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| author | Prarit Bhargava <prarit@sgi.com> | 2005-07-06 15:29:13 -0700 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2005-07-06 15:29:13 -0700 |
| commit | 283c7f6ac6adb57e7dd13cdbc8d60b6ea4de6faf (patch) | |
| tree | 53ce99a2373134c174f8df4f3729fcb4f11fb44e /arch/ia64/sn/kernel | |
| parent | e07d01e0aeba905aeca6e0ae612943417d396a0f (diff) | |
| download | kernel_samsung_smdk4412-283c7f6ac6adb57e7dd13cdbc8d60b6ea4de6faf.tar.gz kernel_samsung_smdk4412-283c7f6ac6adb57e7dd13cdbc8d60b6ea4de6faf.tar.bz2 kernel_samsung_smdk4412-283c7f6ac6adb57e7dd13cdbc8d60b6ea4de6faf.zip | |
[IA64] hotplug/ia64: SN Hotplug Driver - new SN PROM version code
This patch is a rewrite of the code to check the PROM version. The current
code has some deficiences in the way PROM comparisons were made. The minimum
value of PROM that will boot has also been changed to 4.04.
Signed-off-by: Prarit Bhargava <prarit@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/sn/kernel')
| -rw-r--r-- | arch/ia64/sn/kernel/setup.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c index 22e10d282c7..7c7fe441d62 100644 --- a/arch/ia64/sn/kernel/setup.c +++ b/arch/ia64/sn/kernel/setup.c @@ -270,7 +270,7 @@ void __init sn_setup(char **cmdline_p) { long status, ticks_per_sec, drift; int pxm; - int major = sn_sal_rev_major(), minor = sn_sal_rev_minor(); + u32 version = sn_sal_rev(); extern void sn_cpu_init(void); ia64_sn_plat_set_error_handling_features(); @@ -308,22 +308,21 @@ void __init sn_setup(char **cmdline_p) * support here so we don't have to listen to failed keyboard probe * messages. */ - if ((major < 2 || (major == 2 && minor <= 9)) && - acpi_kbd_controller_present) { + if (version <= 0x0209 && acpi_kbd_controller_present) { printk(KERN_INFO "Disabling legacy keyboard support as prom " "is too old and doesn't provide FADT\n"); acpi_kbd_controller_present = 0; } - printk("SGI SAL version %x.%02x\n", major, minor); + printk("SGI SAL version %x.%02x\n", version >> 8, version & 0x00FF); /* * Confirm the SAL we're running on is recent enough... */ - if ((major < SN_SAL_MIN_MAJOR) || (major == SN_SAL_MIN_MAJOR && - minor < SN_SAL_MIN_MINOR)) { + if (version < SN_SAL_MIN_VERSION) { printk(KERN_ERR "This kernel needs SGI SAL version >= " - "%x.%02x\n", SN_SAL_MIN_MAJOR, SN_SAL_MIN_MINOR); + "%x.%02x\n", SN_SAL_MIN_VERSION >> 8, + SN_SAL_MIN_VERSION & 0x00FF); panic("PROM version too old\n"); } |