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Subject[PATCH 4.4 138/193] serial: 8250_mid: fix broken DMA dependency
4.4-stable review patch.  If anyone has any objections, please let me know.


From: Heikki Krogerus <>

commit 0ff4230584320b2153752ba54e2e8edbd6addf2c upstream.

In order to enable HSU DMA PCI driver, the HSU DMA Engine
must be enabled. This add a check for that.

Reported-by: kbuild test robot <>
Signed-off-by: Heikki Krogerus <>
Signed-off-by: Greg Kroah-Hartman <>

drivers/tty/serial/8250/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/tty/serial/8250/Kconfig
+++ b/drivers/tty/serial/8250/Kconfig
@@ -372,7 +372,7 @@ config SERIAL_8250_MID
tristate "Support for serial ports on Intel MID platforms"
depends on SERIAL_8250 && PCI
select HSU_DMA if SERIAL_8250_DMA
- select HSU_DMA_PCI if X86_INTEL_MID
+ select HSU_DMA_PCI if (HSU_DMA && X86_INTEL_MID)
Selecting this option will enable handling of the extra features

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