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From: Clark Wang <xiaoning.wang@nxp.com>
To: miquel.raynal@bootlin.com, conor.culhane@silvaco.com,
	alexandre.belloni@bootlin.com, vitor.soares@synopsys.com,
	boris.brezillon@bootlin.com
Cc: linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org,
	xiaoning.wang@nxp.com
Subject: [PATCH 1/4] i3c: master: svc: move module reset behind clk enable
Date: Thu, 15 Jul 2021 16:24:10 +0800	[thread overview]
Message-ID: <20210715082413.3042149-2-xiaoning.wang@nxp.com> (raw)
In-Reply-To: <20210715082413.3042149-1-xiaoning.wang@nxp.com>

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

Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
---
 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


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  reply	other threads:[~2021-07-15  8:23 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-15  8:24 [PATCH 0/4] i3c: master: svc: some bug fixes Clark Wang
2021-07-15  8:24 ` Clark Wang [this message]
2021-07-15 22:51   ` [PATCH 1/4] i3c: master: svc: move module reset behind clk enable Miquel Raynal
2021-07-15  8:24 ` [PATCH 2/4] i3c: master: svc: fix atomic issue Clark Wang
2021-07-15 22:52   ` Miquel Raynal
2021-07-16  1:58     ` Clark Wang
2021-07-15  8:24 ` [PATCH 3/4] i3c: master: svc: add support for slave to stop returning data Clark Wang
2021-07-15 22:55   ` Miquel Raynal
2021-07-16  1:53     ` Clark Wang
2021-07-15  8:24 ` [PATCH 4/4] i3c: master: svc: set ODSTOP to let I2C device see the STOP signal Clark Wang
2021-07-15 22:57   ` Miquel Raynal
2021-07-16  7:51 ` [PATCH 0/4] i3c: master: svc: some bug fixes Miquel Raynal
2021-07-16  8:07   ` Clark Wang

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