Commit-ID: d7959916026aaae60e1878ae33c7503b2cc4471d Gitweb: http://git.kernel.org/tip/d7959916026aaae60e1878ae33c7503b2cc4471d Author: Maxime Bizon <mbizon@xxxxxxxxxx> AuthorDate: Mon, 29 Oct 2012 14:40:19 +0100 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Tue, 30 Oct 2012 10:16:46 +0100 x86/ce4100: Fix reboot by forcing the reboot method to be KBD The default reboot is via ACPI for this platform, and the CEFDK bootloader actually supports this, but will issue a system power off instead of a real reboot. Setting the reboot method to be KBD instead of ACPI ensures proper system reboot. Acked-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Signed-off-by: Maxime Bizon <mbizon@xxxxxxxxxx> Signed-off-by: Florian Fainelli <ffainelli@xxxxxxxxxx> Cc: rui.zhang@xxxxxxxxx Cc: alan@xxxxxxxxxxxxxxx Link: http://lkml.kernel.org/r/1351518020-25556-3-git-send-email-ffainelli@xxxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- arch/x86/platform/ce4100/ce4100.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c index 5de16e3..92525cb 100644 --- a/arch/x86/platform/ce4100/ce4100.c +++ b/arch/x86/platform/ce4100/ce4100.c @@ -21,6 +21,7 @@ #include <asm/i8259.h> #include <asm/io.h> #include <asm/io_apic.h> +#include <asm/emergency-restart.h> static int ce4100_i8042_detect(void) { @@ -151,6 +152,15 @@ void __init x86_ce4100_early_setup(void) x86_init.mpparse.find_smp_config = x86_init_noop; x86_init.pci.init = ce4100_pci_init; + /* + * By default, the reboot method is ACPI which is supported by the + * CE4100 bootloader CEFDK using FADT.ResetReg Address and ResetValue + * the bootloader will however issue a system power off instead of + * reboot. By using BOOT_KBD we ensure proper system reboot as + * expected. + */ + reboot_type = BOOT_KBD; + #ifdef CONFIG_X86_IO_APIC x86_init.pci.init_irq = sdv_pci_init; x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc_nocheck; -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html