Patchwork [v3,8/9] fdc: fix seek command, which shouldn't check tracks

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Submitter Hervé Poussineau
Date Jan. 23, 2012, 8:50 a.m.
Message ID <1327308641-14736-9-git-send-email-hpoussin@reactos.org>
Download mbox | patch
Permalink /patch/137300/
State New
Headers show

Comments

Hervé Poussineau - Jan. 23, 2012, 8:50 a.m.
The seek command just sends step pulses to the drive and doesn't care if
there is a medium inserted of if it is banging the head against the drive.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
---
 hw/fdc.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

Patch

diff --git a/hw/fdc.c b/hw/fdc.c
index 8c200fb..3fa7704 100644
--- a/hw/fdc.c
+++ b/hw/fdc.c
@@ -1599,13 +1599,16 @@  static void fdctrl_handle_seek(FDCtrl *fdctrl, int direction)
     SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
     cur_drv = get_cur_drv(fdctrl);
     fdctrl_reset_fifo(fdctrl);
+    /* The seek command just sends step pulses to the drive and doesn't care if
+     * there is a medium inserted of if it's banging the head against the drive.
+     */
     if (fdctrl->fifo[2] > cur_drv->max_track) {
-        fdctrl_raise_irq(fdctrl, FD_SR0_ABNTERM | FD_SR0_SEEK);
+        cur_drv->track = cur_drv->max_track;
     } else {
         cur_drv->track = fdctrl->fifo[2];
-        /* Raise Interrupt */
-        fdctrl_raise_irq(fdctrl, FD_SR0_SEEK);
     }
+    /* Raise Interrupt */
+    fdctrl_raise_irq(fdctrl, FD_SR0_SEEK);
 }
 
 static void fdctrl_handle_perpendicular_mode(FDCtrl *fdctrl, int direction)