X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fata%2Fsata_via.c;h=d3d5c0d57032f029024e3077d475573a523c1c4c;hb=9af9fc45ddd3e315c51f87392b5048967e4343cd;hp=1c7f19aecc25f25973e2235ffd78b121026af304;hpb=cece901481bafbf14de8cbd3a89ae869ea881055;p=pandora-kernel.git

diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index 1c7f19aecc25..d3d5c0d57032 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -74,9 +74,11 @@ enum {
 static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
 static u32 svia_scr_read (struct ata_port *ap, unsigned int sc_reg);
 static void svia_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
+static void svia_noop_freeze(struct ata_port *ap);
 static void vt6420_error_handler(struct ata_port *ap);
 
 static const struct pci_device_id svia_pci_tbl[] = {
+	{ PCI_VDEVICE(VIA, 0x5337), vt6420 },
 	{ PCI_VDEVICE(VIA, 0x0591), vt6420 },
 	{ PCI_VDEVICE(VIA, 0x3149), vt6420 },
 	{ PCI_VDEVICE(VIA, 0x3249), vt6421 },
@@ -127,7 +129,7 @@ static const struct ata_port_operations vt6420_sata_ops = {
 	.qc_issue		= ata_qc_issue_prot,
 	.data_xfer		= ata_pio_data_xfer,
 
-	.freeze			= ata_bmdma_freeze,
+	.freeze			= svia_noop_freeze,
 	.thaw			= ata_bmdma_thaw,
 	.error_handler		= vt6420_error_handler,
 	.post_internal_cmd	= ata_bmdma_post_internal_cmd,
@@ -203,6 +205,15 @@ static void svia_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val)
 	outl(val, ap->ioaddr.scr_addr + (4 * sc_reg));
 }
 
+static void svia_noop_freeze(struct ata_port *ap)
+{
+	/* Some VIA controllers choke if ATA_NIEN is manipulated in
+	 * certain way.  Leave it alone and just clear pending IRQ.
+	 */
+	ata_chk_status(ap);
+	ata_bmdma_irq_clear(ap);
+}
+
 /**
  *	vt6420_prereset - prereset for vt6420
  *	@ap: target ATA port