linux-kernel - [PATCH v2 7/7] powerpc: use generic CMDLINE manipulations

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Message-Id: <c9b9d577fd345836a5060fb2208813cddd67a6af.1614705851.git.christophe.leroy@csgroup.eu>
Date:   Tue,  2 Mar 2021 17:25:23 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>, danielwa@...co.com,
        robh@...nel.org, daniel@...pelevich.san-francisco.ca.us
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-arch@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH v2 7/7] powerpc: use generic CMDLINE manipulations

This patch moves powerpc to the centraly defined CMDLINE options.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/Kconfig | 43 +++----------------------------------------
 1 file changed, 3 insertions(+), 40 deletions(-)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 0ab406f14513..0e1736a2a621 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -195,6 +195,7 @@ config PPC
 	select HAVE_CBPF_JIT			if !PPC64
 	select HAVE_STACKPROTECTOR		if PPC64 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r13)
 	select HAVE_STACKPROTECTOR		if PPC32 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r2)
+	select HAVE_CMDLINE
 	select HAVE_CONTEXT_TRACKING		if PPC64
 	select HAVE_DEBUG_KMEMLEAK
 	select HAVE_DEBUG_STACKOVERFLOW
@@ -886,47 +887,9 @@ config PPC_DENORMALISATION
 	  Add support for handling denormalisation of single precision
 	  values.  Useful for bare metal only.  If unsure say Y here.
 
-config CMDLINE
-	string "Initial kernel command string"
+config DEFAULT_CMDLINE
+	string
 	default ""
-	help
-	  On some platforms, there is currently no way for the boot loader to
-	  pass arguments to the kernel. For these platforms, you can supply
-	  some command-line options at build time by entering them here.  In
-	  most cases you will need to specify the root device here.
-
-choice
-	prompt "Kernel command line type" if CMDLINE != ""
-	default CMDLINE_FROM_BOOTLOADER
-
-config CMDLINE_FROM_BOOTLOADER
-	bool "Use bootloader kernel arguments if available"
-	help
-	  Uses the command-line options passed by the boot loader. If
-	  the boot loader doesn't provide any, the default kernel command
-	  string provided in CMDLINE will be used.
-
-config CMDLINE_EXTEND
-	bool "Extend bootloader kernel arguments"
-	help
-	  The command-line arguments provided by the boot loader will be
-	  appended to the default kernel command string.
-
-config CMDLINE_PREPEND
-	bool "Prepend bootloader kernel arguments"
-	help
-	  The default kernel command string will be prepend to the
-	  command-line arguments provided during boot.
-
-config CMDLINE_FORCE
-	bool "Always use the default kernel command string"
-	help
-	  Always use the default kernel command string, even if the boot
-	  loader passes other arguments to the kernel.
-	  This is useful if you cannot or don't want to change the
-	  command-line options your boot loader passes to the kernel.
-
-endchoice
 
 config EXTRA_TARGETS
 	string "Additional default image types"
-- 
2.25.0