diff mbox

[04/04] PCI: rcar: Enable BOUNCE in case of HIGHMEM

Message ID 20140205065334.29445.56887.sendpatchset@w520 (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Magnus Damm Feb. 5, 2014, 6:53 a.m. UTC 
From: Magnus Damm <damm@opensource.se>

Select BOUNCE in case of HIGHMEM to enable bounce buffers in
the block layer. Without this patch the DMABOUNCE code will
error out due to lack of HIGHMEM support, and without DMABOUNCE
there will be silent errors.

Signed-off-by: Magnus Damm <damm@opensource.se>
---

 drivers/pci/host/Kconfig |    1 +
 1 file changed, 1 insertion(+)

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diff mbox

Patch

--- 0009/drivers/pci/host/Kconfig
+++ work/drivers/pci/host/Kconfig	2014-02-04 16:11:27.000000000 +0900
@@ -30,6 +30,7 @@  config PCI_RCAR_GEN2
 	depends on ARM && (ARCH_R8A7790 || ARCH_R8A7791 || COMPILE_TEST)
 	select GENERIC_ALLOCATOR
 	select DMABOUNCE
+	select BOUNCE if HIGHMEM
 	help
 	  Say Y here if you want internal PCI support on R-Car Gen2 SoC.
 	  There are 3 internal PCI controllers available with a single