[PATCH] drivers/spi/spi.c: when allocating a struct device_d specify id as -1
From: Jan Luebbe <jlu@pengutronix.de>
Date: 2012-05-14 08:38:44
Subsystem:
spi subsystem, the rest · Maintainers:
Mark Brown, Linus Torvalds
This causes allocation of a free id and avoids conflicts if multiple identical SPI devices are attached. Signed-off-by: Jan Luebbe <jlu@pengutronix.de> --- drivers/spi/spi.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 7a8aed4..b63d02f 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c@@ -78,6 +78,7 @@ struct spi_device *spi_new_device(struct spi_master *master, proxy->bits_per_word = chip->bits_per_word ? chip->bits_per_word : 8; proxy->dev.platform_data = chip->platform_data; strcpy(proxy->dev.name, chip->name); + proxy->dev.id = -1; /* allocate a free id for this chip */ proxy->dev.type_data = proxy; dev_add_child(master->dev, &proxy->dev);
--
1.7.9.5
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