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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-07 22:26:58 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-07 22:26:58 +0100 |
| commit | 7079060f3e86ea4c1d4e9c1e356592ef9dcaaa1f (patch) | |
| tree | d56af89cd433440e3b9c94a830838d34b502e446 /drivers/char/agp/sworks-agp.c | |
| parent | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus (diff) | |
| parent | [AGPGART] Fix up warning in efficeon driver. (diff) | |
| download | linux-7079060f3e86ea4c1d4e9c1e356592ef9dcaaa1f.tar.xz linux-7079060f3e86ea4c1d4e9c1e356592ef9dcaaa1f.zip | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart
Diffstat (limited to 'drivers/char/agp/sworks-agp.c')
| -rw-r--r-- | drivers/char/agp/sworks-agp.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c index 71ea59a1dbeb..5a5392dd1254 100644 --- a/drivers/char/agp/sworks-agp.c +++ b/drivers/char/agp/sworks-agp.c @@ -102,19 +102,17 @@ static int serverworks_create_gatt_pages(int nr_tables) int retval = 0; int i; - tables = kmalloc((nr_tables + 1) * sizeof(struct serverworks_page_map *), + tables = kzalloc((nr_tables + 1) * sizeof(struct serverworks_page_map *), GFP_KERNEL); - if (tables == NULL) { + if (tables == NULL) return -ENOMEM; - } - memset(tables, 0, sizeof(struct serverworks_page_map *) * (nr_tables + 1)); + for (i = 0; i < nr_tables; i++) { - entry = kmalloc(sizeof(struct serverworks_page_map), GFP_KERNEL); + entry = kzalloc(sizeof(struct serverworks_page_map), GFP_KERNEL); if (entry == NULL) { retval = -ENOMEM; break; } - memset(entry, 0, sizeof(struct serverworks_page_map)); tables[i] = entry; retval = serverworks_create_page_map(entry); if (retval != 0) break; @@ -244,13 +242,27 @@ static int serverworks_fetch_size(void) */ static void serverworks_tlbflush(struct agp_memory *temp) { + unsigned long timeout; + writeb(1, serverworks_private.registers+SVWRKS_POSTFLUSH); - while (readb(serverworks_private.registers+SVWRKS_POSTFLUSH) == 1) + timeout = jiffies + 3*HZ; + while (readb(serverworks_private.registers+SVWRKS_POSTFLUSH) == 1) { cpu_relax(); + if (time_after(jiffies, timeout)) { + printk(KERN_ERR PFX "TLB post flush took more than 3 seconds\n"); + break; + } + } writel(1, serverworks_private.registers+SVWRKS_DIRFLUSH); - while(readl(serverworks_private.registers+SVWRKS_DIRFLUSH) == 1) + timeout = jiffies + 3*HZ; + while (readl(serverworks_private.registers+SVWRKS_DIRFLUSH) == 1) { cpu_relax(); + if (time_after(jiffies, timeout)) { + printk(KERN_ERR PFX "TLB Dir flush took more than 3 seconds\n"); + break; + } + } } static int serverworks_configure(void) @@ -533,6 +545,7 @@ static struct pci_device_id agp_serverworks_pci_table[] = { MODULE_DEVICE_TABLE(pci, agp_serverworks_pci_table); static struct pci_driver agp_serverworks_pci_driver = { + .owner = THIS_MODULE, .name = "agpgart-serverworks", .id_table = agp_serverworks_pci_table, .probe = agp_serverworks_probe, |