Revert "dmaengine: dw: platform: provide platform data for Intel"
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Fri, 4 Dec 2015 21:49:25 +0000 (23:49 +0200)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Thu, 7 Jan 2016 13:11:54 +0000 (14:11 +0100)
Since we have a work around to prevent a system hangup we don't need to provide
a platform data explicitly anymore.

This reverts commit 175267b389f781748e2bbb6c737e76b5c9bc4c88.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/dma/dw/platform.c

index d0734e9..127093a 100644 (file)
@@ -155,7 +155,6 @@ static int dw_probe(struct platform_device *pdev)
        struct dw_dma_chip *chip;
        struct device *dev = &pdev->dev;
        struct resource *mem;
-       const struct acpi_device_id *id;
        struct dw_dma_platform_data *pdata;
        int err;
 
@@ -179,11 +178,6 @@ static int dw_probe(struct platform_device *pdev)
        pdata = dev_get_platdata(dev);
        if (!pdata)
                pdata = dw_dma_parse_dt(pdev);
-       if (!pdata && has_acpi_companion(dev)) {
-               id = acpi_match_device(dev->driver->acpi_match_table, dev);
-               if (id)
-                       pdata = (struct dw_dma_platform_data *)id->driver_data;
-       }
 
        chip->dev = dev;
 
@@ -264,17 +258,8 @@ MODULE_DEVICE_TABLE(of, dw_dma_of_id_table);
 #endif
 
 #ifdef CONFIG_ACPI
-static struct dw_dma_platform_data dw_dma_acpi_pdata = {
-       .nr_channels = 8,
-       .is_private = true,
-       .chan_allocation_order = CHAN_ALLOCATION_ASCENDING,
-       .chan_priority = CHAN_PRIORITY_ASCENDING,
-       .block_size = 4095,
-       .nr_masters = 2,
-};
-
 static const struct acpi_device_id dw_dma_acpi_id_table[] = {
-       { "INTL9C60", (kernel_ulong_t)&dw_dma_acpi_pdata },
+       { "INTL9C60", 0 },
        { }
 };
 MODULE_DEVICE_TABLE(acpi, dw_dma_acpi_id_table);