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| author | Prarit Bhargava <prarit@sgi.com> | 2006-01-25 18:51:14 -0500 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2006-01-26 13:50:40 -0800 |
| commit | 61d67f2e07d96d20d86135792ca591c491939c27 (patch) | |
| tree | d0c65cff2291e5ed849640a465c444c150f8d929 /arch/ia64 | |
| parent | 139366a093d1ce2749b1b4247947ceb9b78caa2a (diff) | |
| download | lwn-61d67f2e07d96d20d86135792ca591c491939c27.tar.gz lwn-61d67f2e07d96d20d86135792ca591c491939c27.zip | |
[IA64-SGI] Add PROM feature set for device flush list
Introduce PRF_DEVICE_FLUSH_LIST flag for older PROMs.
Signed-off-by: Prarit Bhargava <prarit@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/sn/kernel/io_init.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c index 00700f7e6837..a4c78152b336 100644 --- a/arch/ia64/sn/kernel/io_init.c +++ b/arch/ia64/sn/kernel/io_init.c @@ -10,6 +10,7 @@ #include <linux/nodemask.h> #include <asm/sn/types.h> #include <asm/sn/addrs.h> +#include <asm/sn/sn_feature_sets.h> #include <asm/sn/geo.h> #include <asm/sn/io.h> #include <asm/sn/pcibr_provider.h> @@ -173,8 +174,8 @@ sn_pcidev_info_get(struct pci_dev *dev) */ static u8 war_implemented = 0; -static void sn_device_fixup_war(u64 nasid, u64 widget, int device, - struct sn_flush_device_common *common) +static s64 sn_device_fixup_war(u64 nasid, u64 widget, int device, + struct sn_flush_device_common *common) { struct sn_flush_device_war *war_list; struct sn_flush_device_war *dev_entry; @@ -198,8 +199,9 @@ static void sn_device_fixup_war(u64 nasid, u64 widget, int device, dev_entry = war_list + device; memcpy(common,dev_entry, sizeof(*common)); - kfree(war_list); + + return isrv.status; } /* @@ -279,23 +281,21 @@ static void sn_fixup_ionodes(void) memset(dev_entry->common, 0x0, sizeof(struct sn_flush_device_common)); - status = sal_get_device_dmaflush_list(nasid, - widget, - device, + if (sn_prom_feature_available( + PRF_DEVICE_FLUSH_LIST)) + status = sal_get_device_dmaflush_list( + nasid, + widget, + device, (u64)(dev_entry->common)); - if (status) { - if (sn_sal_rev() < 0x0450) { - /* shortlived WAR for older - * PROM images - */ - sn_device_fixup_war(nasid, - widget, - device, + else + status = sn_device_fixup_war(nasid, + widget, + device, dev_entry->common); - } - else - BUG(); - } + if (status != SALRET_OK) + panic("SAL call failed: %s\n", + ia64_sal_strerror(status)); spin_lock_init(&dev_entry->sfdl_flush_lock); } |