Re: [PATCH v3 05/17] arm: Convert to GENERIC_CMDLINE

From: Christophe Leroy
Date: Fri Mar 26 2021 - 11:51:06 EST




Le 26/03/2021 à 16:47, Rob Herring a écrit :
On Fri, Mar 26, 2021 at 7:44 AM Christophe Leroy
<christophe.leroy@xxxxxxxxxx> wrote:

This converts the architecture to GENERIC_CMDLINE.

Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
---
arch/arm/Kconfig | 38 +----------------------------------
arch/arm/kernel/atags_parse.c | 15 +++++---------
2 files changed, 6 insertions(+), 47 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 5da96f5df48f..67bc75f2da81 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -50,6 +50,7 @@ config ARM
select GENERIC_ARCH_TOPOLOGY if ARM_CPU_TOPOLOGY
select GENERIC_ATOMIC64 if CPU_V7M || CPU_V6 || !CPU_32v6K || !AEABI
select GENERIC_CLOCKEVENTS_BROADCAST if SMP
+ select GENERIC_CMDLINE if ATAGS

Don't we need this enabled for !ATAGS (i.e. DT boot)?

Can we always enable GENERIC_CMDLINE for OF_EARLY_FLATTREE?


Don't know.

Today ARM has:

choice
prompt "Kernel command line type" if CMDLINE != ""
default CMDLINE_FROM_BOOTLOADER
depends on ATAGS



Christophe