From mboxrd@z Thu Jan 1 00:00:00 1970 From: mingo@kernel.org (Ingo Molnar) Date: Tue, 12 Dec 2017 11:41:14 +0100 Subject: [PATCH v2 2/2] acpi, x86: Use SPCR table for earlycon on x86 In-Reply-To: <20171211155059.17062-3-prarit@redhat.com> References: <20171211155059.17062-1-prarit@redhat.com> <20171211155059.17062-3-prarit@redhat.com> Message-ID: <20171212104114.nddfrykzhezmngnl@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org * Prarit Bhargava wrote: > The ACPI SPCR code has been used to define an earlycon console for ARM64 > and can be used for x86. > > Modify the ACPI SPCR parsing code to account for console behaviour > differences between ARM64 and x86. Initialize the SPCR code from > x86 ACPI initialization code. > > Signed-off-by: Prarit Bhargava > Cc: linux-doc at vger.kernel.org > Cc: linux-kernel at vger.kernel.org > Cc: linux-arm-kernel at lists.infradead.org > Cc: linux-pm at vger.kernel.org > Cc: linux-acpi at vger.kernel.org > Cc: linux-serial at vger.kernel.org > Cc: Bhupesh Sharma > Cc: Lv Zheng > Cc: Thomas Gleixner > Cc: Ingo Molnar > Cc: "H. Peter Anvin" > Cc: x86 at kernel.org > Cc: Jonathan Corbet > Cc: Catalin Marinas > Cc: Will Deacon > Cc: "Rafael J. Wysocki" > Cc: Timur Tabi > --- > Documentation/admin-guide/kernel-parameters.txt | 3 +++ > arch/arm64/kernel/acpi.c | 2 +- > arch/x86/kernel/acpi/boot.c | 4 ++++ > drivers/acpi/Kconfig | 2 +- > drivers/acpi/spcr.c | 7 +++++-- > include/linux/acpi.h | 7 +++++-- > 6 files changed, 19 insertions(+), 6 deletions(-) LGTM from an x86 perspective: Acked-by: Ingo Molnar (assuming it causes no regressions in linux-next.) Since patch #1 affects ARM64 significantly, once that patch is acceptable to the arm64 folks feel free to upstream this second patch via the ARM64 tree as well. Thanks, Ingo