[PATCH 4.4 138/193] serial: 8250_mid: fix broken DMA dependency
From: Greg Kroah-Hartman
Date: Fri Feb 23 2018 - 13:39:19 EST
4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
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 <fengguang.wu@xxxxxxxxx>
Signed-off-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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)
select RATIONAL
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