diff options
Diffstat (limited to 'drivers/ata/ata_piix.c')
| -rw-r--r-- | drivers/ata/ata_piix.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 0b2fcf0d1d6c..27b0d903f91f 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -77,6 +77,7 @@ #include <scsi/scsi_host.h> #include <linux/libata.h> #include <linux/dmi.h> +#include <trace/events/libata.h> #define DRV_NAME "ata_piix" #define DRV_VERSION "2.13" @@ -816,10 +817,15 @@ static int piix_sidpr_set_lpm(struct ata_link *link, enum ata_lpm_policy policy, static bool piix_irq_check(struct ata_port *ap) { + unsigned char host_stat; + if (unlikely(!ap->ioaddr.bmdma_addr)) return false; - return ap->ops->bmdma_status(ap) & ATA_DMA_INTR; + host_stat = ap->ops->bmdma_status(ap); + trace_ata_bmdma_status(ap, host_stat); + + return host_stat & ATA_DMA_INTR; } #ifdef CONFIG_PM_SLEEP @@ -1345,7 +1351,6 @@ static void piix_init_pcs(struct ata_host *host, new_pcs = pcs | map_db->port_enable; if (new_pcs != pcs) { - DPRINTK("updating PCS from 0x%x to 0x%x\n", pcs, new_pcs); pci_write_config_word(pdev, ICH5_PCS, new_pcs); msleep(150); } @@ -1769,14 +1774,12 @@ static int __init piix_init(void) { int rc; - DPRINTK("pci_register_driver\n"); rc = pci_register_driver(&piix_pci_driver); if (rc) return rc; in_module_init = 0; - DPRINTK("done\n"); return 0; } |