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drivers/i2c/designware/dw_i2c: improve CONTROL_SPEED_FS definition 

The speed control bits of the Designware I2C controller are bits 1 and 2
in the control register, so the values should be written as number
shifted by the number of the first bit. The resulting constant is
identical.

TEST=Timeless build for amd/chausie results in identical binary

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Id0881dfcd7703ab6a70a9b1a355d5a93771aebc6
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61591
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
This commit is contained in:
Felix Held 2022-02-03 15:31:55 +01:00
parent 3bdbdb77a2
commit 6151ff3eae
1 changed files with 1 additions and 1 deletions
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2
src/drivers/i2c/designware/dw_i2c.c
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@ -43,7 +43,7 @@ struct freq {
enum { enum {
CONTROL_MASTER_MODE = (1 << 0), CONTROL_MASTER_MODE = (1 << 0),
CONTROL_SPEED_SS = (1 << 1), CONTROL_SPEED_SS = (1 << 1),
CONTROL_SPEED_FS = (1 << 2), CONTROL_SPEED_FS = (2 << 1),
CONTROL_SPEED_HS = (3 << 1), CONTROL_SPEED_HS = (3 << 1),
CONTROL_SPEED_MASK = (3 << 1), CONTROL_SPEED_MASK = (3 << 1),
CONTROL_10BIT_SLAVE = (1 << 3), CONTROL_10BIT_SLAVE = (1 << 3),