linux-kernel - [PATCH] microblaze: Kernel parameters should be parsed earlier

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Message-Id: <a0f1570686e4cb99025d0c0b571f07a84d6467d9.1579004658.git.michal.simek@xilinx.com>
Date:   Tue, 14 Jan 2020 13:24:20 +0100
From:   Michal Simek <michal.simek@...inx.com>
To:     linux-kernel@...r.kernel.org, monstr@...str.eu,
        michal.simek@...inx.com, git@...inx.com
Subject: [PATCH] microblaze: Kernel parameters should be parsed earlier

Kernel command line should be parsed before mmu_init is called to be able
to get for example cma sizes from command line. That's why call
parse_early_param() earlier in machine_early_init().

Signed-off-by: Michal Simek <michal.simek@...inx.com>
---

 arch/microblaze/kernel/setup.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c
index effed14eee06..34a082b17a01 100644
--- a/arch/microblaze/kernel/setup.c
+++ b/arch/microblaze/kernel/setup.c
@@ -54,7 +54,6 @@ void __init setup_arch(char **cmdline_p)
 	*cmdline_p = boot_command_line;
 
 	setup_memory();
-	parse_early_param();
 
 	console_verbose();
 
@@ -177,6 +176,8 @@ void __init machine_early_init(const char *cmdline, unsigned int ram,
 	/* Initialize global data */
 	per_cpu(KM, 0) = 0x1;	/* We start in kernel mode */
 	per_cpu(CURRENT_SAVE, 0) = (unsigned long)current;
+
+	parse_early_param();
 }
 
 void __init time_init(void)
-- 
2.24.0