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author | Frank Mori Hess <fmhess@users.sourceforge.net> | 2009-04-14 12:59:47 -0400 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-06-19 11:00:31 -0700 |
commit | c5331be12e76679eebd91f0a6a8d58fe76e75b38 (patch) | |
tree | a09166c591b7d948354903cc3325ba635118112e /drivers/staging/comedi | |
parent | 883db3d9bb4d50f05cbb8b5197f6aef10c1231a9 (diff) | |
download | kernel_samsung_smdk4412-c5331be12e76679eebd91f0a6a8d58fe76e75b38.zip kernel_samsung_smdk4412-c5331be12e76679eebd91f0a6a8d58fe76e75b38.tar.gz kernel_samsung_smdk4412-c5331be12e76679eebd91f0a6a8d58fe76e75b38.tar.bz2 |
Staging: comedi: jr3_pci: Use struct device from pci_dev for firmware loading.
Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/comedi')
-rw-r--r-- | drivers/staging/comedi/drivers/jr3_pci.c | 84 |
1 files changed, 35 insertions, 49 deletions
diff --git a/drivers/staging/comedi/drivers/jr3_pci.c b/drivers/staging/comedi/drivers/jr3_pci.c index ec5d918..c360492 100644 --- a/drivers/staging/comedi/drivers/jr3_pci.c +++ b/drivers/staging/comedi/drivers/jr3_pci.c @@ -48,55 +48,6 @@ Devices: [JR3] PCI force sensor board (jr3_pci) #include "comedi_pci.h" #include "jr3_pci.h" -/* Hotplug firmware loading stuff */ - -static void comedi_fw_release(struct device *dev) -{ - printk(KERN_DEBUG "firmware_sample_driver: ghost_release\n"); -} - -static struct device comedi_fw_device = { - .init_name = "comedi", - .release = comedi_fw_release -}; - -typedef int comedi_firmware_callback(struct comedi_device * dev, - const u8 * data, size_t size); - -static int comedi_load_firmware(struct comedi_device * dev, - char *name, comedi_firmware_callback cb) -{ - int result = 0; - const struct firmware *fw; - char *firmware_path; - static const char *prefix = "comedi/"; - - firmware_path = kmalloc(strlen(prefix) + strlen(name) + 1, GFP_KERNEL); - if (!firmware_path) { - result = -ENOMEM; - } else { - firmware_path[0] = '\0'; - strcat(firmware_path, prefix); - strcat(firmware_path, name); - result = device_register(&comedi_fw_device); - if (result == 0) { - result = request_firmware(&fw, firmware_path, - &comedi_fw_device); - if (result == 0) { - if (!cb) { - result = -EINVAL; - } else { - result = cb(dev, fw->data, fw->size); - } - release_firmware(fw); - } - device_unregister(&comedi_fw_device); - } - kfree(firmware_path); - } - return result; -} - #define PCI_VENDOR_ID_JR3 0x1762 #define PCI_DEVICE_ID_JR3_1_CHANNEL 0x3111 #define PCI_DEVICE_ID_JR3_2_CHANNEL 0x3112 @@ -168,6 +119,41 @@ struct jr3_pci_subdev_private { int retries; }; +/* Hotplug firmware loading stuff */ + +typedef int comedi_firmware_callback(struct comedi_device *dev, + const u8 *data, size_t size); + +static int comedi_load_firmware(struct comedi_device *dev, char *name, + comedi_firmware_callback cb) +{ + int result = 0; + const struct firmware *fw; + char *firmware_path; + static const char *prefix = "comedi/"; + struct jr3_pci_dev_private *devpriv = dev->private; + + firmware_path = kmalloc(strlen(prefix) + strlen(name) + 1, GFP_KERNEL); + if (!firmware_path) { + result = -ENOMEM; + } else { + firmware_path[0] = '\0'; + strcat(firmware_path, prefix); + strcat(firmware_path, name); + result = request_firmware(&fw, firmware_path, + &devpriv->pci_dev->dev); + if (result == 0) { + if (!cb) + result = -EINVAL; + else + result = cb(dev, fw->data, fw->size); + release_firmware(fw); + } + kfree(firmware_path); + } + return result; +} + static struct poll_delay_t poll_delay_min_max(int min, int max) { struct poll_delay_t result; |