x86/amd_nb: Clean up init path

The initcall had unnecessary pr_notice() messages which are useless
noise on distro kernels.

Also, push the GART init error message where it belongs, *after* the
check whether the current hw we're loaded on, supports GART at all.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Battersby <tonyb@cybernetics.com>
Link: http://lkml.kernel.org/r/1466097230-5333-3-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Borislav Petkov 2016-06-16 19:13:50 +02:00 committed by Ingo Molnar
parent 35c88cabb1
commit 09c6c30e72

View File

@ -219,24 +219,22 @@ int amd_set_subcaches(int cpu, unsigned long mask)
return 0;
}
static int amd_cache_gart(void)
static void amd_cache_gart(void)
{
u16 i;
if (!amd_nb_has_feature(AMD_NB_GART))
return 0;
if (!amd_nb_has_feature(AMD_NB_GART))
return;
flush_words = kmalloc(amd_nb_num() * sizeof(u32), GFP_KERNEL);
if (!flush_words) {
amd_northbridges.flags &= ~AMD_NB_GART;
return -ENOMEM;
}
flush_words = kmalloc(amd_nb_num() * sizeof(u32), GFP_KERNEL);
if (!flush_words) {
amd_northbridges.flags &= ~AMD_NB_GART;
pr_notice("Cannot initialize GART flush words, GART support disabled\n");
return;
}
for (i = 0; i != amd_nb_num(); i++)
pci_read_config_dword(node_to_amd_nb(i)->misc, 0x9c,
&flush_words[i]);
return 0;
for (i = 0; i != amd_nb_num(); i++)
pci_read_config_dword(node_to_amd_nb(i)->misc, 0x9c, &flush_words[i]);
}
void amd_flush_garts(void)
@ -278,17 +276,10 @@ EXPORT_SYMBOL_GPL(amd_flush_garts);
static __init int init_amd_nbs(void)
{
int err = 0;
amd_cache_northbridges();
amd_cache_gart();
err = amd_cache_northbridges();
if (err < 0)
pr_notice("Cannot enumerate AMD northbridges\n");
if (amd_cache_gart() < 0)
pr_notice("Cannot initialize GART flush words, GART support disabled\n");
return err;
return 0;
}
/* This has to go after the PCI subsystem */