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path: root/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c140
1 files changed, 74 insertions, 66 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
index c3247d5b3c2..a8005022371 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
@@ -372,9 +372,7 @@ static int brcmf_sdioh_enablefuncs(struct brcmf_sdio_dev *sdiodev)
}
/* Enable Function 1 */
- sdio_claim_host(sdiodev->func[1]);
err_ret = sdio_enable_func(sdiodev->func[1]);
- sdio_release_host(sdiodev->func[1]);
if (err_ret)
brcmf_dbg(ERROR, "Failed to enable F1 Err: 0x%08x\n", err_ret);
@@ -393,16 +391,14 @@ int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev)
sdiodev->num_funcs = 2;
sdio_claim_host(sdiodev->func[1]);
+
err_ret = sdio_set_block_size(sdiodev->func[1], SDIO_FUNC1_BLOCKSIZE);
- sdio_release_host(sdiodev->func[1]);
if (err_ret) {
brcmf_dbg(ERROR, "Failed to set F1 blocksize\n");
goto out;
}
- sdio_claim_host(sdiodev->func[2]);
err_ret = sdio_set_block_size(sdiodev->func[2], SDIO_FUNC2_BLOCKSIZE);
- sdio_release_host(sdiodev->func[2]);
if (err_ret) {
brcmf_dbg(ERROR, "Failed to set F2 blocksize\n");
goto out;
@@ -411,6 +407,7 @@ int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev)
brcmf_sdioh_enablefuncs(sdiodev);
out:
+ sdio_release_host(sdiodev->func[1]);
brcmf_dbg(TRACE, "Done\n");
return err_ret;
}
@@ -459,95 +456,106 @@ static inline int brcmf_sdio_getintrcfg(struct brcmf_sdio_dev *sdiodev)
#endif /* CONFIG_BRCMFMAC_SDIO_OOB */
static int brcmf_ops_sdio_probe(struct sdio_func *func,
- const struct sdio_device_id *id)
+ const struct sdio_device_id *id)
{
- int ret = 0;
+ int err;
struct brcmf_sdio_dev *sdiodev;
struct brcmf_bus *bus_if;
brcmf_dbg(TRACE, "Enter\n");
- brcmf_dbg(TRACE, "func->class=%x\n", func->class);
- brcmf_dbg(TRACE, "sdio_vendor: 0x%04x\n", func->vendor);
- brcmf_dbg(TRACE, "sdio_device: 0x%04x\n", func->device);
- brcmf_dbg(TRACE, "Function#: 0x%04x\n", func->num);
-
- if (func->num == 1) {
- if (dev_get_drvdata(&func->card->dev)) {
- brcmf_dbg(ERROR, "card private drvdata occupied\n");
- return -ENXIO;
- }
- bus_if = kzalloc(sizeof(struct brcmf_bus), GFP_KERNEL);
- if (!bus_if)
- return -ENOMEM;
- sdiodev = kzalloc(sizeof(struct brcmf_sdio_dev), GFP_KERNEL);
- if (!sdiodev) {
- kfree(bus_if);
- return -ENOMEM;
- }
- sdiodev->func[0] = func;
- sdiodev->func[1] = func;
- sdiodev->bus_if = bus_if;
- bus_if->bus_priv.sdio = sdiodev;
- bus_if->type = SDIO_BUS;
- bus_if->align = BRCMF_SDALIGN;
- dev_set_drvdata(&func->card->dev, sdiodev);
-
- atomic_set(&sdiodev->suspend, false);
- init_waitqueue_head(&sdiodev->request_byte_wait);
- init_waitqueue_head(&sdiodev->request_word_wait);
- init_waitqueue_head(&sdiodev->request_chain_wait);
- init_waitqueue_head(&sdiodev->request_buffer_wait);
+ brcmf_dbg(TRACE, "Class=%x\n", func->class);
+ brcmf_dbg(TRACE, "sdio vendor ID: 0x%04x\n", func->vendor);
+ brcmf_dbg(TRACE, "sdio device ID: 0x%04x\n", func->device);
+ brcmf_dbg(TRACE, "Function#: %d\n", func->num);
+
+ /* Consume func num 1 but dont do anything with it. */
+ if (func->num == 1)
+ return 0;
+
+ /* Ignore anything but func 2 */
+ if (func->num != 2)
+ return -ENODEV;
+
+ bus_if = kzalloc(sizeof(struct brcmf_bus), GFP_KERNEL);
+ if (!bus_if)
+ return -ENOMEM;
+ sdiodev = kzalloc(sizeof(struct brcmf_sdio_dev), GFP_KERNEL);
+ if (!sdiodev) {
+ kfree(bus_if);
+ return -ENOMEM;
}
- if (func->num == 2) {
- sdiodev = dev_get_drvdata(&func->card->dev);
- if ((!sdiodev) || (sdiodev->func[1]->card != func->card))
- return -ENODEV;
-
- ret = brcmf_sdio_getintrcfg(sdiodev);
- if (ret)
- return ret;
- sdiodev->func[2] = func;
+ sdiodev->func[0] = func->card->sdio_func[0];
+ sdiodev->func[1] = func->card->sdio_func[0];
+ sdiodev->func[2] = func;
- bus_if = sdiodev->bus_if;
- sdiodev->dev = &func->dev;
- dev_set_drvdata(&func->dev, bus_if);
+ sdiodev->bus_if = bus_if;
+ bus_if->bus_priv.sdio = sdiodev;
+ bus_if->align = BRCMF_SDALIGN;
+ dev_set_drvdata(&func->dev, bus_if);
+ dev_set_drvdata(&sdiodev->func[1]->dev, bus_if);
+ sdiodev->dev = &sdiodev->func[1]->dev;
- brcmf_dbg(TRACE, "F2 found, calling brcmf_sdio_probe...\n");
- ret = brcmf_sdio_probe(sdiodev);
+ atomic_set(&sdiodev->suspend, false);
+ init_waitqueue_head(&sdiodev->request_byte_wait);
+ init_waitqueue_head(&sdiodev->request_word_wait);
+ init_waitqueue_head(&sdiodev->request_chain_wait);
+ init_waitqueue_head(&sdiodev->request_buffer_wait);
+ err = brcmf_sdio_getintrcfg(sdiodev);
+ if (err)
+ goto fail;
+
+ brcmf_dbg(TRACE, "F2 found, calling brcmf_sdio_probe...\n");
+ err = brcmf_sdio_probe(sdiodev);
+ if (err) {
+ brcmf_dbg(ERROR, "F2 error, probe failed %d...\n", err);
+ goto fail;
}
+ brcmf_dbg(TRACE, "F2 init completed...\n");
+ return 0;
- return ret;
+fail:
+ dev_set_drvdata(&func->dev, NULL);
+ dev_set_drvdata(&sdiodev->func[1]->dev, NULL);
+ kfree(sdiodev);
+ kfree(bus_if);
+ return err;
}
static void brcmf_ops_sdio_remove(struct sdio_func *func)
{
struct brcmf_bus *bus_if;
struct brcmf_sdio_dev *sdiodev;
+
brcmf_dbg(TRACE, "Enter\n");
- brcmf_dbg(INFO, "func->class=%x\n", func->class);
- brcmf_dbg(INFO, "sdio_vendor: 0x%04x\n", func->vendor);
- brcmf_dbg(INFO, "sdio_device: 0x%04x\n", func->device);
- brcmf_dbg(INFO, "Function#: 0x%04x\n", func->num);
+ brcmf_dbg(TRACE, "sdio vendor ID: 0x%04x\n", func->vendor);
+ brcmf_dbg(TRACE, "sdio device ID: 0x%04x\n", func->device);
+ brcmf_dbg(TRACE, "Function: %d\n", func->num);
- if (func->num == 2) {
- bus_if = dev_get_drvdata(&func->dev);
+ if (func->num != 1 && func->num != 2)
+ return;
+
+ bus_if = dev_get_drvdata(&func->dev);
+ if (bus_if) {
sdiodev = bus_if->bus_priv.sdio;
- brcmf_dbg(TRACE, "F2 found, calling brcmf_sdio_remove...\n");
brcmf_sdio_remove(sdiodev);
- dev_set_drvdata(&func->card->dev, NULL);
- dev_set_drvdata(&func->dev, NULL);
+
+ dev_set_drvdata(&sdiodev->func[1]->dev, NULL);
+ dev_set_drvdata(&sdiodev->func[2]->dev, NULL);
+
kfree(bus_if);
kfree(sdiodev);
}
+
+ brcmf_dbg(TRACE, "Exit\n");
}
#ifdef CONFIG_PM_SLEEP
static int brcmf_sdio_suspend(struct device *dev)
{
mmc_pm_flag_t sdio_flags;
- struct sdio_func *func = dev_to_sdio_func(dev);
- struct brcmf_sdio_dev *sdiodev = dev_get_drvdata(&func->card->dev);
+ struct brcmf_bus *bus_if = dev_get_drvdata(dev);
+ struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
int ret = 0;
brcmf_dbg(TRACE, "\n");
@@ -573,8 +581,8 @@ static int brcmf_sdio_suspend(struct device *dev)
static int brcmf_sdio_resume(struct device *dev)
{
- struct sdio_func *func = dev_to_sdio_func(dev);
- struct brcmf_sdio_dev *sdiodev = dev_get_drvdata(&func->card->dev);
+ struct brcmf_bus *bus_if = dev_get_drvdata(dev);
+ struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
brcmf_sdio_wdtmr_enable(sdiodev, true);
atomic_set(&sdiodev->suspend, false);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-02-09 01:14:33 +0000