--- zzzz-none-000/linux-2.6.19.2/drivers/scsi/aic94xx/aic94xx_sds.c	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5505/linux-2.6.19.2/drivers/scsi/aic94xx/aic94xx_sds.c	2007-01-11 07:38:19.000000000 +0000
@@ -630,6 +630,10 @@
 
 	reg = asd_read_reg_dword(asd_ha, EXSICNFGR);
 
+	if (!(reg & FLASHEX)) {
+		ASD_DPRINTK("flash doesn't exist\n");
+		return -ENOENT;
+	}
 	if (pci_read_config_dword(asd_ha->pcidev, PCI_CONF_FLSH_BAR,
 				  &asd_ha->hw_prof.flash.bar)) {
 		asd_printk("couldn't read PCI_CONF_FLSH_BAR of %s\n",