summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/libertas/Makefile1
-rw-r--r--drivers/net/wireless/libertas/decl.h3
-rw-r--r--drivers/net/wireless/libertas/firmware.c79
-rw-r--r--drivers/net/wireless/libertas/if_cs.c4
-rw-r--r--drivers/net/wireless/libertas/if_sdio.c25
-rw-r--r--drivers/net/wireless/libertas/if_spi.c5
-rw-r--r--drivers/net/wireless/libertas/if_usb.c169
-rw-r--r--drivers/net/wireless/libertas/main.c101
8 files changed, 94 insertions, 293 deletions
diff --git a/drivers/net/wireless/libertas/Makefile b/drivers/net/wireless/libertas/Makefile
index f7d01bfa2e4a..eac72f7bd341 100644
--- a/drivers/net/wireless/libertas/Makefile
+++ b/drivers/net/wireless/libertas/Makefile
@@ -6,6 +6,7 @@ libertas-y += ethtool.o
libertas-y += main.o
libertas-y += rx.o
libertas-y += tx.o
+libertas-y += firmware.o
libertas-$(CONFIG_LIBERTAS_MESH) += mesh.o
usb8xxx-objs += if_usb.o
diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h
index bc951ab4b681..2fb2e31733ee 100644
--- a/drivers/net/wireless/libertas/decl.h
+++ b/drivers/net/wireless/libertas/decl.h
@@ -66,8 +66,7 @@ int lbs_exit_auto_deep_sleep(struct lbs_private *priv);
u32 lbs_fw_index_to_data_rate(u8 index);
u8 lbs_data_rate_to_fw_index(u32 rate);
-int lbs_get_firmware(struct device *dev, const char *user_helper,
- const char *user_mainfw, u32 card_model,
+int lbs_get_firmware(struct device *dev, u32 card_model,
const struct lbs_fw_table *fw_table,
const struct firmware **helper,
const struct firmware **mainfw);
diff --git a/drivers/net/wireless/libertas/firmware.c b/drivers/net/wireless/libertas/firmware.c
new file mode 100644
index 000000000000..0c8c845b4901
--- /dev/null
+++ b/drivers/net/wireless/libertas/firmware.c
@@ -0,0 +1,79 @@
+/*
+ * Firmware loading and handling functions.
+ */
+
+#include <linux/firmware.h>
+#include <linux/module.h>
+
+#include "decl.h"
+
+/**
+ * lbs_get_firmware - Retrieves two-stage firmware
+ *
+ * @dev: A pointer to &device structure
+ * @card_model: Bus-specific card model ID used to filter firmware table
+ * elements
+ * @fw_table: Table of firmware file names and device model numbers
+ * terminated by an entry with a NULL helper name
+ * @helper: On success, the helper firmware; caller must free
+ * @mainfw: On success, the main firmware; caller must free
+ *
+ * returns: 0 on success, non-zero on failure
+ */
+int lbs_get_firmware(struct device *dev, u32 card_model,
+ const struct lbs_fw_table *fw_table,
+ const struct firmware **helper,
+ const struct firmware **mainfw)
+{
+ const struct lbs_fw_table *iter;
+ int ret;
+
+ BUG_ON(helper == NULL);
+ BUG_ON(mainfw == NULL);
+
+ /* Search for firmware to use from the table. */
+ iter = fw_table;
+ while (iter && iter->helper) {
+ if (iter->model != card_model)
+ goto next;
+
+ if (*helper == NULL) {
+ ret = request_firmware(helper, iter->helper, dev);
+ if (ret)
+ goto next;
+
+ /* If the device has one-stage firmware (ie cf8305) and
+ * we've got it then we don't need to bother with the
+ * main firmware.
+ */
+ if (iter->fwname == NULL)
+ return 0;
+ }
+
+ if (*mainfw == NULL) {
+ ret = request_firmware(mainfw, iter->fwname, dev);
+ if (ret) {
+ /* Clear the helper to ensure we don't have
+ * mismatched firmware pairs.
+ */
+ release_firmware(*helper);
+ *helper = NULL;
+ }
+ }
+
+ if (*helper && *mainfw)
+ return 0;
+
+ next:
+ iter++;
+ }
+
+ /* Failed */
+ release_firmware(*helper);
+ *helper = NULL;
+ release_firmware(*mainfw);
+ *mainfw = NULL;
+
+ return -ENOENT;
+}
+EXPORT_SYMBOL_GPL(lbs_get_firmware);
diff --git a/drivers/net/wireless/libertas/if_cs.c b/drivers/net/wireless/libertas/if_cs.c
index 171a06b8879d..cee50528522b 100644
--- a/drivers/net/wireless/libertas/if_cs.c
+++ b/drivers/net/wireless/libertas/if_cs.c
@@ -890,8 +890,8 @@ static int if_cs_probe(struct pcmcia_device *p_dev)
goto out2;
}
- ret = lbs_get_firmware(&p_dev->dev, NULL, NULL, card->model,
- &fw_table[0], &helper, &mainfw);
+ ret = lbs_get_firmware(&p_dev->dev, card->model, &fw_table[0],
+ &helper, &mainfw);
if (ret) {
pr_err("failed to find firmware (%d)\n", ret);
goto out2;
diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
index 15bfe2f589f7..6590febb366b 100644
--- a/drivers/net/wireless/libertas/if_sdio.c
+++ b/drivers/net/wireless/libertas/if_sdio.c
@@ -65,12 +65,6 @@ static void if_sdio_interrupt(struct sdio_func *func);
*/
static u8 user_rmmod;
-static char *lbs_helper_name = NULL;
-module_param_named(helper_name, lbs_helper_name, charp, 0644);
-
-static char *lbs_fw_name = NULL;
-module_param_named(fw_name, lbs_fw_name, charp, 0644);
-
static const struct sdio_device_id if_sdio_ids[] = {
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL,
SDIO_DEVICE_ID_MARVELL_LIBERTAS) },
@@ -124,11 +118,6 @@ struct if_sdio_card {
unsigned long ioport;
unsigned int scratch_reg;
- const char *helper;
- const char *firmware;
- bool helper_allocated;
- bool firmware_allocated;
-
u8 buffer[65536] __attribute__((aligned(4)));
spinlock_t lock;
@@ -725,8 +714,8 @@ static int if_sdio_prog_firmware(struct if_sdio_card *card)
goto success;
}
- ret = lbs_get_firmware(&card->func->dev, lbs_helper_name, lbs_fw_name,
- card->model, &fw_table[0], &helper, &mainfw);
+ ret = lbs_get_firmware(&card->func->dev, card->model, &fw_table[0],
+ &helper, &mainfw);
if (ret) {
pr_err("failed to find firmware (%d)\n", ret);
goto out;
@@ -1242,10 +1231,6 @@ free:
kfree(packet);
}
- if (card->helper_allocated)
- kfree(card->helper);
- if (card->firmware_allocated)
- kfree(card->firmware);
kfree(card);
goto out;
@@ -1293,12 +1278,6 @@ static void if_sdio_remove(struct sdio_func *func)
kfree(packet);
}
- if (card->helper_allocated)
- kfree(card->helper);
- if (card->firmware_allocated)
- kfree(card->firmware);
- kfree(card);
-
lbs_deb_leave(LBS_DEB_SDIO);
}
diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c
index 7a5df4f4cb7c..9604a1c4a74d 100644
--- a/drivers/net/wireless/libertas/if_spi.c
+++ b/drivers/net/wireless/libertas/if_spi.c
@@ -1064,9 +1064,8 @@ static int if_spi_init_card(struct if_spi_card *card)
goto out;
}
- err = lbs_get_firmware(&card->spi->dev, NULL, NULL,
- card->card_id, &fw_table[0], &helper,
- &mainfw);
+ err = lbs_get_firmware(&card->spi->dev, card->card_id,
+ &fw_table[0], &helper, &mainfw);
if (err) {
netdev_err(priv->dev, "failed to find firmware (%d)\n",
err);
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index ce4938dec2ca..f29471b80603 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -29,9 +29,6 @@
#define MESSAGE_HEADER_LEN 4
-static char *lbs_fw_name = NULL;
-module_param_named(fw_name, lbs_fw_name, charp, 0644);
-
MODULE_FIRMWARE("libertas/usb8388_v9.bin");
MODULE_FIRMWARE("libertas/usb8388_v5.bin");
MODULE_FIRMWARE("libertas/usb8388.bin");
@@ -55,10 +52,7 @@ MODULE_DEVICE_TABLE(usb, if_usb_table);
static void if_usb_receive(struct urb *urb);
static void if_usb_receive_fwload(struct urb *urb);
-static int __if_usb_prog_firmware(struct if_usb_card *cardp,
- const char *fwname, int cmd);
-static int if_usb_prog_firmware(struct if_usb_card *cardp,
- const char *fwname, int cmd);
+static int if_usb_prog_firmware(struct if_usb_card *cardp);
static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type,
uint8_t *payload, uint16_t nb);
static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload,
@@ -67,69 +61,6 @@ 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)->ml_priv;
- struct if_usb_card *cardp = priv->card;
- int ret;
-
- BUG_ON(buf == NULL);
-
- ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_FW);
- if (ret == 0)
- return count;
-
- return ret;
-}
-
-/*
- * lbs_flash_fw attribute to be exported per ethX interface through sysfs
- * (/sys/class/net/ethX/lbs_flash_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_flash_fw
- */
-static DEVICE_ATTR(lbs_flash_fw, 0200, NULL, if_usb_firmware_set);
-
-/**
- * if_usb_boot2_set - write firmware to device's persistent memory
- *
- * @dev: target device
- * @attr: device attributes
- * @buf: firmware buffer to write
- * @count: number of bytes to write
- *
- * returns: number of bytes written or negative error code
- */
-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)->ml_priv;
- struct if_usb_card *cardp = priv->card;
- int ret;
-
- BUG_ON(buf == NULL);
-
- ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_BOOT2);
- if (ret == 0)
- return count;
-
- return ret;
-}
-
-/*
- * lbs_flash_boot2 attribute to be exported per ethX interface through sysfs
- * (/sys/class/net/ethX/lbs_flash_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_flash_boot2
- */
-static DEVICE_ATTR(lbs_flash_boot2, 0200, NULL, if_usb_boot2_set);
-
/**
* if_usb_write_bulk_callback - callback function to handle the status
* of the URB
@@ -314,13 +245,10 @@ static int if_usb_probe(struct usb_interface *intf,
}
/* Upload firmware */
- kparam_block_sysfs_write(fw_name);
- if (__if_usb_prog_firmware(cardp, lbs_fw_name, BOOT_CMD_FW_BY_USB)) {
- kparam_unblock_sysfs_write(fw_name);
+ if (if_usb_prog_firmware(cardp)) {
lbs_deb_usbd(&udev->dev, "FW upload failed\n");
goto err_prog_firmware;
}
- kparam_unblock_sysfs_write(fw_name);
if (!(priv = lbs_add_card(cardp, &intf->dev)))
goto err_prog_firmware;
@@ -349,14 +277,6 @@ 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_flash_fw))
- netdev_err(priv->dev,
- "cannot register lbs_flash_fw attribute\n");
-
- if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2))
- netdev_err(priv->dev,
- "cannot register lbs_flash_boot2 attribute\n");
-
/*
* EHS_REMOVE_WAKEUP is not supported on all versions of the firmware.
*/
@@ -389,9 +309,6 @@ static void if_usb_disconnect(struct usb_interface *intf)
lbs_deb_enter(LBS_DEB_MAIN);
- device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2);
- device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_fw);
-
cardp->surprise_removed = 1;
if (priv) {
@@ -912,58 +829,12 @@ static int check_fwfile_format(const uint8_t *data, uint32_t totlen)
return ret;
}
-
-/**
-* if_usb_prog_firmware - programs the firmware subject to cmd
-*
-* @cardp: the if_usb_card descriptor
-* @fwname: firmware or boot2 image file name
-* @cmd: either BOOT_CMD_FW_BY_USB, BOOT_CMD_UPDATE_FW,
-* or BOOT_CMD_UPDATE_BOOT2.
-* returns: 0 or error code
-*/
-static int if_usb_prog_firmware(struct if_usb_card *cardp,
- const char *fwname, int cmd)
-{
- struct lbs_private *priv = cardp->priv;
- unsigned long flags, caps;
- int ret;
-
- caps = priv->fwcapinfo;
- if (((cmd == BOOT_CMD_UPDATE_FW) && !(caps & FW_CAPINFO_FIRMWARE_UPGRADE)) ||
- ((cmd == BOOT_CMD_UPDATE_BOOT2) && !(caps & FW_CAPINFO_BOOT2_UPGRADE)))
- return -EOPNOTSUPP;
-
- /* Ensure main thread is idle. */
- spin_lock_irqsave(&priv->driver_lock, flags);
- while (priv->cur_cmd != NULL || priv->dnld_sent != DNLD_RES_RECEIVED) {
- spin_unlock_irqrestore(&priv->driver_lock, flags);
- if (wait_event_interruptible(priv->waitq,
- (priv->cur_cmd == NULL &&
- priv->dnld_sent == DNLD_RES_RECEIVED))) {
- return -ERESTARTSYS;
- }
- spin_lock_irqsave(&priv->driver_lock, flags);
- }
- priv->dnld_sent = DNLD_BOOTCMD_SENT;
- spin_unlock_irqrestore(&priv->driver_lock, flags);
-
- ret = __if_usb_prog_firmware(cardp, fwname, cmd);
-
- spin_lock_irqsave(&priv->driver_lock, flags);
- priv->dnld_sent = DNLD_RES_RECEIVED;
- spin_unlock_irqrestore(&priv->driver_lock, flags);
-
- wake_up(&priv->waitq);
-
- return ret;
-}
-
/* table of firmware file names */
static const struct {
u32 model;
const char *fwname;
} fw_table[] = {
+ { MODEL_8388, "libertas/usb8388_olpc.bin" },
{ MODEL_8388, "libertas/usb8388_v9.bin" },
{ MODEL_8388, "libertas/usb8388_v5.bin" },
{ MODEL_8388, "libertas/usb8388.bin" },
@@ -971,35 +842,10 @@ static const struct {
{ MODEL_8682, "libertas/usb8682.bin" }
};
-#ifdef CONFIG_OLPC
-
-static int try_olpc_fw(struct if_usb_card *cardp)
-{
- int retval = -ENOENT;
-
- /* try the OLPC firmware first; fall back to fw_table list */
- if (machine_is_olpc() && cardp->model == MODEL_8388)
- retval = request_firmware(&cardp->fw,
- "libertas/usb8388_olpc.bin", &cardp->udev->dev);
- return retval;
-}
-
-#else
-static int try_olpc_fw(struct if_usb_card *cardp) { return -ENOENT; }
-#endif /* !CONFIG_OLPC */
-
-static int get_fw(struct if_usb_card *cardp, const char *fwname)
+static int get_fw(struct if_usb_card *cardp)
{
int i;
- /* Try user-specified firmware first */
- if (fwname)
- return request_firmware(&cardp->fw, fwname, &cardp->udev->dev);
-
- /* Handle OLPC firmware */
- if (try_olpc_fw(cardp) == 0)
- return 0;
-
/* Otherwise search for firmware to use */
for (i = 0; i < ARRAY_SIZE(fw_table); i++) {
if (fw_table[i].model != cardp->model)
@@ -1012,8 +858,7 @@ static int get_fw(struct if_usb_card *cardp, const char *fwname)
return -ENOENT;
}
-static int __if_usb_prog_firmware(struct if_usb_card *cardp,
- const char *fwname, int cmd)
+static int if_usb_prog_firmware(struct if_usb_card *cardp)
{
int i = 0;
static int reset_count = 10;
@@ -1021,7 +866,7 @@ static int __if_usb_prog_firmware(struct if_usb_card *cardp,
lbs_deb_enter(LBS_DEB_USB);
- ret = get_fw(cardp, fwname);
+ ret = get_fw(cardp);
if (ret) {
pr_err("failed to find firmware (%d)\n", ret);
goto done;
@@ -1053,7 +898,7 @@ restart:
do {
int j = 0;
i++;
- if_usb_issue_boot_command(cardp, cmd);
+ if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB);
/* wait for command response */
do {
j++;
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 3b81b709bf9e..fa095851f214 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -1177,107 +1177,6 @@ void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx)
}
EXPORT_SYMBOL_GPL(lbs_notify_command_response);
-/**
- * lbs_get_firmware - Retrieves two-stage firmware
- *
- * @dev: A pointer to &device structure
- * @user_helper: User-defined helper firmware file
- * @user_mainfw: User-defined main firmware file
- * @card_model: Bus-specific card model ID used to filter firmware table
- * elements
- * @fw_table: Table of firmware file names and device model numbers
- * terminated by an entry with a NULL helper name
- * @helper: On success, the helper firmware; caller must free
- * @mainfw: On success, the main firmware; caller must free
- *
- * returns: 0 on success, non-zero on failure
- */
-int lbs_get_firmware(struct device *dev, const char *user_helper,
- const char *user_mainfw, u32 card_model,
- const struct lbs_fw_table *fw_table,
- const struct firmware **helper,
- const struct firmware **mainfw)
-{
- const struct lbs_fw_table *iter;
- int ret;
-
- BUG_ON(helper == NULL);
- BUG_ON(mainfw == NULL);
-
- /* Try user-specified firmware first */
- if (user_helper) {
- ret = request_firmware(helper, user_helper, dev);
- if (ret) {
- dev_err(dev, "couldn't find helper firmware %s\n",
- user_helper);
- goto fail;
- }
- }
- if (user_mainfw) {
- ret = request_firmware(mainfw, user_mainfw, dev);
- if (ret) {
- dev_err(dev, "couldn't find main firmware %s\n",
- user_mainfw);
- goto fail;
- }
- }
-
- if (*helper && *mainfw)
- return 0;
-
- /* Otherwise search for firmware to use. If neither the helper or
- * the main firmware were specified by the user, then we need to
- * make sure that found helper & main are from the same entry in
- * fw_table.
- */
- iter = fw_table;
- while (iter && iter->helper) {
- if (iter->model != card_model)
- goto next;
-
- if (*helper == NULL) {
- ret = request_firmware(helper, iter->helper, dev);
- if (ret)
- goto next;
-
- /* If the device has one-stage firmware (ie cf8305) and
- * we've got it then we don't need to bother with the
- * main firmware.
- */
- if (iter->fwname == NULL)
- return 0;
- }
-
- if (*mainfw == NULL) {
- ret = request_firmware(mainfw, iter->fwname, dev);
- if (ret && !user_helper) {
- /* Clear the helper if it wasn't user-specified
- * and the main firmware load failed, to ensure
- * we don't have mismatched firmware pairs.
- */
- release_firmware(*helper);
- *helper = NULL;
- }
- }
-
- if (*helper && *mainfw)
- return 0;
-
- next:
- iter++;
- }
-
- fail:
- /* Failed */
- release_firmware(*helper);
- *helper = NULL;
- release_firmware(*mainfw);
- *mainfw = NULL;
-
- return -ENOENT;
-}
-EXPORT_SYMBOL_GPL(lbs_get_firmware);
-
static int __init lbs_init_module(void)
{
lbs_deb_enter(LBS_DEB_MAIN);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 17:15:00 +0000