[U-Boot] [v3, 1/2] armv7: ls102xa: add errata ID A-008646 for workaround

[Priyanka Jain]

>-----Original Message-----
>From: Biwen Li <biwen.li at nxp.com>
>Sent: Wednesday, September 25, 2019 4:11 PM
>To: albert.u.boot at aribaud.net; Prabhakar X
><prabhakar.kushwaha at nxp.com>; Rajesh Bhagat <rajesh.bhagat at nxp.com>;
>Priyanka Jain <priyanka.jain at nxp.com>; Ran Wang <ran.wang_1 at nxp.com>;
>Leo Li <leoyang.li at nxp.com>; Jagdish Gediya <jagdish.gediya at nxp.com>
>Cc: u-boot at lists.denx.de; Biwen Li <biwen.li at nxp.com>
>Subject: [v3,1/2] armv7: ls102xa: add errata ID A-008646 for workaround
>
>The patch adds an errata ID A-008646 for workaround to provide more
>information by ID.
>
>Signed-off-by: Biwen Li <biwen.li at nxp.com>
>---
>Change in v3:
>	- adjust code style
>
>Change in v2:
>	- update subject and description
>
> arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
>diff --git a/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
>b/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
>index bb169aaaf4..afa4fd7a48 100644
>--- a/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
>+++ b/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
>@@ -68,9 +68,10 @@ static void __secure ls1_deepsleep_irq_cfg(void)
>
> 	ippdexpcr0 = in_be32(&rcpm->ippdexpcr0);
> 	/*
>-	 * Workaround: There is bug of register ippdexpcr1, when read it
>always
>-	 * returns zero, so its value is saved to a scrachpad register to be
>-	 * read, that is why we don't read it from register ippdexpcr1 itself.
>+	 * Workaround of errata A-008646: There is bug of register
>ippdexpcr1,
>+	 * when read it always returns zero, so its value is saved to a
>+	 * scrachpad register to be read, that is why we don't read it from
>+	 * register ippdexpcr1 itself.
> 	 */
> 	ippdexpcr1 = in_le32(&scfg->sparecr[7]);
> 	out_be32(&rcpm->ippdexpcr1, ippdexpcr1);
>--
>2.17.1

Added errata word in description.
Applied to fsl-qoriq master, awaiting upstream.

Thanks
priyankajain