From: Matt Fleming <matt@console-pimps.org>
To: Leif Lindholm <leif.lindholm@linaro.org>
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-efi@vger.kernel.org,
patches@linaro.org, Mark Salter <msalter@redhat.com>
Subject: Re: [PATCH 03/22] efi: add helper function to get UEFI params from FDT
Date: Thu, 13 Feb 2014 11:17:02 +0000 [thread overview]
Message-ID: <20140213111637.GE20717@console-pimps.org> (raw)
In-Reply-To: <1391619853-10601-4-git-send-email-leif.lindholm@linaro.org>
On Wed, 05 Feb, at 05:03:54PM, Leif Lindholm wrote:
> From: Mark Salter <msalter@redhat.com>
>
> ARM and ARM64 architectures use the device tree to pass UEFI parameters
> from stub to kernel. These parameters are things known to the stub but
> not discoverable by the kernel after the stub calls ExitBootSerives().
> There is a helper function in:
>
> drivers/firmware/efi/fdt.c
>
> which the stub uses to add the UEFI parameters to the device tree.
> This patch adds a complimentary helper function which UEFI runtime
> support may use to retrieve the parameters from the device tree.
> If an architecture wants to use this helper, it should select
> CONFIG_UEFI_PARAMS_FROM_FDT.
>
> Signed-off-by: Mark Salter <msalter@redhat.com>
> Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
> ---
> drivers/firmware/efi/Kconfig | 7 ++++
> drivers/firmware/efi/efi.c | 79 ++++++++++++++++++++++++++++++++++++++++++
> include/linux/efi.h | 9 +++++
> 3 files changed, 95 insertions(+)
Is there a particular reason this change is being added to
drivers/firmware/efi/efi.c and not drivers/firmware/efi/fdt.c?
--
Matt Fleming, Intel Open Source Technology Center
next prev parent reply other threads:[~2014-02-13 11:17 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-05 17:03 [PATCH 00/22] arm/arm64: UEFI stubs + runtime services Leif Lindholm
2014-02-05 17:03 ` [PATCH 01/22] arm: break part of __soft_restart out into separate function Leif Lindholm
2014-02-05 17:03 ` [PATCH 02/22] arm: add new asm macro update_sctlr Leif Lindholm
2014-02-05 18:01 ` Will Deacon
2014-02-05 17:03 ` [PATCH 03/22] efi: add helper function to get UEFI params from FDT Leif Lindholm
2014-02-13 11:17 ` Matt Fleming [this message]
2014-02-13 14:56 ` Mark Salter
2014-02-05 17:03 ` [PATCH 04/22] efi-stub.txt updates for ARM Leif Lindholm
2014-02-05 17:03 ` [PATCH 05/22] Add shared printk wrapper for consistent prefixing Leif Lindholm
2014-02-05 17:34 ` Joe Perches
2014-02-05 17:03 ` [PATCH 06/22] Add helper functions used by arm/arm64 Leif Lindholm
2014-02-13 11:26 ` Matt Fleming
2014-02-14 19:02 ` Roy Franz
2014-03-03 14:08 ` Matt Fleming
2014-03-04 7:48 ` Roy Franz
2014-02-05 17:03 ` [PATCH 07/22] Add shared FDT related functions for ARM/ARM64 Leif Lindholm
2014-02-05 17:03 ` [PATCH 08/22] Add strstr to compressed string.c for ARM Leif Lindholm
2014-02-05 17:04 ` [PATCH 09/22] Add shared arm/arm64 EFI stub Leif Lindholm
2014-02-05 17:04 ` [PATCH 10/22] Add EFI stub for ARM Leif Lindholm
2014-02-05 17:04 ` [PATCH 11/22] Disable stack protection for decompressor/stub Leif Lindholm
2014-02-05 17:04 ` [PATCH 12/22] Documentation: arm: add UEFI support documentation Leif Lindholm
2014-02-05 17:04 ` [PATCH 13/22] arm: Add [U]EFI runtime services support Leif Lindholm
2014-02-05 17:04 ` [PATCH 14/22] init: efi: arm: enable (U)EFI runtime services on arm Leif Lindholm
2014-02-05 17:04 ` [PATCH 15/22] lib: add fdt_empty_tree.c Leif Lindholm
2014-02-05 17:04 ` [PATCH 16/22] arm64: Add function to create identity mappings Leif Lindholm
2014-02-14 17:42 ` Catalin Marinas
2014-02-17 13:29 ` Mark Salter
2014-02-05 17:04 ` [PATCH 17/22] arm64: add EFI stub Leif Lindholm
2014-02-05 17:04 ` [PATCH 18/22] doc: arm64: add description of EFI stub support Leif Lindholm
2014-02-05 17:04 ` [PATCH 19/22] arm64: add EFI runtime services Leif Lindholm
2014-02-05 17:04 ` [PATCH 20/22] Improve cmdline conversion Leif Lindholm
2014-02-05 17:04 ` [PATCH 21/22] arm: efistub: ignore dtb= when UEFI SecureBoot is enabled Leif Lindholm
2014-02-05 18:09 ` Ard Biesheuvel
2014-02-05 17:04 ` [PATCH 22/22] arm: update boot/compressed/.gitignore Leif Lindholm
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