git: ede576831b81 - main - rk_i2c_drain_rx: remove useless arithmetic manipulations

[Andriy Gapon]

The branch main has been updated by avg:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=ede576831b818c78d23a9600932e13e47b8fd745

commit ede576831b818c78d23a9600932e13e47b8fd745
Author:     Andriy Gapon <a...@freebsd.org>
AuthorDate: 2021-12-15 08:42:23 +0000
Commit:     Andriy Gapon <a...@freebsd.org>
CommitDate: 2021-12-15 11:15:45 +0000

    rk_i2c_drain_rx: remove useless arithmetic manipulations
    
    When i % 4 == 0 the result of (i / 4) * 4 is always i.
    
    MFC after:      1 week
---
 sys/arm64/rockchip/rk_i2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/arm64/rockchip/rk_i2c.c b/sys/arm64/rockchip/rk_i2c.c
index 18b7b2255e17..5ee1b8e96744 100644
--- a/sys/arm64/rockchip/rk_i2c.c
+++ b/sys/arm64/rockchip/rk_i2c.c
@@ -265,7 +265,7 @@ rk_i2c_drain_rx(struct rk_i2c_softc *sc)
 
        for (i = 0; i < len; i++) {
                if (i % 4 == 0)
-                       buf32 = RK_I2C_READ(sc, RK_I2C_RXDATA_BASE + (i / 4) * 
4);
+                       buf32 = RK_I2C_READ(sc, RK_I2C_RXDATA_BASE + i);
 
                buf8 = (buf32 >> ((i % 4) * 8)) & 0xFF;
                sc->msg->buf[sc->cnt++] = buf8;