These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / i2c / busses / i2c-designware-pcidrv.c

diff --git a/kernel/drivers/i2c/busses/i2c-designware-pcidrv.c b/kernel/drivers/i2c/busses/i2c-designware-pcidrv.c
index 6643d2d..1543d35 100644 (file)
--- a/kernel/drivers/i2c/busses/i2c-designware-pcidrv.c
+++ b/kernel/drivers/i2c/busses/i2c-designware-pcidrv.c
@@ -35,6 +35,7 @@
 #include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/pm_runtime.h>
+#include <linux/acpi.h>
 #include "i2c-designware-core.h"
 
 #define DRIVER_NAME "i2c-designware-pci"
@@ -158,11 +159,6 @@ static struct dw_pci_controller dw_pci_controllers[] = {
        },
 };
 
-static struct i2c_algorithm i2c_dw_algo = {
-       .master_xfer    = i2c_dw_xfer,
-       .functionality  = i2c_dw_func,
-};
-
 #ifdef CONFIG_PM
 static int i2c_dw_pci_suspend(struct device *dev)
 {
@@ -222,13 +218,12 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev,
        if (!dev)
                return -ENOMEM;
 
-       init_completion(&dev->cmd_complete);
-       mutex_init(&dev->lock);
        dev->clk = NULL;
        dev->controller = controller;
        dev->get_clk_rate_khz = i2c_dw_get_clk_rate_khz;
        dev->base = pcim_iomap_table(pdev)[0];
        dev->dev = &pdev->dev;
+       dev->irq = pdev->irq;
        dev->functionality = controller->functionality |
                                DW_DEFAULT_FUNCTIONALITY;
 
@@ -246,34 +241,16 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev,
 
        dev->tx_fifo_depth = controller->tx_fifo_depth;
        dev->rx_fifo_depth = controller->rx_fifo_depth;
-       r = i2c_dw_init(dev);
-       if (r)
-               return r;
 
        adap = &dev->adapter;
-       i2c_set_adapdata(adap, dev);
        adap->owner = THIS_MODULE;
        adap->class = 0;
-       adap->algo = &i2c_dw_algo;
-       adap->dev.parent = &pdev->dev;
+       ACPI_COMPANION_SET(&adap->dev, ACPI_COMPANION(&pdev->dev));
        adap->nr = controller->bus_num;
 
-       snprintf(adap->name, sizeof(adap->name), "i2c-designware-pci");
-
-       r = devm_request_irq(&pdev->dev, pdev->irq, i2c_dw_isr, IRQF_SHARED,
-                       adap->name, dev);
-       if (r) {
-               dev_err(&pdev->dev, "failure requesting irq %i\n", dev->irq);
-               return r;
-       }
-
-       i2c_dw_disable_int(dev);
-       i2c_dw_clear_int(dev);
-       r = i2c_add_numbered_adapter(adap);
-       if (r) {
-               dev_err(&pdev->dev, "failure adding adapter\n");
+       r = i2c_dw_probe(dev);
+       if (r)
                return r;
-       }
 
        pm_runtime_set_autosuspend_delay(&pdev->dev, 1000);
        pm_runtime_use_autosuspend(&pdev->dev);