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Subject[RFC PATCH 2/2] ARM: shmobile: sh7372: Change VPU UIO to uio_dmem_genirq
Date
This allows the VPU memory to be allocated dynamically only when it
is needed.

Signed-off-by: Damian Hobson-Garcia <dhobsong@igel.co.jp>
---
arch/arm/mach-shmobile/setup-sh7372.c | 19 ++++++++++++++-----
1 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c
index 1106b4f..fe75701 100644
--- a/arch/arm/mach-shmobile/setup-sh7372.c
+++ b/arch/arm/mach-shmobile/setup-sh7372.c
@@ -21,6 +21,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
+#include <linux/platform_data/uio_dmem_genirq.h>
#include <linux/platform_device.h>
#include <linux/of_platform.h>
#include <linux/uio_driver.h>
@@ -761,11 +762,19 @@ static struct platform_device usb_dma1_device = {
},
};

+static unsigned int region_sizes[] = {
+ (32 << 20),
+};
+
/* VPU */
-static struct uio_info vpu_platform_data = {
- .name = "VPU5HG",
- .version = "0",
- .irq = intcs_evt2irq(0x980),
+static struct uio_dmem_genirq_pdata vpu_platform_data = {
+ .uioinfo = {
+ .name = "VPU5HG",
+ .version = "0",
+ .irq = intcs_evt2irq(0x980),
+ },
+ .dynamic_region_sizes = region_sizes,
+ .num_dynamic_regions = ARRAY_SIZE(region_sizes),
};

static struct resource vpu_resources[] = {
@@ -778,7 +787,7 @@ static struct resource vpu_resources[] = {
};

static struct platform_device vpu_device = {
- .name = "uio_pdrv_genirq",
+ .name = "uio_dmem_genirq",
.id = 0,
.dev = {
.platform_data = &vpu_platform_data,
--
1.7.5.4


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