As usual, error trigger and debug message patch.
diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -421,6 +421,46 @@ static int sil24_qc_issue(struct ata_que
struct sil24_port_priv *pp = ap->private_data;
dma_addr_t paddr = pp->cmd_block_dma + qc->tag * sizeof(*pp->cmd_block);
+#if 0
+ static unsigned err_cnt;
+ err_cnt++;
+ if (err_cnt > 500 && err_cnt % 30 == 0) {
+ struct sil24_cmd_block *cb = pp->cmd_block + qc->tag;
+ struct sil24_prb *prb = &cb->prb;
+ u8 *fis = prb->fis;
+ printk("SIL24%u: FAILING %p: %08x %08x %08x %08x %08x\n",
+ ap->id, qc->scsicmd,
+ ((unsigned *)fis)[0], ((unsigned *)fis)[1],
+ ((unsigned *)fis)[2], ((unsigned *)fis)[3],
+ ((unsigned *)fis)[4]);
+ fis[4] = 0xff;
+ fis[5] = 0xff;
+ fis[6] = 0xff;
+ fis[8] = 0xff;
+ fis[9] = 0xff;
+ fis[10] = 0xff;
+ }
+#endif
+
+#if 0
+ {
+ struct sil24_cmd_block *cb = pp->cmd_block + qc->tag;
+ struct sil24_prb *prb = &cb->prb;
+ u32 *fis = (u32 *)prb->fis;
+ printk("SIL24%u: FIS %p: %08x %08x %08x %08x %08x\n",
+ ap->id, qc->scsicmd,
+ fis[0], fis[1], fis[2], fis[3], fis[4]);
+ }
+#endif
+
+#if 1
+ static unsigned skip_cnt;
+ skip_cnt++;
+ if (skip_cnt > 500 && skip_cnt % 100 == 0) {
+ printk("AHCI: SKIPPING %02u\n", qc->tag);
+ return 0;
+ }
+#endif
writel((u32)paddr, pp->port + PORT_CMD_ACTIVATE);
return 0;
}
-
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