From: Frank Li <Frank.Li@nxp.com>
Date: Mon, 23 Oct 2023 16:16:56 +0000 (-0400)
Subject: i3c: master: svc: fix check wrong status register in irq handler
X-Git-Tag: v6.6.7~636
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ac33f259748461ea8c48c5f32b4ea626021eccc0;p=platform%2Fkernel%2Flinux-starfive.git

i3c: master: svc: fix check wrong status register in irq handler

commit 225d5ef048c4ed01a475c95d94833bd7dd61072d upstream.

svc_i3c_master_irq_handler() wrongly checks register SVC_I3C_MINTMASKED. It
should be SVC_I3C_MSTATUS.

Fixes: dd3c52846d59 ("i3c: master: svc: Add Silvaco I3C master driver")
Cc:  <stable@vger.kernel.org>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20231023161658.3890811-5-Frank.Li@nxp.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c
index 1926ba0..23805db 100644
--- a/drivers/i3c/master/svc-i3c-master.c
+++ b/drivers/i3c/master/svc-i3c-master.c
@@ -477,7 +477,7 @@ reenable_ibis:
 static irqreturn_t svc_i3c_master_irq_handler(int irq, void *dev_id)
 {
 	struct svc_i3c_master *master = (struct svc_i3c_master *)dev_id;
-	u32 active = readl(master->regs + SVC_I3C_MINTMASKED);
+	u32 active = readl(master->regs + SVC_I3C_MSTATUS);
 
 	if (!SVC_I3C_MSTATUS_SLVSTART(active))
 		return IRQ_NONE;