ide: add IDE_HFLAG_ERROR_STOPS_FIFO host flag

Add IDE_HFLAG_ERROR_STOPS_FIFO host flag and use it instead
of hwif->err_stops_fifo.  As a side-effect this change fixes
hwif->err_stops_fifo not being restored by ide_hwif_restore().

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c
index 20dc6bc..415a228 100644
--- a/drivers/ide/pci/pdc202xx_new.c
+++ b/drivers/ide/pci/pdc202xx_new.c
@@ -471,8 +471,6 @@
 	hwif->quirkproc = &pdcnew_quirkproc;
 	hwif->resetproc = &pdcnew_reset;
 
-	hwif->err_stops_fifo = 1;
-
 	hwif->drives[0].autotune = hwif->drives[1].autotune = 1;
 
 	if (hwif->dma_base == 0)
@@ -510,6 +508,7 @@
 		.init_chipset	= init_chipset_pdcnew, \
 		.init_hwif	= init_hwif_pdc202new, \
 		.host_flags	= IDE_HFLAG_POST_SET_MODE | \
+				  IDE_HFLAG_ERROR_STOPS_FIFO | \
 				  IDE_HFLAG_OFF_BOARD, \
 		.pio_mask	= ATA_PIO4, \
 		.mwdma_mask	= ATA_MWDMA2, \