* if_sdio_card_to_host() to pad the data.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kernel.h>
#include <linux/moduleparam.h>
+#include <linux/slab.h>
#include <linux/firmware.h>
#include <linux/netdevice.h>
#include <linux/delay.h>
#include <linux/mmc/card.h>
#include <linux/mmc/sdio_func.h>
#include <linux/mmc/sdio_ids.h>
+#include <linux/mmc/sdio.h>
+#include <linux/mmc/host.h>
#include "host.h"
#include "decl.h"
MODULE_DEVICE_TABLE(sdio, if_sdio_ids);
-struct if_sdio_model {
- int model;
- const char *helper;
- const char *firmware;
-};
-
-static struct if_sdio_model if_sdio_models[] = {
- {
- /* 8385 */
- .model = IF_SDIO_MODEL_8385,
- .helper = "sd8385_helper.bin",
- .firmware = "sd8385.bin",
- },
- {
- /* 8686 */
- .model = IF_SDIO_MODEL_8686,
- .helper = "sd8686_helper.bin",
- .firmware = "sd8686.bin",
- },
- {
- /* 8688 */
- .model = IF_SDIO_MODEL_8688,
- .helper = "sd8688_helper.bin",
- .firmware = "sd8688.bin",
- },
+#define MODEL_8385 0x04
+#define MODEL_8686 0x0b
+#define MODEL_8688 0x10
+
+static const struct lbs_fw_table fw_table[] = {
+ { MODEL_8385, "libertas/sd8385_helper.bin", "libertas/sd8385.bin" },
+ { MODEL_8385, "sd8385_helper.bin", "sd8385.bin" },
+ { MODEL_8686, "libertas/sd8686_v9_helper.bin", "libertas/sd8686_v9.bin" },
+ { MODEL_8686, "libertas/sd8686_v8_helper.bin", "libertas/sd8686_v8.bin" },
+ { MODEL_8686, "sd8686_helper.bin", "sd8686.bin" },
+ { MODEL_8688, "libertas/sd8688_helper.bin", "libertas/sd8688.bin" },
+ { MODEL_8688, "sd8688_helper.bin", "sd8688.bin" },
+ { 0, NULL, NULL }
};
+MODULE_FIRMWARE("libertas/sd8385_helper.bin");
+MODULE_FIRMWARE("libertas/sd8385.bin");
+MODULE_FIRMWARE("sd8385_helper.bin");
+MODULE_FIRMWARE("sd8385.bin");
+MODULE_FIRMWARE("libertas/sd8686_v9_helper.bin");
+MODULE_FIRMWARE("libertas/sd8686_v9.bin");
+MODULE_FIRMWARE("libertas/sd8686_v8_helper.bin");
+MODULE_FIRMWARE("libertas/sd8686_v8.bin");
+MODULE_FIRMWARE("sd8686_helper.bin");
+MODULE_FIRMWARE("sd8686.bin");
+MODULE_FIRMWARE("libertas/sd8688_helper.bin");
+MODULE_FIRMWARE("libertas/sd8688.bin");
+MODULE_FIRMWARE("sd8688_helper.bin");
+MODULE_FIRMWARE("sd8688.bin");
struct if_sdio_packet {
struct if_sdio_packet *next;
const char *helper;
const char *firmware;
+ bool helper_allocated;
+ bool firmware_allocated;
- u8 buffer[65536];
+ u8 buffer[65536] __attribute__((aligned(4)));
spinlock_t lock;
struct if_sdio_packet *packets;
u16 rx_len;
switch (card->model) {
- case IF_SDIO_MODEL_8385:
- case IF_SDIO_MODEL_8686:
+ case MODEL_8385:
+ case MODEL_8686:
rx_len = if_sdio_read_scratch(card, &ret);
break;
- case IF_SDIO_MODEL_8688:
+ case MODEL_8688:
default: /* for newer chipsets */
rx_len = sdio_readb(card->func, IF_SDIO_RX_LEN, &ret);
if (!ret)
lbs_deb_enter(LBS_DEB_SDIO);
- if (card->model == IF_SDIO_MODEL_8385) {
+ if (card->model == MODEL_8385) {
event = sdio_readb(card->func, IF_SDIO_EVENT, &ret);
if (ret)
goto out;
return ret;
}
+static int if_sdio_wait_status(struct if_sdio_card *card, const u8 condition)
+{
+ u8 status;
+ unsigned long timeout;
+ int ret = 0;
+
+ timeout = jiffies + HZ;
+ while (1) {
+ status = sdio_readb(card->func, IF_SDIO_STATUS, &ret);
+ if (ret)
+ return ret;
+ if ((status & condition) == condition)
+ break;
+ if (time_after(jiffies, timeout))
+ return -ETIMEDOUT;
+ mdelay(1);
+ }
+ return ret;
+}
+
static int if_sdio_card_to_host(struct if_sdio_card *card)
{
int ret;
- u8 status;
u16 size, type, chunk;
- unsigned long timeout;
lbs_deb_enter(LBS_DEB_SDIO);
goto out;
}
- timeout = jiffies + HZ;
- while (1) {
- status = sdio_readb(card->func, IF_SDIO_STATUS, &ret);
- if (ret)
- goto out;
- if (status & IF_SDIO_IO_RDY)
- break;
- if (time_after(jiffies, timeout)) {
- ret = -ETIMEDOUT;
- goto out;
- }
- mdelay(1);
- }
+ ret = if_sdio_wait_status(card, IF_SDIO_IO_RDY);
+ if (ret)
+ goto out;
/*
* The transfer must be in one transaction or the firmware
out:
if (ret)
- lbs_pr_err("problem fetching packet from firmware\n");
+ pr_err("problem fetching packet from firmware\n");
lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
{
struct if_sdio_card *card;
struct if_sdio_packet *packet;
- unsigned long timeout;
- u8 status;
int ret;
unsigned long flags;
sdio_claim_host(card->func);
- timeout = jiffies + HZ;
- while (1) {
- status = sdio_readb(card->func, IF_SDIO_STATUS, &ret);
- if (ret)
- goto release;
- if (status & IF_SDIO_IO_RDY)
- break;
- if (time_after(jiffies, timeout)) {
- ret = -ETIMEDOUT;
- goto release;
- }
- mdelay(1);
+ ret = if_sdio_wait_status(card, IF_SDIO_IO_RDY);
+ if (ret == 0) {
+ ret = sdio_writesb(card->func, card->ioport,
+ packet->buffer, packet->nb);
}
- ret = sdio_writesb(card->func, card->ioport,
- packet->buffer, packet->nb);
if (ret)
- goto release;
-release:
+ pr_err("error %d sending packet to firmware\n", ret);
+
sdio_release_host(card->func);
kfree(packet);
/* Firmware */
/********************************************************************/
-static int if_sdio_prog_helper(struct if_sdio_card *card)
+#define FW_DL_READY_STATUS (IF_SDIO_IO_RDY | IF_SDIO_DL_RDY)
+
+static int if_sdio_prog_helper(struct if_sdio_card *card,
+ const struct firmware *fw)
{
int ret;
- u8 status;
- const struct firmware *fw;
unsigned long timeout;
u8 *chunk_buffer;
u32 chunk_size;
lbs_deb_enter(LBS_DEB_SDIO);
- ret = request_firmware(&fw, card->helper, &card->func->dev);
- if (ret) {
- lbs_pr_err("can't load helper firmware\n");
- goto out;
- }
-
chunk_buffer = kzalloc(64, GFP_KERNEL);
if (!chunk_buffer) {
ret = -ENOMEM;
- goto release_fw;
+ goto out;
}
sdio_claim_host(card->func);
size = fw->size;
while (size) {
- timeout = jiffies + HZ;
- while (1) {
- status = sdio_readb(card->func, IF_SDIO_STATUS, &ret);
- if (ret)
- goto release;
- if ((status & IF_SDIO_IO_RDY) &&
- (status & IF_SDIO_DL_RDY))
- break;
- if (time_after(jiffies, timeout)) {
- ret = -ETIMEDOUT;
- goto release;
- }
- mdelay(1);
- }
+ ret = if_sdio_wait_status(card, FW_DL_READY_STATUS);
+ if (ret)
+ goto release;
+
+ /* On some platforms (like Davinci) the chip needs more time
+ * between helper blocks.
+ */
+ mdelay(2);
chunk_size = min(size, (size_t)60);
release:
sdio_release_host(card->func);
kfree(chunk_buffer);
-release_fw:
- release_firmware(fw);
out:
if (ret)
- lbs_pr_err("failed to load helper firmware\n");
+ pr_err("failed to load helper firmware\n");
lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
-
return ret;
}
-static int if_sdio_prog_real(struct if_sdio_card *card)
+static int if_sdio_prog_real(struct if_sdio_card *card,
+ const struct firmware *fw)
{
int ret;
- u8 status;
- const struct firmware *fw;
unsigned long timeout;
u8 *chunk_buffer;
u32 chunk_size;
lbs_deb_enter(LBS_DEB_SDIO);
- ret = request_firmware(&fw, card->firmware, &card->func->dev);
- if (ret) {
- lbs_pr_err("can't load firmware\n");
- goto out;
- }
-
chunk_buffer = kzalloc(512, GFP_KERNEL);
if (!chunk_buffer) {
ret = -ENOMEM;
- goto release_fw;
+ goto out;
}
sdio_claim_host(card->func);
size = fw->size;
while (size) {
- timeout = jiffies + HZ;
- while (1) {
- status = sdio_readb(card->func, IF_SDIO_STATUS, &ret);
- if (ret)
- goto release;
- if ((status & IF_SDIO_IO_RDY) &&
- (status & IF_SDIO_DL_RDY))
- break;
- if (time_after(jiffies, timeout)) {
- ret = -ETIMEDOUT;
- goto release;
- }
- mdelay(1);
- }
+ ret = if_sdio_wait_status(card, FW_DL_READY_STATUS);
+ if (ret)
+ goto release;
req_size = sdio_readb(card->func, IF_SDIO_RD_BASE, &ret);
if (ret)
release:
sdio_release_host(card->func);
kfree(chunk_buffer);
-release_fw:
- release_firmware(fw);
out:
if (ret)
- lbs_pr_err("failed to load firmware\n");
+ pr_err("failed to load firmware\n");
lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
-
return ret;
}
{
int ret;
u16 scratch;
+ const struct firmware *helper = NULL;
+ const struct firmware *mainfw = NULL;
lbs_deb_enter(LBS_DEB_SDIO);
+ /*
+ * Disable interrupts
+ */
+ sdio_claim_host(card->func);
+ sdio_writeb(card->func, 0x00, IF_SDIO_H_INT_MASK, &ret);
+ sdio_release_host(card->func);
+
sdio_claim_host(card->func);
scratch = if_sdio_read_scratch(card, &ret);
sdio_release_host(card->func);
+ lbs_deb_sdio("firmware status = %#x\n", scratch);
+ lbs_deb_sdio("scratch ret = %d\n", ret);
+
if (ret)
goto out;
- lbs_deb_sdio("firmware status = %#x\n", scratch);
+ /*
+ * The manual clearly describes that FEDC is the right code to use
+ * to detect firmware presence, but for SD8686 it is not that simple.
+ * Scratch is also used to store the RX packet length, so we lose
+ * the FEDC value early on. So we use a non-zero check in order
+ * to validate firmware presence.
+ * Additionally, the SD8686 in the Gumstix always has the high scratch
+ * bit set, even when the firmware is not loaded. So we have to
+ * exclude that from the test.
+ */
if (scratch == IF_SDIO_FIRMWARE_OK) {
lbs_deb_sdio("firmware already loaded\n");
goto success;
+ } else if ((card->model == MODEL_8686) && (scratch & 0x7fff)) {
+ lbs_deb_sdio("firmware may be running\n");
+ goto success;
+ }
+
+ ret = lbs_get_firmware(&card->func->dev, lbs_helper_name, lbs_fw_name,
+ card->model, &fw_table[0], &helper, &mainfw);
+ if (ret) {
+ pr_err("failed to find firmware (%d)\n", ret);
+ goto out;
}
- ret = if_sdio_prog_helper(card);
+ ret = if_sdio_prog_helper(card, helper);
if (ret)
goto out;
- ret = if_sdio_prog_real(card);
+ lbs_deb_sdio("Helper firmware loaded\n");
+
+ ret = if_sdio_prog_real(card, mainfw);
if (ret)
goto out;
+ lbs_deb_sdio("Firmware loaded\n");
+
success:
sdio_claim_host(card->func);
sdio_set_block_size(card->func, IF_SDIO_BLOCK_SIZE);
ret = 0;
out:
- lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
+ if (helper)
+ release_firmware(helper);
+ if (mainfw)
+ release_firmware(mainfw);
+ lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
return ret;
}
return ret;
}
+static int if_sdio_enter_deep_sleep(struct lbs_private *priv)
+{
+ int ret = -1;
+ struct cmd_header cmd;
+
+ memset(&cmd, 0, sizeof(cmd));
+
+ lbs_deb_sdio("send DEEP_SLEEP command\n");
+ ret = __lbs_cmd(priv, CMD_802_11_DEEP_SLEEP, &cmd, sizeof(cmd),
+ lbs_cmd_copyback, (unsigned long) &cmd);
+ if (ret)
+ netdev_err(priv->dev, "DEEP_SLEEP cmd failed\n");
+
+ mdelay(200);
+ return ret;
+}
+
+static int if_sdio_exit_deep_sleep(struct lbs_private *priv)
+{
+ struct if_sdio_card *card = priv->card;
+ int ret = -1;
+
+ lbs_deb_enter(LBS_DEB_SDIO);
+ sdio_claim_host(card->func);
+
+ sdio_writeb(card->func, HOST_POWER_UP, CONFIGURATION_REG, &ret);
+ if (ret)
+ netdev_err(priv->dev, "sdio_writeb failed!\n");
+
+ sdio_release_host(card->func);
+ lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
+ return ret;
+}
+
+static int if_sdio_reset_deep_sleep_wakeup(struct lbs_private *priv)
+{
+ struct if_sdio_card *card = priv->card;
+ int ret = -1;
+
+ lbs_deb_enter(LBS_DEB_SDIO);
+ sdio_claim_host(card->func);
+
+ sdio_writeb(card->func, 0, CONFIGURATION_REG, &ret);
+ if (ret)
+ netdev_err(priv->dev, "sdio_writeb failed!\n");
+
+ sdio_release_host(card->func);
+ lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
+ return ret;
+
+}
+
+static struct mmc_host *reset_host;
+
+static void if_sdio_reset_card_worker(struct work_struct *work)
+{
+ /*
+ * The actual reset operation must be run outside of lbs_thread. This
+ * is because mmc_remove_host() will cause the device to be instantly
+ * destroyed, and the libertas driver then needs to end lbs_thread,
+ * leading to a deadlock.
+ *
+ * We run it in a workqueue totally independent from the if_sdio_card
+ * instance for that reason.
+ */
+
+ pr_info("Resetting card...");
+ mmc_remove_host(reset_host);
+ mmc_add_host(reset_host);
+}
+static DECLARE_WORK(card_reset_work, if_sdio_reset_card_worker);
+
+static void if_sdio_reset_card(struct lbs_private *priv)
+{
+ struct if_sdio_card *card = priv->card;
+
+ if (work_pending(&card_reset_work))
+ return;
+
+ reset_host = card->func->card->host;
+ schedule_work(&card_reset_work);
+}
+
/*******************************************************************/
/* SDIO callbacks */
/*******************************************************************/
card = sdio_get_drvdata(func);
cause = sdio_readb(card->func, IF_SDIO_H_INT_STATUS, &ret);
- if (ret)
+ if (ret || !cause)
goto out;
lbs_deb_sdio("interrupt: 0x%X\n", (unsigned)cause);
* Ignore the define name, this really means the card has
* successfully received the command.
*/
+ card->priv->is_activity_detected = 1;
if (cause & IF_SDIO_H_INT_DNLD)
lbs_host_to_card_done(card->priv);
int ret, i;
unsigned int model;
struct if_sdio_packet *packet;
+ struct mmc_host *host = func->card->host;
lbs_deb_enter(LBS_DEB_SDIO);
"ID: %x", &model) == 1)
break;
if (!strcmp(func->card->info[i], "IBIS Wireless SDIO Card")) {
- model = IF_SDIO_MODEL_8385;
+ model = MODEL_8385;
break;
}
}
if (i == func->card->num_info) {
- lbs_pr_err("unable to identify card model\n");
+ pr_err("unable to identify card model\n");
return -ENODEV;
}
card->model = model;
switch (card->model) {
- case IF_SDIO_MODEL_8385:
+ case MODEL_8385:
card->scratch_reg = IF_SDIO_SCRATCH_OLD;
break;
- case IF_SDIO_MODEL_8686:
+ case MODEL_8686:
card->scratch_reg = IF_SDIO_SCRATCH;
break;
- case IF_SDIO_MODEL_8688:
+ case MODEL_8688:
default: /* for newer chipsets */
card->scratch_reg = IF_SDIO_FW_STATUS;
break;
card->workqueue = create_workqueue("libertas_sdio");
INIT_WORK(&card->packet_worker, if_sdio_host_to_card_worker);
- for (i = 0;i < ARRAY_SIZE(if_sdio_models);i++) {
- if (card->model == if_sdio_models[i].model)
+ /* Check if we support this card */
+ for (i = 0; i < ARRAY_SIZE(fw_table); i++) {
+ if (card->model == fw_table[i].model)
break;
}
-
- if (i == ARRAY_SIZE(if_sdio_models)) {
- lbs_pr_err("unkown card model 0x%x\n", card->model);
+ if (i == ARRAY_SIZE(fw_table)) {
+ pr_err("unknown card model 0x%x\n", card->model);
ret = -ENODEV;
goto free;
}
- card->helper = if_sdio_models[i].helper;
- card->firmware = if_sdio_models[i].firmware;
-
- if (lbs_helper_name) {
- lbs_deb_sdio("overriding helper firmware: %s\n",
- lbs_helper_name);
- card->helper = lbs_helper_name;
- }
-
- if (lbs_fw_name) {
- lbs_deb_sdio("overriding firmware: %s\n", lbs_fw_name);
- card->firmware = lbs_fw_name;
- }
-
sdio_claim_host(func);
ret = sdio_enable_func(func);
if (ret)
goto release;
- ret = sdio_claim_irq(func, if_sdio_interrupt);
- if (ret)
- goto disable;
+ /* For 1-bit transfers to the 8686 model, we need to enable the
+ * interrupt flag in the CCCR register. Set the MMC_QUIRK_LENIENT_FN0
+ * bit to allow access to non-vendor registers. */
+ if ((card->model == MODEL_8686) &&
+ (host->caps & MMC_CAP_SDIO_IRQ) &&
+ (host->ios.bus_width == MMC_BUS_WIDTH_1)) {
+ u8 reg;
+
+ func->card->quirks |= MMC_QUIRK_LENIENT_FN0;
+ reg = sdio_f0_readb(func, SDIO_CCCR_IF, &ret);
+ if (ret)
+ goto release_int;
+
+ reg |= SDIO_BUS_ECSI;
+ sdio_f0_writeb(func, reg, SDIO_CCCR_IF, &ret);
+ if (ret)
+ goto release_int;
+ }
card->ioport = sdio_readb(func, IF_SDIO_IOPORT, &ret);
if (ret)
priv->card = card;
priv->hw_host_to_card = if_sdio_host_to_card;
-
- priv->fw_ready = 1;
+ priv->enter_deep_sleep = if_sdio_enter_deep_sleep;
+ priv->exit_deep_sleep = if_sdio_exit_deep_sleep;
+ priv->reset_deep_sleep_wakeup = if_sdio_reset_deep_sleep_wakeup;
+ priv->reset_card = if_sdio_reset_card;
sdio_claim_host(func);
* Get rx_unit if the chip is SD8688 or newer.
* SD8385 & SD8686 do not have rx_unit.
*/
- if ((card->model != IF_SDIO_MODEL_8385)
- && (card->model != IF_SDIO_MODEL_8686))
+ if ((card->model != MODEL_8385)
+ && (card->model != MODEL_8686))
card->rx_unit = if_sdio_read_rx_unit(card);
else
card->rx_unit = 0;
+ /*
+ * Set up the interrupt handler late.
+ *
+ * If we set it up earlier, the (buggy) hardware generates a spurious
+ * interrupt, even before the interrupt has been enabled, with
+ * CCCR_INTx = 0.
+ *
+ * We register the interrupt handler late so that we can handle any
+ * spurious interrupts, and also to avoid generation of that known
+ * spurious interrupt in the first place.
+ */
+ ret = sdio_claim_irq(func, if_sdio_interrupt);
+ if (ret)
+ goto disable;
+
/*
* Enable interrupts now that everything is set up
*/
if (ret)
goto reclaim;
+ priv->fw_ready = 1;
+
/*
* FUNC_INIT is required for SD8688 WLAN/BT multiple functions
*/
- if (card->model == IF_SDIO_MODEL_8688) {
+ if (card->model == MODEL_8688) {
struct cmd_header cmd;
memset(&cmd, 0, sizeof(cmd));
lbs_deb_sdio("send function INIT command\n");
if (__lbs_cmd(priv, CMD_FUNC_INIT, &cmd, sizeof(cmd),
lbs_cmd_copyback, (unsigned long) &cmd))
- lbs_pr_alert("CMD_FUNC_INIT cmd failed\n");
+ netdev_alert(priv->dev, "CMD_FUNC_INIT cmd failed\n");
}
ret = lbs_start_card(priv);
kfree(packet);
}
+ if (card->helper_allocated)
+ kfree(card->helper);
+ if (card->firmware_allocated)
+ kfree(card->firmware);
kfree(card);
goto out;
card = sdio_get_drvdata(func);
- if (user_rmmod && (card->model == IF_SDIO_MODEL_8688)) {
+ if (user_rmmod && (card->model == MODEL_8688)) {
/*
* FUNC_SHUTDOWN is required for SD8688 WLAN/BT
* multiple functions
if (__lbs_cmd(card->priv, CMD_FUNC_SHUTDOWN,
&cmd, sizeof(cmd), lbs_cmd_copyback,
(unsigned long) &cmd))
- lbs_pr_alert("CMD_FUNC_SHUTDOWN cmd failed\n");
+ pr_alert("CMD_FUNC_SHUTDOWN cmd failed\n");
}
- card->priv->surpriseremoved = 1;
lbs_deb_sdio("call remove card\n");
lbs_stop_card(card->priv);
kfree(packet);
}
+ if (card->helper_allocated)
+ kfree(card->helper);
+ if (card->firmware_allocated)
+ kfree(card->firmware);
kfree(card);
lbs_deb_leave(LBS_DEB_SDIO);
}
+static int if_sdio_suspend(struct device *dev)
+{
+ struct sdio_func *func = dev_to_sdio_func(dev);
+ int ret;
+ struct if_sdio_card *card = sdio_get_drvdata(func);
+
+ mmc_pm_flag_t flags = sdio_get_host_pm_caps(func);
+
+ dev_info(dev, "%s: suspend: PM flags = 0x%x\n",
+ sdio_func_id(func), flags);
+
+ /* If we aren't being asked to wake on anything, we should bail out
+ * and let the SD stack power down the card.
+ */
+ if (card->priv->wol_criteria == EHS_REMOVE_WAKEUP) {
+ dev_info(dev, "Suspend without wake params -- powering down card\n");
+ return -ENOSYS;
+ }
+
+ if (!(flags & MMC_PM_KEEP_POWER)) {
+ dev_err(dev, "%s: cannot remain alive while host is suspended\n",
+ sdio_func_id(func));
+ return -ENOSYS;
+ }
+
+ ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
+ if (ret)
+ return ret;
+
+ ret = lbs_suspend(card->priv);
+ if (ret)
+ return ret;
+
+ return sdio_set_host_pm_flags(func, MMC_PM_WAKE_SDIO_IRQ);
+}
+
+static int if_sdio_resume(struct device *dev)
+{
+ struct sdio_func *func = dev_to_sdio_func(dev);
+ struct if_sdio_card *card = sdio_get_drvdata(func);
+ int ret;
+
+ dev_info(dev, "%s: resume: we're back\n", sdio_func_id(func));
+
+ ret = lbs_resume(card->priv);
+
+ return ret;
+}
+
+static const struct dev_pm_ops if_sdio_pm_ops = {
+ .suspend = if_sdio_suspend,
+ .resume = if_sdio_resume,
+};
+
static struct sdio_driver if_sdio_driver = {
.name = "libertas_sdio",
.id_table = if_sdio_ids,
.probe = if_sdio_probe,
.remove = if_sdio_remove,
+ .drv = {
+ .pm = &if_sdio_pm_ops,
+ },
};
/*******************************************************************/
/* Set the flag as user is removing this module. */
user_rmmod = 1;
+ cancel_work_sync(&card_reset_work);
+
sdio_unregister_driver(&if_sdio_driver);
lbs_deb_leave(LBS_DEB_SDIO);
Code Review / linux-2.6.git / blobdiff