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post: fix I2C POST failure for devices in CONFIG_SYS_POST_I2C_IGNORES

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Devices in CONFIG_SYS_POST_I2C_IGNORES list may be absent
and the rule is not to report I2C POST failure for devices
in this list. Currently this doesn't work since probing for
these devices isn't done and thus they are not marked as
successfully probed. Ignore optional devices when checking
for devices that didn't respond.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
This commit is contained in:
Anatolij Gustschin
2013-04-15 04:01:07 +00:00
committed by Tom Rini
parent 19fe4b3e31
commit c55285015a
1 changed files with 2 additions and 0 deletions
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2
post/drivers/i2c.c
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@@ -100,6 +100,8 @@ int i2c_post_test (int flags)
for (i = 0; i < sizeof(i2c_addr_list); ++i) { for (i = 0; i < sizeof(i2c_addr_list); ++i) {
if (i2c_addr_list[i] == 0xff) if (i2c_addr_list[i] == 0xff)
continue; continue;
if (i2c_ignore_device(i2c_addr_list[i]))
continue;
post_log("I2C: addr %02x did not respond\n", i2c_addr_list[i]); post_log("I2C: addr %02x did not respond\n", i2c_addr_list[i]);
ret = -1; ret = -1;
} }