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authorPrarit Bhargava <prarit@redhat.com>2018-01-18 18:09:51 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-02-07 13:39:58 +0300
commit0231d00082f61cfe03f2b7c27e5356f8cdf0312c (patch)
tree24f036cb972640ccdeed395a55d1c37571fcb3db /block/bfq-iosched.h
parent890674343bb2d546825f713542b1e199f0728732 (diff)
downloadlinux-0231d00082f61cfe03f2b7c27e5356f8cdf0312c.tar.xz
ACPI: SPCR: Make SPCR available to x86
SPCR is currently only enabled or ARM64 and x86 can use SPCR to setup an early console. General fixes include updating Documentation & Kconfig (for x86), updating comments, and changing parse_spcr() to acpi_parse_spcr(), and earlycon_init_is_deferred to earlycon_acpi_spcr_enable to be more descriptive. On x86, many systems have a valid SPCR table but the table version is not 2 so the table version check must be a warning. On ARM64 when the kernel parameter earlycon is used both the early console and console are enabled. On x86, only the earlycon should be enabled by by default. Modify acpi_parse_spcr() to allow options for initializing the early console and console separately. Signed-off-by: Prarit Bhargava <prarit@redhat.com> Acked-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Mark Salter <msalter@redhat.com> Tested-by: Mark Salter <msalter@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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