diff options
Diffstat (limited to 'drivers/staging/ks7010/ks7010_sdio.c')
-rw-r--r-- | drivers/staging/ks7010/ks7010_sdio.c | 142 |
1 files changed, 71 insertions, 71 deletions
diff --git a/drivers/staging/ks7010/ks7010_sdio.c b/drivers/staging/ks7010/ks7010_sdio.c index 8823e93..28b91be 100644 --- a/drivers/staging/ks7010/ks7010_sdio.c +++ b/drivers/staging/ks7010/ks7010_sdio.c @@ -52,44 +52,48 @@ static int ks7010_sdio_read(struct ks_wlan_private *priv, unsigned int address, unsigned char *buffer, int length) { struct ks_sdio_card *card; - int rc; + int ret; card = priv->ks_wlan_hw.sdio_card; if (length == 1) /* CMD52 */ - *buffer = sdio_readb(card->func, address, &rc); + *buffer = sdio_readb(card->func, address, &ret); else /* CMD53 multi-block transfer */ - rc = sdio_memcpy_fromio(card->func, buffer, address, length); + ret = sdio_memcpy_fromio(card->func, buffer, address, length); - if (rc) - DPRINTK(1, "sdio error=%d size=%d\n", rc, length); + if (ret) { + DPRINTK(1, "sdio error=%d size=%d\n", ret, length); + return ret; + } - return rc; + return 0; } static int ks7010_sdio_write(struct ks_wlan_private *priv, unsigned int address, unsigned char *buffer, int length) { struct ks_sdio_card *card; - int rc; + int ret; card = priv->ks_wlan_hw.sdio_card; if (length == 1) /* CMD52 */ - sdio_writeb(card->func, *buffer, address, &rc); + sdio_writeb(card->func, *buffer, address, &ret); else /* CMD53 */ - rc = sdio_memcpy_toio(card->func, address, buffer, length); + ret = sdio_memcpy_toio(card->func, address, buffer, length); - if (rc) - DPRINTK(1, "sdio error=%d size=%d\n", rc, length); + if (ret) { + DPRINTK(1, "sdio error=%d size=%d\n", ret, length); + return ret; + } - return rc; + return 0; } static void ks_wlan_hw_sleep_doze_request(struct ks_wlan_private *priv) { unsigned char rw_data; - int retval; + int ret; DPRINTK(4, "\n"); @@ -98,9 +102,8 @@ static void ks_wlan_hw_sleep_doze_request(struct ks_wlan_private *priv) if (atomic_read(&priv->sleepstatus.status) == 0) { rw_data = GCR_B_DOZE; - retval = - ks7010_sdio_write(priv, GCR_B, &rw_data, sizeof(rw_data)); - if (retval) { + ret = ks7010_sdio_write(priv, GCR_B, &rw_data, sizeof(rw_data)); + if (ret) { DPRINTK(1, " error : GCR_B=%02X\n", rw_data); goto set_sleep_mode; } @@ -119,7 +122,7 @@ set_sleep_mode: static void ks_wlan_hw_sleep_wakeup_request(struct ks_wlan_private *priv) { unsigned char rw_data; - int retval; + int ret; DPRINTK(4, "\n"); @@ -128,9 +131,8 @@ static void ks_wlan_hw_sleep_wakeup_request(struct ks_wlan_private *priv) if (atomic_read(&priv->sleepstatus.status) == 1) { rw_data = WAKEUP_REQ; - retval = - ks7010_sdio_write(priv, WAKEUP, &rw_data, sizeof(rw_data)); - if (retval) { + ret = ks7010_sdio_write(priv, WAKEUP, &rw_data, sizeof(rw_data)); + if (ret) { DPRINTK(1, " error : WAKEUP=%02X\n", rw_data); goto set_sleep_mode; } @@ -149,14 +151,13 @@ set_sleep_mode: void ks_wlan_hw_wakeup_request(struct ks_wlan_private *priv) { unsigned char rw_data; - int retval; + int ret; DPRINTK(4, "\n"); if (atomic_read(&priv->psstatus.status) == PS_SNOOZE) { rw_data = WAKEUP_REQ; - retval = - ks7010_sdio_write(priv, WAKEUP, &rw_data, sizeof(rw_data)); - if (retval) + ret = ks7010_sdio_write(priv, WAKEUP, &rw_data, sizeof(rw_data)); + if (ret) DPRINTK(1, " error : WAKEUP=%02X\n", rw_data); DPRINTK(4, "wake up : WAKEUP=%02X\n", rw_data); @@ -241,17 +242,17 @@ static int enqueue_txdev(struct ks_wlan_private *priv, unsigned char *p, void *arg1, void *arg2) { struct tx_device_buffer *sp; - int rc; + int ret; if (priv->dev_state < DEVICE_STATE_BOOT) { - rc = -EPERM; + ret = -EPERM; goto err_complete; } if ((TX_DEVICE_BUFF_SIZE - 1) <= cnt_txqbody(priv)) { /* in case of buffer overflow */ DPRINTK(1, "tx buffer overflow\n"); - rc = -EOVERFLOW; + ret = -EOVERFLOW; goto err_complete; } @@ -270,7 +271,7 @@ err_complete: if (complete_handler) (*complete_handler) (arg1, arg2); - return rc; + return ret; } /* write data */ @@ -279,7 +280,7 @@ static int write_to_device(struct ks_wlan_private *priv, unsigned char *buffer, { unsigned char rw_data; struct hostif_hdr *hdr; - int rc; + int ret; hdr = (struct hostif_hdr *)buffer; @@ -289,17 +290,17 @@ static int write_to_device(struct ks_wlan_private *priv, unsigned char *buffer, return 0; } - rc = ks7010_sdio_write(priv, DATA_WINDOW, buffer, size); - if (rc) { - DPRINTK(1, " write error : retval=%d\n", rc); - return rc; + ret = ks7010_sdio_write(priv, DATA_WINDOW, buffer, size); + if (ret) { + DPRINTK(1, " write error : retval=%d\n", ret); + return ret; } rw_data = WRITE_STATUS_BUSY; - rc = ks7010_sdio_write(priv, WRITE_STATUS, &rw_data, sizeof(rw_data)); - if (rc) { + ret = ks7010_sdio_write(priv, WRITE_STATUS, &rw_data, sizeof(rw_data)); + if (ret) { DPRINTK(1, " error : WRITE_STATUS=%02X\n", rw_data); - return rc; + return ret; } return 0; @@ -461,7 +462,7 @@ static void ks7010_rw_function(struct work_struct *work) struct hw_info_t *hw; struct ks_wlan_private *priv; unsigned char rw_data; - int retval; + int ret; hw = container_of(work, struct hw_info_t, rw_wq.work); priv = container_of(hw, struct ks_wlan_private, ks_wlan_hw); @@ -510,9 +511,8 @@ static void ks7010_rw_function(struct work_struct *work) } /* read (WriteStatus/ReadDataSize FN1:00_0014) */ - retval = - ks7010_sdio_read(priv, WSTATUS_RSIZE, &rw_data, sizeof(rw_data)); - if (retval) { + ret = ks7010_sdio_read(priv, WSTATUS_RSIZE, &rw_data, sizeof(rw_data)); + if (ret) { DPRINTK(1, " error : WSTATUS_RSIZE=%02X psstatus=%d\n", rw_data, atomic_read(&priv->psstatus.status)); goto err_release_host; @@ -656,7 +656,7 @@ static void trx_device_exit(struct ks_wlan_private *priv) static int ks7010_sdio_update_index(struct ks_wlan_private *priv, u32 index) { - int rc; + int ret; unsigned char *data_buf; data_buf = kmalloc(sizeof(u32), GFP_KERNEL); @@ -664,12 +664,12 @@ static int ks7010_sdio_update_index(struct ks_wlan_private *priv, u32 index) return -ENOMEM; memcpy(data_buf, &index, sizeof(index)); - rc = ks7010_sdio_write(priv, WRITE_INDEX, data_buf, sizeof(index)); - if (rc) + ret = ks7010_sdio_write(priv, WRITE_INDEX, data_buf, sizeof(index)); + if (ret) goto err_free_data_buf; - rc = ks7010_sdio_write(priv, READ_INDEX, data_buf, sizeof(index)); - if (rc) + ret = ks7010_sdio_write(priv, READ_INDEX, data_buf, sizeof(index)); + if (ret) goto err_free_data_buf; return 0; @@ -677,27 +677,27 @@ static int ks7010_sdio_update_index(struct ks_wlan_private *priv, u32 index) err_free_data_buf: kfree(data_buf); - return rc; + return ret; } #define ROM_BUFF_SIZE (64 * 1024) static int ks7010_sdio_data_compare(struct ks_wlan_private *priv, u32 address, unsigned char *data, unsigned int size) { - int rc; + int ret; unsigned char *read_buf; read_buf = kmalloc(ROM_BUFF_SIZE, GFP_KERNEL); if (!read_buf) return -ENOMEM; - rc = ks7010_sdio_read(priv, address, read_buf, size); - if (rc) + ret = ks7010_sdio_read(priv, address, read_buf, size); + if (ret) goto err_free_read_buf; - rc = memcmp(data, read_buf, size); - if (rc) { - DPRINTK(0, "data compare error (%d)\n", rc); + ret = memcmp(data, read_buf, size); + if (ret) { + DPRINTK(0, "data compare error (%d)\n", ret); goto err_free_read_buf; } @@ -706,7 +706,7 @@ static int ks7010_sdio_data_compare(struct ks_wlan_private *priv, u32 address, err_free_read_buf: kfree(read_buf); - return rc; + return ret; } static int ks7010_upload_firmware(struct ks_wlan_private *priv, @@ -715,7 +715,7 @@ static int ks7010_upload_firmware(struct ks_wlan_private *priv, unsigned int size, offset, n = 0; unsigned char *rom_buf; unsigned char rw_data = 0; - int rc; + int ret; int length; const struct firmware *fw_entry = NULL; @@ -727,14 +727,15 @@ static int ks7010_upload_firmware(struct ks_wlan_private *priv, sdio_claim_host(card->func); /* Firmware running ? */ - rc = ks7010_sdio_read(priv, GCR_A, &rw_data, sizeof(rw_data)); + ret = ks7010_sdio_read(priv, GCR_A, &rw_data, sizeof(rw_data)); if (rw_data == GCR_A_RUN) { DPRINTK(0, "MAC firmware running ...\n"); goto release_host_and_free; } - rc = request_firmware(&fw_entry, ROM_FILE, &priv->ks_wlan_hw.sdio_card->func->dev); - if (rc) + ret = request_firmware(&fw_entry, ROM_FILE, + &priv->ks_wlan_hw.sdio_card->func->dev); + if (ret) goto release_host_and_free; length = fw_entry->size; @@ -755,19 +756,18 @@ static int ks7010_upload_firmware(struct ks_wlan_private *priv, memcpy(rom_buf, fw_entry->data + n, size); /* Update write index */ offset = n; - rc = ks7010_sdio_update_index(priv, - KS7010_IRAM_ADDRESS + offset); - if (rc) + ret = ks7010_sdio_update_index(priv, KS7010_IRAM_ADDRESS + offset); + if (ret) goto release_firmware; /* Write data */ - rc = ks7010_sdio_write(priv, DATA_WINDOW, rom_buf, size); - if (rc) + ret = ks7010_sdio_write(priv, DATA_WINDOW, rom_buf, size); + if (ret) goto release_firmware; /* compare */ - rc = ks7010_sdio_data_compare(priv, DATA_WINDOW, rom_buf, size); - if (rc) + ret = ks7010_sdio_data_compare(priv, DATA_WINDOW, rom_buf, size); + if (ret) goto release_firmware; n += size; @@ -776,8 +776,8 @@ static int ks7010_upload_firmware(struct ks_wlan_private *priv, /* Remap request */ rw_data = GCR_A_REMAP; - rc = ks7010_sdio_write(priv, GCR_A, &rw_data, sizeof(rw_data)); - if (rc) + ret = ks7010_sdio_write(priv, GCR_A, &rw_data, sizeof(rw_data)); + if (ret) goto release_firmware; DPRINTK(4, " REMAP Request : GCR_A=%02X\n", rw_data); @@ -785,8 +785,8 @@ static int ks7010_upload_firmware(struct ks_wlan_private *priv, /* Firmware running check */ for (n = 0; n < 50; ++n) { mdelay(10); /* wait_ms(10); */ - rc = ks7010_sdio_read(priv, GCR_A, &rw_data, sizeof(rw_data)); - if (rc) + ret = ks7010_sdio_read(priv, GCR_A, &rw_data, sizeof(rw_data)); + if (ret) goto release_firmware; if (rw_data == GCR_A_RUN) @@ -795,11 +795,11 @@ static int ks7010_upload_firmware(struct ks_wlan_private *priv, DPRINTK(4, "firmware wakeup (%d)!!!!\n", n); if ((50) <= n) { DPRINTK(1, "firmware can't start\n"); - rc = -EIO; + ret = -EIO; goto release_firmware; } - rc = 0; + ret = 0; release_firmware: release_firmware(fw_entry); @@ -807,7 +807,7 @@ static int ks7010_upload_firmware(struct ks_wlan_private *priv, sdio_release_host(card->func); kfree(rom_buf); - return rc; + return ret; } static void ks7010_card_init(struct ks_wlan_private *priv) |