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i3c: master: svc: fix check wrong status register in irq handler
author
Frank Li
<Frank.Li@nxp.com>
Mon, 23 Oct 2023 16:16:56 +0000
(12:16 -0400)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Tue, 28 Nov 2023 17:20:06 +0000
(17:20 +0000)
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>
drivers/i3c/master/svc-i3c-master.c
patch
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diff --git
a/drivers/i3c/master/svc-i3c-master.c
b/drivers/i3c/master/svc-i3c-master.c
index
1926ba0
..
23805db
100644
(file)
--- 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_M
INTMASKED
);
+ u32 active = readl(master->regs + SVC_I3C_M
STATUS
);
if (!SVC_I3C_MSTATUS_SLVSTART(active))
return IRQ_NONE;