diff options
Diffstat (limited to 'arch/arm/mach-tegra/dma.c')
| -rw-r--r-- | arch/arm/mach-tegra/dma.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/dma.c b/arch/arm/mach-tegra/dma.c index 4625e3a..2d720f2 100644 --- a/arch/arm/mach-tegra/dma.c +++ b/arch/arm/mach-tegra/dma.c @@ -27,6 +27,7 @@ #include <linux/err.h> #include <linux/irq.h> #include <linux/delay.h> +#include <linux/clk.h> #include <mach/dma.h> #include <mach/irqs.h> #include <mach/iomap.h> @@ -675,6 +676,19 @@ int __init tegra_dma_init(void) int i; unsigned int irq; void __iomem *addr; + struct clk *c; + + c = clk_get_sys("tegra-dma", NULL); + if (IS_ERR(c)) { + pr_err("Unable to get clock for APB DMA\n"); + ret = PTR_ERR(c); + goto fail; + } + ret = clk_enable(c); + if (ret != 0) { + pr_err("Unable to enable clock for APB DMA\n"); + goto fail; + } addr = IO_ADDRESS(TEGRA_APB_DMA_BASE); writel(GEN_ENABLE, addr + APB_DMA_GEN); |