linux-kernel - [PATCH V3 1/5] i3c: master: svc: move module reset behind clk enable

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210716085317.3572224-2-xiaoning.wang@nxp.com>
Date:   Fri, 16 Jul 2021 16:53:13 +0800
From:   Clark Wang <xiaoning.wang@....com>
To:     miquel.raynal@...tlin.com, conor.culhane@...vaco.com,
        alexandre.belloni@...tlin.com
Cc:     linux-i3c@...ts.infradead.org, linux-kernel@...r.kernel.org,
        xiaoning.wang@....com
Subject: [PATCH V3 1/5] i3c: master: svc: move module reset behind clk enable

Reset I3C module will R/W its regs, so enable its clocks first.

Signed-off-by: Clark Wang <xiaoning.wang@....com>
Reviewed-by: Miquel Raynal <miquel.raynal@...tlin.com>
---
V2/V3: No change.
---
 drivers/i3c/master/svc-i3c-master.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c
index 879e5a64acaf..c25a372f6820 100644
--- a/drivers/i3c/master/svc-i3c-master.c
+++ b/drivers/i3c/master/svc-i3c-master.c
@@ -1381,8 +1381,6 @@ static int svc_i3c_master_probe(struct platform_device *pdev)
 
 	master->dev = dev;
 
-	svc_i3c_master_reset(master);
-
 	ret = clk_prepare_enable(master->pclk);
 	if (ret)
 		return ret;
@@ -1419,6 +1417,8 @@ static int svc_i3c_master_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, master);
 
+	svc_i3c_master_reset(master);
+
 	/* Register the master */
 	ret = i3c_master_register(&master->base, &pdev->dev,
 				  &svc_i3c_master_ops, false);
-- 
2.25.1