mdv: turn on the motor when reading the maps - it helps

diff --git a/Kernel/platform-zx128/devmdv.c b/Kernel/platform-zx128/devmdv.c
index 411e072..c94f089 100644 (file)
--- a/Kernel/platform-zx128/devmdv.c
+++ b/Kernel/platform-zx128/devmdv.c
@@ -30,7 +30,7 @@ static int mdv_transfer(uint8_t minor, bool is_read, uint8_t rawflag)
        if (rawflag)
                goto bad;
 
-       mdv_motor_on(minor);
+       mdv_motor_on(minor + 1);
        /* FIXME: support swap ? */
        mdv_sector = mdvmap[minor][udata.u_buf->bf_blk];
        mdv_buf = udata.u_buf->bf_data;
@@ -71,6 +71,7 @@ int mdv_open(uint8_t minor, uint16_t flag)
                udata.u_error = ENODEV;
                return -1;
        }
+       mdv_motor_on(minor + 1);
        t = tmpbuf();
        mdv_buf = t;
        mdv_sector = 1;
@@ -80,6 +81,7 @@ int mdv_open(uint8_t minor, uint16_t flag)
                err = mdv_bread();
                if (err) {
                        kprintf("mdv_open: maps bad: %d\n", err);
+                       mdv_motor_off();
                        udata.u_error = ENXIO;
                        return -1;
                }
@@ -87,6 +89,7 @@ int mdv_open(uint8_t minor, uint16_t flag)
        }
        brelse(t);      
        mdv_valid |= 1 << minor;
+       mdv_motor_off();
        return 0;
 }