[PATCH 12/16] staging/comedi: mark as broken

Christoph Hellwig hch at lst.de
Fri Jun 14 13:47:22 UTC 2019

comedi_buf.c abuse the DMA API in gravely broken ways, as it assumes it
can call virt_to_page on the result, and the just remap it as uncached
using vmap.  Disable the driver until this API abuse has been fixed.

Signed-off-by: Christoph Hellwig <hch at lst.de>
 drivers/staging/comedi/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig
index 049b659fa6ad..e7c021d76cfa 100644
--- a/drivers/staging/comedi/Kconfig
+++ b/drivers/staging/comedi/Kconfig
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 config COMEDI
 	tristate "Data acquisition support (comedi)"
+	depends on BROKEN
 	  Enable support for a wide range of data acquisition devices
 	  for Linux.

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