From 9bc1ec59bd8db07e41067717aeea2749314ec801 Mon Sep 17 00:00:00 2001 From: Phil Elwell Date: Thu, 5 May 2022 12:16:57 +0100 Subject: [PATCH] configs: Enable DM_WRITECACHE module on BCM2711 For Pi 4 (which has high speed USB and PCIe), enable DM_WRITECACHE as a module to allow an external SSD to be used as a fast write cache for a slower storage device. See: https://github.com/raspberrypi/linux/issues/5020 Signed-off-by: Phil Elwell --- arch/arm/configs/bcm2711_defconfig | 1 + arch/arm64/configs/bcm2711_defconfig | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/arm/configs/bcm2711_defconfig b/arch/arm/configs/bcm2711_defconfig index 81b9b98..c6d09b1 100644 --- a/arch/arm/configs/bcm2711_defconfig +++ b/arch/arm/configs/bcm2711_defconfig @@ -491,6 +491,7 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_THIN_PROVISIONING=m CONFIG_DM_CACHE=m +CONFIG_DM_WRITECACHE=m CONFIG_DM_MIRROR=m CONFIG_DM_LOG_USERSPACE=m CONFIG_DM_RAID=m diff --git a/arch/arm64/configs/bcm2711_defconfig b/arch/arm64/configs/bcm2711_defconfig index f763b3f..1188bdc 100644 --- a/arch/arm64/configs/bcm2711_defconfig +++ b/arch/arm64/configs/bcm2711_defconfig @@ -489,6 +489,7 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_THIN_PROVISIONING=m CONFIG_DM_CACHE=m +CONFIG_DM_WRITECACHE=m CONFIG_DM_MIRROR=m CONFIG_DM_LOG_USERSPACE=m CONFIG_DM_RAID=m -- 2.7.4