From 9b40ff4d729f4a7a9f832c67aa5de0dfa8ad45c0 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben@fluff.org>
Date: Mon, 12 Feb 2007 00:52:41 -0800
Subject: [PATCH] [PATCH] spi: add spi_set_drvdata() and spi_get_drvdata()
Add wrappers for getting and setting the driver data using spi_device
instead of using dev_{get|set}_drvdata with &spi->dev, to mirror the
platform_{get|set}_drvdata.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
Documentation/spi/spi-summary | 2 +-
include/linux/spi/spi.h | 11 +++++++++++
2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/Documentation/spi/spi-summary b/Documentation/spi/spi-summary
index 72795796b13d6..81b6230d3d223 100644
--- a/Documentation/spi/spi-summary
+++ b/Documentation/spi/spi-summary
@@ -312,7 +312,7 @@ might look like this unless you're creating a class_device:
chip = kzalloc(sizeof *chip, GFP_KERNEL);
if (!chip)
return -ENOMEM;
- dev_set_drvdata(&spi->dev, chip);
+ spi_set_drvdata(spi, chip);
... etc
return 0;
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 176f6e36dbfac..e25fcae89d3bf 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -114,6 +114,17 @@ static inline void spi_set_ctldata(struct spi_device *spi, void *state)
spi->controller_state = state;
}
+/* device driver data */
+
+static inline void spi_set_drvdata(struct spi_device *spi, void *data)
+{
+ dev_set_drvdata(&spi->dev, data);
+}
+
+static inline void *spi_get_drvdata(struct spi_device *spi)
+{
+ return dev_get_drvdata(&spi->dev);
+}
struct spi_message;
--
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