From d1ca61ca7e7be080374c1d7e882c4d8aa7d7b70f Mon Sep 17 00:00:00 2001 From: Paul Barker Date: Fri, 1 Sep 2023 15:28:59 +0100 Subject: [PATCH] env: Improve ENV_OFFSET help message When reading Kconfig help messages to understand ENV_OFFSET and ENV_OFFSET_REDUND, developers may not realise that they need to also look at the chosen ENV_IS_IN_* options to see how the offsets will be interpreted. Signed-off-by: Paul Barker Reviewed-by: Simon Glass --- env/Kconfig | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/env/Kconfig b/env/Kconfig index 67b819d47a..f5f0969233 100644 --- a/env/Kconfig +++ b/env/Kconfig @@ -576,7 +576,12 @@ config ENV_OFFSET default 0x260000 if ARCH_OMAP2PLUS default 0x1080000 if MICROBLAZE && ENV_IS_IN_SPI_FLASH help - Offset from the start of the device (or partition) + Offset from the start of the device (or partition). + + This offset may be interpreted differently depending on the chosen + ENV_IS_IN_* options. For example, for ENV_IS_IN_MMC=y, this offset may + be negative to indicate an offset backwards from the end of the + partition. See the relevant help messages for more details. config ENV_OFFSET_REDUND hex "Redundant environment offset" @@ -588,6 +593,11 @@ config ENV_OFFSET_REDUND Offset from the start of the device (or partition) of the redundant environment location. + This offset may be interpreted differently depending on the chosen + ENV_IS_IN_* options. For example, for ENV_IS_IN_MMC=y, this offset may + be negative to indicate an offset backwards from the end of the + partition. See the relevant help messages for more details. + config ENV_SIZE hex "Environment Size" default 0x40000 if ENV_IS_IN_SPI_FLASH && ARCH_ZYNQMP