rtc: imxdi: Mark driver struct with __refdata to prevent section mismatch warning

As described in the added code comment, a reference to .exit.text is ok
for drivers registered via module_platform_driver_probe(). Make this
explicit to prevent a section mismatch warning.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20231002080529.2535610-4-u.kleine-koenig@pengutronix.de
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c
index 4b712e5ab08a022e3ae963c5f52d14882c77c939..cf202eaa542efcf02ab71543b6920d807ab52a3f 100644 (file)
--- a/drivers/rtc/rtc-imxdi.c
+++ b/drivers/rtc/rtc-imxdi.c
@@ -851,7 +851,13 @@ static const struct of_device_id dryice_dt_ids[] = {
 
 MODULE_DEVICE_TABLE(of, dryice_dt_ids);
 
-static struct platform_driver dryice_rtc_driver = {
+/*
+ * dryice_rtc_remove() lives in .exit.text. For drivers registered via
+ * module_platform_driver_probe() this is ok because they cannot get unbound at
+ * runtime. So mark the driver struct with __refdata to prevent modpost
+ * triggering a section mismatch warning.
+ */
+static struct platform_driver dryice_rtc_driver __refdata = {
        .driver = {
                   .name = "imxdi_rtc",
                   .of_match_table = dryice_dt_ids,