spi: reorganize drivers

[cascardo/linux.git] / drivers / spi / dw_spi_pci.c

diff --git a/drivers/spi/dw_spi_pci.c b/drivers/spi/dw_spi_pci.c
deleted file mode 100644 (file)
index ad260aa..0000000
--- a/drivers/spi/dw_spi_pci.c
+++ /dev/null
@@ -1,181 +0,0 @@
-/*
- * dw_spi_pci.c - PCI interface driver for DW SPI Core
- *
- * Copyright (c) 2009, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-#include <linux/spi/spi.h>
-
-#include "dw_spi.h"
-
-#define DRIVER_NAME "dw_spi_pci"
-
-struct dw_spi_pci {
-       struct pci_dev  *pdev;
-       struct dw_spi   dws;
-};
-
-static int __devinit spi_pci_probe(struct pci_dev *pdev,
-       const struct pci_device_id *ent)
-{
-       struct dw_spi_pci *dwpci;
-       struct dw_spi *dws;
-       int pci_bar = 0;
-       int ret;
-
-       printk(KERN_INFO "DW: found PCI SPI controller(ID: %04x:%04x)\n",
-               pdev->vendor, pdev->device);
-
-       ret = pci_enable_device(pdev);
-       if (ret)
-               return ret;
-
-       dwpci = kzalloc(sizeof(struct dw_spi_pci), GFP_KERNEL);
-       if (!dwpci) {
-               ret = -ENOMEM;
-               goto err_disable;
-       }
-
-       dwpci->pdev = pdev;
-       dws = &dwpci->dws;
-
-       /* Get basic io resource and map it */
-       dws->paddr = pci_resource_start(pdev, pci_bar);
-       dws->iolen = pci_resource_len(pdev, pci_bar);
-
-       ret = pci_request_region(pdev, pci_bar, dev_name(&pdev->dev));
-       if (ret)
-               goto err_kfree;
-
-       dws->regs = ioremap_nocache((unsigned long)dws->paddr,
-                               pci_resource_len(pdev, pci_bar));
-       if (!dws->regs) {
-               ret = -ENOMEM;
-               goto err_release_reg;
-       }
-
-       dws->parent_dev = &pdev->dev;
-       dws->bus_num = 0;
-       dws->num_cs = 4;
-       dws->irq = pdev->irq;
-
-       /*
-        * Specific handling for Intel MID paltforms, like dma setup,
-        * clock rate, FIFO depth.
-        */
-       if (pdev->device == 0x0800) {
-               ret = dw_spi_mid_init(dws);
-               if (ret)
-                       goto err_unmap;
-       }
-
-       ret = dw_spi_add_host(dws);
-       if (ret)
-               goto err_unmap;
-
-       /* PCI hook and SPI hook use the same drv data */
-       pci_set_drvdata(pdev, dwpci);
-       return 0;
-
-err_unmap:
-       iounmap(dws->regs);
-err_release_reg:
-       pci_release_region(pdev, pci_bar);
-err_kfree:
-       kfree(dwpci);
-err_disable:
-       pci_disable_device(pdev);
-       return ret;
-}
-
-static void __devexit spi_pci_remove(struct pci_dev *pdev)
-{
-       struct dw_spi_pci *dwpci = pci_get_drvdata(pdev);
-
-       pci_set_drvdata(pdev, NULL);
-       dw_spi_remove_host(&dwpci->dws);
-       iounmap(dwpci->dws.regs);
-       pci_release_region(pdev, 0);
-       kfree(dwpci);
-       pci_disable_device(pdev);
-}
-
-#ifdef CONFIG_PM
-static int spi_suspend(struct pci_dev *pdev, pm_message_t state)
-{
-       struct dw_spi_pci *dwpci = pci_get_drvdata(pdev);
-       int ret;
-
-       ret = dw_spi_suspend_host(&dwpci->dws);
-       if (ret)
-               return ret;
-       pci_save_state(pdev);
-       pci_disable_device(pdev);
-       pci_set_power_state(pdev, pci_choose_state(pdev, state));
-       return ret;
-}
-
-static int spi_resume(struct pci_dev *pdev)
-{
-       struct dw_spi_pci *dwpci = pci_get_drvdata(pdev);
-       int ret;
-
-       pci_set_power_state(pdev, PCI_D0);
-       pci_restore_state(pdev);
-       ret = pci_enable_device(pdev);
-       if (ret)
-               return ret;
-       return dw_spi_resume_host(&dwpci->dws);
-}
-#else
-#define spi_suspend    NULL
-#define spi_resume     NULL
-#endif
-
-static const struct pci_device_id pci_ids[] __devinitdata = {
-       /* Intel MID platform SPI controller 0 */
-       { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0800) },
-       {},
-};
-
-static struct pci_driver dw_spi_driver = {
-       .name =         DRIVER_NAME,
-       .id_table =     pci_ids,
-       .probe =        spi_pci_probe,
-       .remove =       __devexit_p(spi_pci_remove),
-       .suspend =      spi_suspend,
-       .resume =       spi_resume,
-};
-
-static int __init mrst_spi_init(void)
-{
-       return pci_register_driver(&dw_spi_driver);
-}
-
-static void __exit mrst_spi_exit(void)
-{
-       pci_unregister_driver(&dw_spi_driver);
-}
-
-module_init(mrst_spi_init);
-module_exit(mrst_spi_exit);
-
-MODULE_AUTHOR("Feng Tang <feng.tang@intel.com>");
-MODULE_DESCRIPTION("PCI interface driver for DW SPI Core");
-MODULE_LICENSE("GPL v2");