linux-kernel - [PATCH v2 2/7] can: rcar_canfd: Invert global vs. channel teardown

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Message-ID: <20250912104733.173281-3-biju.das.jz@bp.renesas.com>
Date: Fri, 12 Sep 2025 11:47:20 +0100
From: Biju <biju.das.au@...il.com>
To: Marc Kleine-Budde <mkl@...gutronix.de>,
	Vincent Mailhol <mailhol.vincent@...adoo.fr>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>
Cc: Biju Das <biju.das.jz@...renesas.com>,
	linux-can@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>,
	Biju Das <biju.das.au@...il.com>,
	Vincent Mailhol <mailhol@...nel.org>
Subject: [PATCH v2 2/7] can: rcar_canfd: Invert global vs. channel teardown

From: Geert Uytterhoeven <geert+renesas@...der.be>

Global state is initialized and torn down before per-channel state.
Invert the order to restore symmetry.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
Reviewed-by: Vincent Mailhol <mailhol@...nel.org>
Reviewed-by: Biju Das <biju.das.jz@...renesas.com>
Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
---
v1->v2:
 * Collected tags.
---
 drivers/net/can/rcar/rcar_canfd.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c
index cf70029968ad..460bb62bbd08 100644
--- a/drivers/net/can/rcar/rcar_canfd.c
+++ b/drivers/net/can/rcar/rcar_canfd.c
@@ -2203,14 +2203,14 @@ static void rcar_canfd_remove(struct platform_device *pdev)
 	struct rcar_canfd_global *gpriv = platform_get_drvdata(pdev);
 	u32 ch;
 
-	rcar_canfd_reset_controller(gpriv);
-	rcar_canfd_disable_global_interrupts(gpriv);
-
 	for_each_set_bit(ch, &gpriv->channels_mask, gpriv->info->max_channels) {
 		rcar_canfd_disable_channel_interrupts(gpriv->ch[ch]);
 		rcar_canfd_channel_remove(gpriv, ch);
 	}
 
+	rcar_canfd_disable_global_interrupts(gpriv);
+	rcar_canfd_reset_controller(gpriv);
+
 	/* Enter global sleep mode */
 	rcar_canfd_set_bit(gpriv->base, RCANFD_GCTR, RCANFD_GCTR_GSLPR);
 	clk_disable_unprepare(gpriv->clkp);
-- 
2.43.0