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[SCSI] allow sleeping in ->eh_bus_reset_handler()

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Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Jeff Garzik
2005-05-28 07:56:31 -04:00
parent 94d0e7b805
commit 68b3aa7c98
32 changed files with 134 additions and 41 deletions
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5
drivers/scsi/fd_mcs.c
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@@ -1243,6 +1243,7 @@ static int fd_mcs_abort(Scsi_Cmnd * SCpnt)
static int fd_mcs_bus_reset(Scsi_Cmnd * SCpnt) {
struct Scsi_Host *shpnt = SCpnt->device->host;
unsigned long flags;
#if DEBUG_RESET
static int called_once = 0;
@@ -1259,6 +1260,8 @@ static int fd_mcs_bus_reset(Scsi_Cmnd * SCpnt) {
called_once = 1;
#endif
spin_lock_irqsave(shpnt->host_lock, flags);
outb(1, SCSI_Cntl_port);
do_pause(2);
outb(0, SCSI_Cntl_port);
@@ -1266,6 +1269,8 @@ static int fd_mcs_bus_reset(Scsi_Cmnd * SCpnt) {
outb(0, SCSI_Mode_Cntl_port);
outb(PARITY_MASK, TMC_Cntl_port);
spin_unlock_irqrestore(shpnt->host_lock, flags);
/* Unless this is the very first call (i.e., SCPnt == NULL), everything
is probably hosed at this point. We will, however, try to keep
things going by informing the high-level code that we need help. */