Before the dedicated Toshiba Piccolo driver was written by Alan Cox,
these chips were handled by the generic driver; in case the dedicated
driver isn't enabled, the generic driver keeps claiming these chips --
add a comment clarifying that...
Suggested-by: Damien Le Moal <dlemoal@xxxxxxxxxx>
Signed-off-by: Sergey Shtylyov <s.shtylyov@xxxxxx>
---
Changes in version 2:
- new patch.
drivers/ata/ata_generic.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c
index 2f57ec00ab82..d6c210510c36 100644
--- a/drivers/ata/ata_generic.c
+++ b/drivers/ata/ata_generic.c
@@ -220,6 +220,11 @@ static struct pci_device_id ata_generic[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558), },
{ PCI_DEVICE(PCI_VENDOR_ID_CENATEK,PCI_DEVICE_ID_CENATEK_IDE),
.driver_data = ATA_GEN_FORCE_DMA },
+ /*
+ * Before the dedicated Toshiba Piccolo driver was written,
+ * these chips were handled by the generic driver; keep the
+ * old behavior if the dedicated driver is not enabled...
+ */
#if !defined(CONFIG_PATA_TOSHIBA) && !defined(CONFIG_PATA_TOSHIBA_MODULE)
{ PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), },
{ PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), },
--
2.47.0
