[PATCH 62/86] pata_pdc202xx_old: document known issues

[Bartlomiej Zolnierkiewicz]

From: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
Subject: [PATCH] pata_pdc202xx_old: document known issues

Document known issues with the driver to aid distribution makers,
users and developers in making informed decisions instead of wasting
their time needlessly.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
---
 drivers/ata/Kconfig |    4 ++++
 1 file changed, 4 insertions(+)

Index: b/drivers/ata/Kconfig
===================================================================
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -583,6 +583,10 @@ config PATA_PDC_OLD
 	  This option enables support for the Promise 20246, 20262, 20263,
 	  20265 and 20267 adapters.
 
+	  Known issues:
+	  - UDMA transfers fail mysteriously on some chipsets
+	  - ATAPI DMA is unsupported currently
+
 	  If unsure, say N.
 
 config PATA_QDI
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