From mboxrd@z Thu Jan 1 00:00:00 1970 From: horia.geanta@freescale.com (=?UTF-8?Q?Horia_Geant=c4=83?=) Date: Fri, 28 Aug 2015 11:50:29 +0300 Subject: [PATCH v3] ARM: configs: Add Freescale LS1021A defconfig In-Reply-To: References: <1438941784-38403-1-git-send-email-b18965@freescale.com> <55CB4829.40204@freescale.com> <55CE1FFE.2080200@freescale.com> <55D6073C.1020000@freescale.com> Message-ID: <55E020D5.4090201@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 8/28/2015 11:04 AM, Wang Huan-B18965 wrote: > Hi, Horia, > >> On 8/17/2015 6:42 AM, Wang Huan-B18965 wrote: >>> Hi, Fabio, >> >> Please don't top post. >> >>> >>> Based on the analysis and discussion, we prefer to use >> ls1021a_defconfig and remove LS1021A from imx_v6_v7_defconfig. >> >> Alison, when you submit v4 for this patch (adding >> CONFIG_ARCH_DMA_ADDR_T_64BIT=y as suggested), could you also send a >> patch removing CONFIG_SOC_LS1021A from imx_v6_v7_config? > [Alison Wang] I don?t know CONFIG_ARCH_DMA_ADDR_T_64BIT=y is suggested. > Could you help to explain the suggestion? Please see http://lists.infradead.org/pipermail/linux-arm-kernel/2011-November/072446.html Instead of having CONFIG_ARCH_DMA_ADDR_T_64BIT=y in the defconfig, I guess selecting it from Kconfig makes more sense: diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 573536f1bb73..bb417e73af0f 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -563,6 +563,7 @@ config SOC_LS1021A select HAVE_ARM_ARCH_TIMER select PCI_DOMAINS if PCI select ZONE_DMA if ARM_LPAE + select ARCH_DMA_ADDR_T_64BIT help This enables support for Freescale LS1021A processor. Horia