return 0;
memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
+ SCpnt->cmd_len = rq->cmd_len;
if (rq_data_dir(rq) == WRITE)
SCpnt->sc_data_direction = DMA_TO_DEVICE;
else if (rq->data_len)
sd_spinup_disk(struct scsi_disk *sdkp, char *diskname)
{
unsigned char cmd[10];
- unsigned long spintime_value = 0;
+ unsigned long spintime_expire = 0;
int retries, spintime;
unsigned int the_result;
struct scsi_sense_hdr sshdr;
scsi_execute_req(sdkp->device, cmd, DMA_NONE,
NULL, 0, &sshdr,
SD_TIMEOUT, SD_MAX_RETRIES);
- spintime_value = jiffies;
+ spintime_expire = jiffies + 100 * HZ;
+ spintime = 1;
}
- spintime = 1;
/* Wait 1 second for next try */
msleep(1000);
printk(".");
+
+ /*
+ * Wait for USB flash devices with slow firmware.
+ * Yes, this sense key/ASC combination shouldn't
+ * occur here. It's characteristic of these devices.
+ */
+ } else if (sense_valid &&
+ sshdr.sense_key == UNIT_ATTENTION &&
+ sshdr.asc == 0x28) {
+ if (!spintime) {
+ spintime_expire = jiffies + 5 * HZ;
+ spintime = 1;
+ }
+ /* Wait 1 second for next try */
+ msleep(1000);
} else {
/* we don't understand the sense code, so it's
* probably pointless to loop */
break;
}
- } while (spintime &&
- time_after(spintime_value + 100 * HZ, jiffies));
+ } while (spintime && time_before_eq(jiffies, spintime_expire));
if (spintime) {
if (scsi_status_is_good(the_result))