All existing SoCs support an external clock, but RZ/G3E has only internal
clocks. Add only_internal_clks to struct rcar_canfd_hw_info to handle this
difference.
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
---
v5->v6:
* No change.
v4->v5:
* Collected tag.
* Improved commit description by "All SoCs supports extenal clock"->
"All existing SoCs support an external clock".
v3->v4:
* No change.
v2->v3:
* No change
v1->v2:
* No change.
---
drivers/net/can/rcar/rcar_canfd.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c
index 20e591421cc6..7ad27087a176 100644
--- a/drivers/net/can/rcar/rcar_canfd.c
+++ b/drivers/net/can/rcar/rcar_canfd.c
@@ -546,6 +546,7 @@ struct rcar_canfd_hw_info {
unsigned multi_channel_irqs:1; /* Has multiple channel irqs */
unsigned ch_interface_mode:1; /* Has channel interface mode */
unsigned shared_can_regs:1; /* Has shared classical can registers */
+ unsigned only_internal_clks:1; /* Has only internal clocks */
};
/* Channel priv data */
@@ -2045,7 +2046,7 @@ static int rcar_canfd_probe(struct platform_device *pdev)
fcan_freq = clk_get_rate(gpriv->can_clk) / info->postdiv;
} else {
fcan_freq = clk_get_rate(gpriv->can_clk);
- gpriv->extclk = true;
+ gpriv->extclk = !gpriv->info->only_internal_clks;
}
addr = devm_platform_ioremap_resource(pdev, 0);
--
2.43.0
