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i2c: Rename CONFIG_SYS_I2C to CONFIG_SYS_I2C_LEGACY

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It is quite confusing that CONFIG_SYS_I2C selects the legacy I2C and
CONFIG_DM_I2C selects the current I2C. The deadline to migrate I2C is less
than a year away.

Also we want to have a CONFIG_I2C for U-Boot proper just like we have
CONFIG_SPL_I2C for SPL, so we can simplify the Makefile rules.

Rename this symbol so it is clear it is going away.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Simon Glass
2021-07-28 14:29:37 -04:00
committed by Tom Rini
parent 9ca00684db
commit 69d9eda4da
110 changed files with 133 additions and 130 deletions
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include/config_fallbacks.h
+2 -2
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@@ -47,8 +47,8 @@
#endif
#if CONFIG_IS_ENABLED(DM_I2C)
# ifdef CONFIG_SYS_I2C
# error "Cannot define CONFIG_SYS_I2C when CONFIG_DM_I2C is used"
# ifdef CONFIG_SYS_I2C_LEGACY
# error "Cannot define CONFIG_SYS_I2C_LEGACY when CONFIG_DM_I2C is used"
# endif
#endif