/eeprom/at25.c
+++ b/drivers/misc/eeprom/at25.c
@@ -470,12 +470,19 @@ static int __devexit at25_remove(struct spi_device *spi)
 }
 
 /*-------------------------------------------------------------------------*/
+static const struct spi_device_id at25_id[] = {
+	{"at25", 0},
+	{"m95256", 0},
+	{ }
+};
+MODULE_DEVICE_TABLE(spi, at25_id);
 
 static struct spi_driver at25_driver = {
 	.driver = {
 		.name		= "at25",
 		.owner		= THIS_MODULE,
 	},
+	.id_table	= at25_id,
 	.probe		= at25_probe,
 	.remove		= __devexit_p(at25_remove),
 };
@@ -485,4 +492,3 @@ module_spi_driver(at25_driver);
 MODULE_DESCRIPTION("Driver for most SPI EEPROMs");
 MODULE_AUTHOR("David Brownell");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("spi:at25");
-- 
1.7.11.4

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