diff options
Diffstat (limited to 'drivers/ata/sata_sil.c')
| -rw-r--r-- | drivers/ata/sata_sil.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index dca3d3749f06..f7179c646bef 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -46,7 +46,7 @@ #include <linux/libata.h> #define DRV_NAME "sata_sil" -#define DRV_VERSION "2.0" +#define DRV_VERSION "2.1" enum { SIL_MMIO_BAR = 5, @@ -339,7 +339,7 @@ static inline void __iomem *sil_scr_addr(struct ata_port *ap, unsigned int sc_re break; } - return 0; + return NULL; } static u32 sil_scr_read (struct ata_port *ap, unsigned int sc_reg) @@ -386,9 +386,15 @@ static void sil_host_intr(struct ata_port *ap, u32 bmdma2) goto freeze; } - if (unlikely(!qc || qc->tf.ctl & ATA_NIEN)) + if (unlikely(!qc)) goto freeze; + if (unlikely(qc->tf.flags & ATA_TFLAG_POLLING)) { + /* this sometimes happens, just clear IRQ */ + ata_chk_status(ap); + return; + } + /* Check whether we are expecting interrupt in this state */ switch (ap->hsm_task_state) { case HSM_ST_FIRST: |