diff options
Diffstat (limited to 'drivers/usb/host/xhci-pci-renesas.c')
| -rw-r--r-- | drivers/usb/host/xhci-pci-renesas.c | 56 |
1 files changed, 46 insertions, 10 deletions
diff --git a/drivers/usb/host/xhci-pci-renesas.c b/drivers/usb/host/xhci-pci-renesas.c index 93f8b355bc70..86df80399c9f 100644 --- a/drivers/usb/host/xhci-pci-renesas.c +++ b/drivers/usb/host/xhci-pci-renesas.c @@ -6,7 +6,7 @@ #include <linux/module.h> #include <linux/pci.h> #include <linux/slab.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include "xhci.h" #include "xhci-trace.h" @@ -47,8 +47,11 @@ #define RENESAS_ROM_ERASE_MAGIC 0x5A65726F #define RENESAS_ROM_WRITE_MAGIC 0x53524F4D -#define RENESAS_RETRY 10000 -#define RENESAS_DELAY 10 +#define RENESAS_RETRY 50000 /* 50000 * RENESAS_DELAY ~= 500ms */ +#define RENESAS_CHIP_ERASE_RETRY 500000 /* 500000 * RENESAS_DELAY ~= 5s */ +#define RENESAS_DELAY 10 + +#define RENESAS_FW_NAME "renesas_usb_fw.mem" static int renesas_fw_download_image(struct pci_dev *dev, const u32 *fw, size_t step, bool rom) @@ -405,7 +408,7 @@ static void renesas_rom_erase(struct pci_dev *pdev) /* sleep a bit while ROM is erased */ msleep(20); - for (i = 0; i < RENESAS_RETRY; i++) { + for (i = 0; i < RENESAS_CHIP_ERASE_RETRY; i++) { retval = pci_read_config_byte(pdev, RENESAS_ROM_STATUS, &status); status &= RENESAS_ROM_STATUS_ERASE; @@ -573,12 +576,10 @@ exit: return err; } -int renesas_xhci_check_request_fw(struct pci_dev *pdev, - const struct pci_device_id *id) +static int renesas_xhci_check_request_fw(struct pci_dev *pdev, + const struct pci_device_id *id) { - struct xhci_driver_data *driver_data = - (struct xhci_driver_data *)id->driver_data; - const char *fw_name = driver_data->firmware; + const char fw_name[] = RENESAS_FW_NAME; const struct firmware *fw; bool has_rom; int err; @@ -625,6 +626,41 @@ exit: release_firmware(fw); return err; } -EXPORT_SYMBOL_GPL(renesas_xhci_check_request_fw); +static int +xhci_pci_renesas_probe(struct pci_dev *dev, const struct pci_device_id *id) +{ + int retval; + + retval = renesas_xhci_check_request_fw(dev, id); + if (retval) + return retval; + + return xhci_pci_common_probe(dev, id); +} + +static const struct pci_device_id pci_ids[] = { + { PCI_DEVICE(PCI_VENDOR_ID_RENESAS, 0x0014) }, + { PCI_DEVICE(PCI_VENDOR_ID_RENESAS, 0x0015) }, + { /* end: all zeroes */ } +}; +MODULE_DEVICE_TABLE(pci, pci_ids); + +static struct pci_driver xhci_renesas_pci_driver = { + .name = "xhci-pci-renesas", + .id_table = pci_ids, + + .probe = xhci_pci_renesas_probe, + .remove = xhci_pci_remove, + + .shutdown = usb_hcd_pci_shutdown, + .driver = { + .pm = pm_ptr(&usb_hcd_pci_pm_ops), + }, +}; +module_pci_driver(xhci_renesas_pci_driver); + +MODULE_DESCRIPTION("Renesas xHCI PCI Host Controller Driver"); +MODULE_FIRMWARE(RENESAS_FW_NAME); +MODULE_IMPORT_NS("xhci"); MODULE_LICENSE("GPL v2"); |