rtc: emul: Staticize and constify driver ops

Set the ops structure as static const. The structure is not accessible
from outside of this driver and is not going to be modified at runtime.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/rtc/i2c_rtc_emul.c b/drivers/rtc/i2c_rtc_emul.c
index ea11c72c964c952b08a7354df0d003f66f316526..41bdf275f1eb98a413577c0c776f8371ec3e98cc 100644 (file)
--- a/drivers/rtc/i2c_rtc_emul.c
+++ b/drivers/rtc/i2c_rtc_emul.c
@@ -191,7 +191,7 @@ static int sandbox_i2c_rtc_xfer(struct udevice *emul, struct i2c_msg *msg,
        return 0;
 }
 
-struct dm_i2c_ops sandbox_i2c_rtc_emul_ops = {
+static const struct dm_i2c_ops sandbox_i2c_rtc_emul_ops = {
        .xfer = sandbox_i2c_rtc_xfer,
 };