diff options
Diffstat (limited to 'arch/arm/mach-ux500/dma-db8500.c')
| -rw-r--r-- | arch/arm/mach-ux500/dma-db8500.c | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/arch/arm/mach-ux500/dma-db8500.c b/arch/arm/mach-ux500/dma-db8500.c index d7dcc9147ed..e17eb7a3d8a 100644 --- a/arch/arm/mach-ux500/dma-db8500.c +++ b/arch/arm/mach-ux500/dma-db8500.c @@ -16,7 +16,6 @@ #include <mach/setup.h> #include <mach/ste-dma40-db8500.h> -#include "pm/context.h" #include "pm/pm.h" static struct resource dma40_resources[] = { @@ -232,54 +231,6 @@ static struct stedma40_platform_data dma40_plat_data = { .use_esram_lcla = false, }; -#ifdef CONFIG_UX500_CONTEXT -#define D40_DREG_GCC 0x000 -#define D40_DREG_LCPA 0x020 -#define D40_DREG_LCLA 0x024 - -static void __iomem *base; - -static int dma_context_notifier_call(struct notifier_block *this, - unsigned long event, void *data) -{ - static unsigned long lcpa; - static unsigned long lcla; - static unsigned long gcc; - - switch (event) { - case CONTEXT_APE_SAVE: - lcla = readl(base + D40_DREG_LCLA); - lcpa = readl(base + D40_DREG_LCPA); - gcc = readl(base + D40_DREG_GCC); - break; - - case CONTEXT_APE_RESTORE: - writel(gcc, base + D40_DREG_GCC); - writel(lcpa, base + D40_DREG_LCPA); - writel(lcla, base + D40_DREG_LCLA); - break; - } - return NOTIFY_OK; -} - -static struct notifier_block dma_context_notifier = { - .notifier_call = dma_context_notifier_call, -}; - -static void dma_context_notifier_init(void) -{ - base = ioremap(dma40_resources[0].start, resource_size(&dma40_resources[0])); - if (WARN_ON(!base)) - return; - - WARN_ON(context_ape_notifier_register(&dma_context_notifier)); -} -#else -static void dma_context_notifier_init(void) -{ -} -#endif - static struct platform_device dma40_device = { .dev = { .platform_data = &dma40_plat_data, @@ -301,5 +252,4 @@ void __init db8500_dma_init(void) if (ret) dev_err(&dma40_device.dev, "unable to register device: %d\n", ret); - dma_context_notifier_init(); } |