Re: [PATCH] i2c driver fixes for 2.6.0-test5

Greg KH
2003-09-22T23:40:04Z

ChangeSet 1.1153.85.2, 2003/08/27 15:29:33-07:00, mds@paradyne.com

[PATCH] I2C: i2c-isa functionality

The "functionality" return was incorrectly removed for i2c-isa.c when porting to 2.5.
A driver that does nothing must return a 0 or else i2c-core assumes
0xffffffff (all functionality).

drivers/i2c/busses/i2c-isa.c | 9 +++++++++
1 files changed, 9 insertions(+)

diff -Nru a/drivers/i2c/busses/i2c-isa.c b/drivers/i2c/busses/i2c-isa.c
--- a/drivers/i2c/busses/i2c-isa.c Mon Sep 22 16:17:05 2003
+++ b/drivers/i2c/busses/i2c-isa.c Mon Sep 22 16:17:05 2003
@@ -30,10 +30,13 @@
#include <linux/errno.h>
#include <linux/i2c.h>

+static u32 isa_func(struct i2c_adapter *adapter);
+
/* This is the actual algorithm we define */
static struct i2c_algorithm isa_algorithm = {
.name = "ISA bus algorithm",
.id = I2C_ALGO_ISA,
+ .functionality = isa_func,
};

/* There can only be one... */
@@ -44,6 +47,12 @@
.algo = &isa_algorithm,
.name = "ISA main adapter",
};
+
+/* We can't do a thing... */
+static u32 isa_func(struct i2c_adapter *adapter)
+{
+ return 0;
+}

static int __init i2c_isa_init(void)
{