Success!
Am 01.07.2013 08:59, schrieb Martin Waschbüsch:
> To test this, I patched the driver from debian's linux-source-3.2
> accordingly and am re-compiling the kernel as we speak.
> I'll be back with results on that...
With the increased delay in place, I can now reliably boot my TS-412 and
all drives are up before the softraid is enabled. The patch I ended up
using is attached (though, as written before, it is simply copy & paste
from QNAP GPL sources).
Best,
Martin
--- linux-source-3.2-orig/drivers/ata/sata_mv.c 2013-05-30 15:35:16.000000000
+0200
+++ linux-source-3.2/drivers/ata/sata_mv.c 2013-07-01 11:30:43.094185000
+0200
@@ -73,6 +73,10 @@
#define DRV_NAME "sata_mv"
#define DRV_VERSION "1.28"
+//Patch by QNAP: delay SATA disk initialization
+#define QMV_SATA_INIT_DELAY_PHASE 5000 //milliseconds
+////////////////////////////////////////////////////////////////
+
/*
* module options
*/
@@ -4329,7 +4333,11 @@
struct ata_port *ap = host->ports[port];
void __iomem *port_mmio = mv_port_base(hpriv->base, port);
unsigned int offset = port_mmio - hpriv->base;
-
+ // marvell 7042 port 2 port 3 will power on by order every 5
sec
+ if( (port==2) || (port == 3) ){
+ printk("Wait %d seconds to initialize scsi
%d.\n",QMV_SATA_INIT_DELAY_PHASE/1000,port);
+ mdelay(QMV_SATA_INIT_DELAY_PHASE);
+ }
ata_port_pbar_desc(ap, MV_PRIMARY_BAR, -1, "mmio");
ata_port_pbar_desc(ap, MV_PRIMARY_BAR, offset, "port");
}
