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Date: Wed, 12 Aug 2020 02:15:03 +0200 From: Paul Cercueil <paul@...pouillou.net> To: Thomas Bogendoerfer <tsbogend@...ha.franken.de> Cc: Paul Burton <paulburton@...nel.org>, Krzysztof Kozlowski <krzk@...nel.org>, 周琰杰 <zhouyanjie@...yeetech.com>, od@...c.me, linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org, Paul Cercueil <paul@...pouillou.net> Subject: [PATCH v2 06/13] MIPS: generic: Init command line with fw_init_cmdline() The function bootcmdline_init() in arch/mips/kernel/setup.c will populate the boot_command_line string using the parameters hardcoded in the kernel, and those provided in the devicetree file. Then, it would append the content of the arcs_cmdline variable, which is filled by the board's plat_mem_setup() function. The plat_mem_setup() function for the generic MIPS board would just copy the current boot_command_line to arcs_cmdline, which is nonsense for two reasons: - the result will be appended to the boot_command_line anyway, so all it does is duplicate every single parameter on the command line; - the code did not perform at all what it's supposed to, which is to retrieve the parameters passed by the bootloader. Fix this by calling fw_init_cmdline() in plat_mem_setup(), which will properly initialize arcs_cmdline to the parameters passed by the bootloader. Signed-off-by: Paul Cercueil <paul@...pouillou.net> --- Notes: v2: New patch arch/mips/generic/init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/generic/init.c b/arch/mips/generic/init.c index 805d0135a9f4..029f47ea390c 100644 --- a/arch/mips/generic/init.c +++ b/arch/mips/generic/init.c @@ -106,7 +106,7 @@ void __init plat_mem_setup(void) if (mach && mach->fixup_fdt) fdt = mach->fixup_fdt(fdt, mach_match_data); - strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE); + fw_init_cmdline(); __dt_setup_arch((void *)fdt); } -- 2.28.0
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