If an I2C device node does not specify an interrupt, the .irq member of the
board_info struct was set to -1. This caused crashes on following
irq_dispose_mappings. Leave it NO_IRQ as returned from irq_of_parse_and_map.
(Suggesting -1 as 'i2c-no-irq' used to be a bug in linux/i2c.h.)
Signed-off-by: Wolfram Sang <[EMAIL PROTECTED]>
---
drivers/of/of_i2c.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
index b2ccdcb..500cb1e 100644
--- a/drivers/of/of_i2c.c
+++ b/drivers/of/of_i2c.c
@@ -90,8 +90,6 @@ void of_register_i2c_devices(struct i2c_adapter *adap,
}
info.irq = irq_of_parse_and_map(node, 0);
- if (info.irq == NO_IRQ)
- info.irq = -1;
if (of_find_i2c_driver(node, &info) < 0) {
irq_dispose_mapping(info.irq);
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