[PATCH] can: m_can: remove redundant check for pm_clock_support

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From: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx>

m_can_clk_start() already skip starting the clock when
clock support is disabled, remove the redundant check in
m_can_class_register().

This also solves the imbalance with m_can_clk_stop() that is called
afterward in the same function before the return.

Signed-off-by: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx>
---
I spotted the issue while debugging some other part of the code,
the patch is only compile-tested.
---
 drivers/net/can/m_can/m_can.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index 16ecc11c7f62..bd1d1626684d 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -2056,11 +2056,9 @@ int m_can_class_register(struct m_can_classdev *cdev)
 {
 	int ret;
 
-	if (cdev->pm_clock_support) {
-		ret = m_can_clk_start(cdev);
-		if (ret)
-			return ret;
-	}
+	ret = m_can_clk_start(cdev);
+	if (ret)
+		return ret;
 
 	if (cdev->is_peripheral) {
 		ret = can_rx_offload_add_manual(cdev->net, &cdev->offload,
-- 
2.39.2





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