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From: Sherry Sun <sherry.sun@nxp.com>
To: Michal Simek <michal.simek@xilinx.com>,
	"bp@alien8.de" <bp@alien8.de>,
	"mchehab@kernel.org" <mchehab@kernel.org>,
	"tony.luck@intel.com" <tony.luck@intel.com>,
	"james.morse@arm.com" <james.morse@arm.com>,
	"rric@kernel.org" <rric@kernel.org>
Cc: "linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	dl-linux-imx <linux-imx@nxp.com>
Subject: RE: [PATCH 2/2] EDAC: synopsys: re-enable the interrupts in intr_handler for V3.X Synopsys EDAC DDR
Date: Wed, 20 Apr 2022 06:23:59 +0000	[thread overview]
Message-ID: <AS8PR04MB840489588D0DA46B8FFECFFF92F59@AS8PR04MB8404.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <ab18f598-d4f5-049c-66f3-3ce2d5c01670@xilinx.com>


> > Since zynqmp_get_error_info() is called during CE/UE interrupt, at the
> > end of zynqmp_get_error_info(), it wirtes 0 to ECC_CLR_OFST, which cause
> > the CE/UE interrupts of V3.X Synopsys EDAC DDR been disabled, then the
> > interrupt handler will be called only once, so need to re-enable the
> > interrupts at the end of intr_handler for V3.X Synopsys EDAC DDR.
> >
> > Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
> > ---
> >   drivers/edac/synopsys_edac.c | 4 ++++
> >   1 file changed, 4 insertions(+)
> >
> > diff --git a/drivers/edac/synopsys_edac.c b/drivers/edac/synopsys_edac.c
> > index 1b630f0be119..3a1db34a8546 100644
> > --- a/drivers/edac/synopsys_edac.c
> > +++ b/drivers/edac/synopsys_edac.c
> > @@ -521,6 +521,8 @@ static void handle_error(struct mem_ctl_info *mci,
> struct synps_ecc_status *p)
> >   	memset(p, 0, sizeof(*p));
> >   }
> >
> > +static void enable_intr(struct synps_edac_priv *priv);
> > +
> >   /**
> >    * intr_handler - Interrupt Handler for ECC interrupts.
> >    * @irq:        IRQ number.
> > @@ -562,6 +564,8 @@ static irqreturn_t intr_handler(int irq, void *dev_id)
> >   	/* v3.0 of the controller does not have this register */
> >   	if (!(priv->p_data->quirks & DDR_ECC_INTR_SELF_CLEAR))
> >   		writel(regval, priv->baseaddr + DDR_QOS_IRQ_STAT_OFST);
> > +	else
> > +		enable_intr(priv);
> 
> nit: newline here would be good.

Hi Michal, thanks for your comments, I will add the newline here in V2.

Best regards
Sherry
> 
> >   	return IRQ_HANDLED;
> >   }
> >
> 
> Acked-by: Michal Simek <michal.simek@xilinx.com>
> 
> Thanks,
> Michal

  reply	other threads:[~2022-04-20  6:24 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-18 11:17 [PATCH 0/2] fix some bugs in V3.X Synopsys EDAC DDR driver Sherry Sun
2022-03-18 11:17 ` [PATCH 1/2] EDAC: synopsys: Add disable_intr support for V3.X Synopsys EDAC DDR Sherry Sun
2022-04-20  5:56   ` Michal Simek
2022-03-18 11:17 ` [PATCH 2/2] EDAC: synopsys: re-enable the interrupts in intr_handler " Sherry Sun
2022-04-20  5:57   ` Michal Simek
2022-04-20  6:23     ` Sherry Sun [this message]
2022-03-18 11:30 ` [PATCH 0/2] fix some bugs in V3.X Synopsys EDAC DDR driver Michal Simek
2022-04-19 15:34   ` Shubhrajyoti Datta
2022-03-25  1:28 ` Sherry Sun
2022-04-18  2:27 ` Sherry Sun
2022-04-18  8:34   ` Borislav Petkov
2022-04-18 10:12     ` Sherry Sun
2022-04-18 10:20       ` Borislav Petkov
2022-04-18 10:26         ` Sherry Sun

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