On Thu, Jul 17, 2008 at 10:54 AM, Dan Williams <dcbw@xxxxxxxxxx> wrote: > On Wed, 2008-07-16 at 10:28 -0700, Brian Cavagnolo wrote: >> To use these features, copy the boot2 and firmware images to /lib/firmware and: >> >> echo <boot2_image_name> > /sys/class/net/ethX/lbs_boot2 >> echo <firmware_image_name> > /sys/class/net/ethX/lbs_fw > > Perhaps "lbs_flash_boot2" and "lbs_flash_fw" would be better names here? > Otherwise it looks like one of the drivers that you can choose alternate > firmware for (atmel.c for example) and doesn't give any indication that > it'll permanently change what's on the dongle. Sounds good. I'll fix that and resubmit. Ciao, Brian >> Signed-off-by: Brian Cavagnolo <brian@xxxxxxxxxxx> >> --- >> drivers/net/wireless/libertas/if_usb.c | 71 ++++++++++++++++++++++++++++++++ >> 1 files changed, 71 insertions(+), 0 deletions(-) >> >> diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c >> index e83a4c2..c89785c 100644 >> --- a/drivers/net/wireless/libertas/if_usb.c >> +++ b/drivers/net/wireless/libertas/if_usb.c >> @@ -51,6 +51,68 @@ static void if_usb_free(struct if_usb_card *cardp); >> static int if_usb_submit_rx_urb(struct if_usb_card *cardp); >> static int if_usb_reset_device(struct if_usb_card *cardp); >> >> +/* sysfs hooks */ >> + >> +/** >> + * Set function to write firmware to device's persistent memory >> + */ >> +static ssize_t if_usb_firmware_set(struct device *dev, >> + struct device_attribute *attr, const char *buf, size_t count) >> +{ >> + struct lbs_private *priv = to_net_dev(dev)->priv; >> + struct if_usb_card *cardp = priv->card; >> + char fwname[FIRMWARE_NAME_MAX]; >> + int ret; >> + >> + if (!(priv->fwcapinfo & FW_CAPINFO_FIRMWARE_UPGRADE)) >> + return -EOPNOTSUPP; >> + >> + sscanf(buf, "%29s", fwname); /* FIRMWARE_NAME_MAX - 1 = 29 */ >> + ret = if_usb_prog_firmware(cardp, fwname, BOOT_CMD_UPDATE_FW); >> + if (ret == 0) >> + return count; >> + >> + return ret; >> +} >> + >> +/** >> + * lbs_fw attribute to be exported per ethX interface through sysfs >> + * (/sys/class/net/ethX/lbs_fw). Use this like so to write firmware to the >> + * device's persistent memory: >> + * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_fw >> + */ >> +static DEVICE_ATTR(lbs_fw, 0200, NULL, if_usb_firmware_set); >> + >> +/** >> + * Set function to write firmware to device's persistent memory >> + */ >> +static ssize_t if_usb_boot2_set(struct device *dev, >> + struct device_attribute *attr, const char *buf, size_t count) >> +{ >> + struct lbs_private *priv = to_net_dev(dev)->priv; >> + struct if_usb_card *cardp = priv->card; >> + char fwname[FIRMWARE_NAME_MAX]; >> + int ret; >> + >> + if (!(priv->fwcapinfo & FW_CAPINFO_BOOT2_UPGRADE)) >> + return -EOPNOTSUPP; >> + >> + sscanf(buf, "%29s", fwname); /* FIRMWARE_NAME_MAX - 1 = 29 */ >> + ret = if_usb_prog_firmware(cardp, fwname, BOOT_CMD_UPDATE_BOOT2); >> + if (ret == 0) >> + return count; >> + >> + return ret; >> +} >> + >> +/** >> + * lbs_boot2 attribute to be exported per ethX interface through sysfs >> + * (/sys/class/net/ethX/lbs_boot2). Use this like so to write firmware to the >> + * device's persistent memory: >> + * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_boot2 >> + */ >> +static DEVICE_ATTR(lbs_boot2, 0200, NULL, if_usb_boot2_set); >> + >> /** >> * @brief call back function to handle the status of the URB >> * @param urb pointer to urb structure >> @@ -263,6 +325,12 @@ static int if_usb_probe(struct usb_interface *intf, >> usb_get_dev(udev); >> usb_set_intfdata(intf, cardp); >> >> + if (device_create_file(&priv->dev->dev, &dev_attr_lbs_fw)) >> + lbs_pr_err("cannot register lbs_fw attribute\n"); >> + >> + if (device_create_file(&priv->dev->dev, &dev_attr_lbs_boot2)) >> + lbs_pr_err("cannot register lbs_boot2 attribute\n"); >> + >> return 0; >> >> err_start_card: >> @@ -288,6 +356,9 @@ static void if_usb_disconnect(struct usb_interface *intf) >> >> lbs_deb_enter(LBS_DEB_MAIN); >> >> + device_remove_file(&priv->dev->dev, &dev_attr_lbs_boot2); >> + device_remove_file(&priv->dev->dev, &dev_attr_lbs_fw); >> + >> cardp->surprise_removed = 1; >> >> if (priv) { > > -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html