From mboxrd@z Thu Jan 1 00:00:00 1970 From: yi.li@linaro.org (Yi Li) Date: Sat, 7 Sep 2013 00:02:51 +0800 Subject: [PATCH] ARM:DMI: Add dmi driver support on arm In-Reply-To: <1378483371-19858-1-git-send-email-yi.li@linaro.org> References: <1378483371-19858-1-git-send-email-yi.li@linaro.org> Message-ID: <1378483371-19858-2-git-send-email-yi.li@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: liyi Add dmi driver support on arm, it depends on efi runtime service enabled. Signed-off-by: liyi --- arch/arm/Kconfig | 9 +++++++++ arch/arm/include/asm/dmi.h | 12 ++++++++++++ arch/arm/kernel/setup.c | 7 ++++++- 3 files changed, 27 insertions(+), 1 deletion(-) create mode 100644 arch/arm/include/asm/dmi.h diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index e8daccd..02abb1d 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1946,6 +1946,15 @@ config EFI_STUB executed directly by EFI firmware. See Documentation/efi-stub.txt for more information. +config DMI + default y + bool "Enable DMI scanning" if EXPERT + ---help--- + Enabled scanning of DMI to identify machine quirks. Say Y + here unless you have verified that your setup is not + affected by entries in the DMI blacklist. Required by EFI + support. + config SECCOMP bool prompt "Enable seccomp to safely compute untrusted bytecode" diff --git a/arch/arm/include/asm/dmi.h b/arch/arm/include/asm/dmi.h new file mode 100644 index 0000000..84baf0e --- /dev/null +++ b/arch/arm/include/asm/dmi.h @@ -0,0 +1,12 @@ +#ifndef _ASM_DMI_H +#define _ASM_DMI_H 1 + +#include +#include +#include +/* Use normal IO mappings for DMI */ +#define dmi_ioremap(x, l) __arm_ioremap((x), (l), MT_MEMORY) +#define dmi_iounmap(x, l) __arm_iounmap((x)) +#define dmi_alloc(l) kmalloc(l, GFP_ATOMIC) + +#endif diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index a440211..2194554 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -34,13 +34,15 @@ #ifdef CONFIG_ACPI #include #endif +#ifdef CONFIG_DMI +#include +#endif #include #include #include #include #include -#include #include #include #include @@ -1073,3 +1075,6 @@ const struct seq_operations cpuinfo_op = { .stop = c_stop, .show = c_show }; +#ifdef CONFIG_DMI + core_initcall(dmi_scan_machine); +#endif -- 1.7.9.5