diff mbox

[LTSI-3.14,472/894] ARM: shmobile: Use 64-bit dma_addr_t on r8a7790/r8a7791

Message ID 1409209620-24487-473-git-send-email-horms+renesas@verge.net.au (mailing list archive)
State New, archived
Headers show

Commit Message

Simon Horman Aug. 28, 2014, 6:59 a.m. UTC 
From: Magnus Damm <damm@opensource.se>

Some on-chip devices on r8a7790 and r8a7791 can do
bus mastering and access more than 32-bits of address
space. Select ARCH_DMA_ADDR_T_64BIT when LPAE is set
in case of multiplatform and legacy SoC support.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit 4a51856b42672cfcb7d6fbab22dcf2caba2be5ab)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 arch/arm/mach-shmobile/Kconfig | 3 +++
 1 file changed, 3 insertions(+)
diff mbox

Patch

diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index 1ebf839..08ec4ff 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -9,6 +9,7 @@  config ARCH_SHMOBILE_MULTI
 	select HAVE_ARM_TWD if SMP
 	select ARM_GIC
 	select MIGHT_HAVE_PCI
+	select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE
 	select NO_IOPORT
 	select PINCTRL
 	select ARCH_REQUIRE_GPIOLIB
@@ -111,6 +112,7 @@  config ARCH_R8A7790
 	select MIGHT_HAVE_PCI
 	select SH_CLK_CPG
 	select RENESAS_IRQC
+	select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE
 
 config ARCH_R8A7791
 	bool "R-Car M2 (R8A77910)"
@@ -120,6 +122,7 @@  config ARCH_R8A7791
 	select MIGHT_HAVE_PCI
 	select SH_CLK_CPG
 	select RENESAS_IRQC
+	select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE
 
 config ARCH_EMEV2
 	bool "Emma Mobile EV2"