#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
+#include <linux/of.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
struct dw_desc *desc;
u32 len, dlen, mem;
- mem = sg_phys(sg);
+ mem = sg_dma_address(sg);
len = sg_dma_len(sg);
if (!((mem | len) & 7))
struct dw_desc *desc;
u32 len, dlen, mem;
- mem = sg_phys(sg);
+ mem = sg_dma_address(sg);
len = sg_dma_len(sg);
if (!((mem | len) & 7))
err = PTR_ERR(dw->clk);
goto err_clk;
}
- clk_enable(dw->clk);
+ clk_prepare_enable(dw->clk);
/* force dma off, just in case */
dw_dma_off(dw);
return 0;
err_irq:
- clk_disable(dw->clk);
+ clk_disable_unprepare(dw->clk);
clk_put(dw->clk);
err_clk:
iounmap(dw->regs);
channel_clear_bit(dw, CH_EN, dwc->mask);
}
- clk_disable(dw->clk);
+ clk_disable_unprepare(dw->clk);
clk_put(dw->clk);
iounmap(dw->regs);
struct dw_dma *dw = platform_get_drvdata(pdev);
dw_dma_off(platform_get_drvdata(pdev));
- clk_disable(dw->clk);
+ clk_disable_unprepare(dw->clk);
}
static int dw_suspend_noirq(struct device *dev)
struct dw_dma *dw = platform_get_drvdata(pdev);
dw_dma_off(platform_get_drvdata(pdev));
- clk_disable(dw->clk);
+ clk_disable_unprepare(dw->clk);
return 0;
}
struct platform_device *pdev = to_platform_device(dev);
struct dw_dma *dw = platform_get_drvdata(pdev);
- clk_enable(dw->clk);
+ clk_prepare_enable(dw->clk);
dma_writel(dw, CFG, DW_CFG_DMA_EN);
return 0;
}
.poweroff_noirq = dw_suspend_noirq,
};
+#ifdef CONFIG_OF
+static const struct of_device_id dw_dma_id_table[] = {
+ { .compatible = "snps,dma-spear1340" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, dw_dma_id_table);
+#endif
+
static struct platform_driver dw_driver = {
.remove = __exit_p(dw_remove),
.shutdown = dw_shutdown,
.driver = {
.name = "dw_dmac",
.pm = &dw_dev_pm_ops,
+ .of_match_table = of_match_ptr(dw_dma_id_table),
},
};
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller driver");
MODULE_AUTHOR("Haavard Skinnemoen (Atmel)");
-MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");