diff options
Diffstat (limited to 'drivers/staging/csr/csr_wifi_hip_download.c')
| -rw-r--r-- | drivers/staging/csr/csr_wifi_hip_download.c | 819 |
1 files changed, 0 insertions, 819 deletions
diff --git a/drivers/staging/csr/csr_wifi_hip_download.c b/drivers/staging/csr/csr_wifi_hip_download.c deleted file mode 100644 index 2f44a383d2cf..000000000000 --- a/drivers/staging/csr/csr_wifi_hip_download.c +++ /dev/null @@ -1,819 +0,0 @@ -/***************************************************************************** - - (c) Cambridge Silicon Radio Limited 2012 - All rights reserved and confidential information of CSR - - Refer to LICENSE.txt included with this source for details - on the license terms. - -*****************************************************************************/ - -/* - * --------------------------------------------------------------------------- - * FILE: csr_wifi_hip_download.c - * - * PURPOSE: - * Routines for downloading firmware to UniFi. - * - * --------------------------------------------------------------------------- - */ -#include <linux/slab.h> -#include "csr_wifi_hip_unifi.h" -#include "csr_wifi_hip_unifiversion.h" -#include "csr_wifi_hip_card.h" -#include "csr_wifi_hip_xbv.h" - -#undef CSR_WIFI_IGNORE_PATCH_VERSION_MISMATCH - -static CsrResult do_patch_download(card_t *card, void *dlpriv, - xbv1_t *pfwinfo, u32 boot_ctrl_addr); - -static CsrResult do_patch_convert_download(card_t *card, - void *dlpriv, xbv1_t *pfwinfo); - -/* - * --------------------------------------------------------------------------- - * _find_in_slut - * - * Find the offset of the appropriate object in the SLUT of a card - * - * Arguments: - * card Pointer to card struct - * psym Pointer to symbol object. - * id set up by caller - * obj will be set up by this function - * pslut Pointer to SLUT address, if 0xffffffff then it must be - * read from the chip. - * Returns: - * CSR_RESULT_SUCCESS on success - * Non-zero on error, - * CSR_WIFI_HIP_RESULT_NOT_FOUND if not found - * --------------------------------------------------------------------------- - */ -static CsrResult _find_in_slut(card_t *card, symbol_t *psym, u32 *pslut) -{ - u32 slut_address; - u16 finger_print; - CsrResult r; - CsrResult csrResult; - - /* Get SLUT address */ - if (*pslut == 0xffffffff) - { - r = card_wait_for_firmware_to_start(card, &slut_address); - if (r == CSR_WIFI_HIP_RESULT_NO_DEVICE) - { - return r; - } - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "Firmware hasn't started\n"); - return r; - } - *pslut = slut_address; - - /* - * Firmware has started so set the SDIO bus clock to the initial speed, - * faster than UNIFI_SDIO_CLOCK_SAFE_HZ, to speed up the f/w download. - */ - csrResult = CsrSdioMaxBusClockFrequencySet(card->sdio_if, UNIFI_SDIO_CLOCK_INIT_HZ); - if (csrResult != CSR_RESULT_SUCCESS) - { - r = ConvertCsrSdioToCsrHipResult(card, csrResult); - return r; - } - card->sdio_clock_speed = UNIFI_SDIO_CLOCK_INIT_HZ; - } - else - { - slut_address = *pslut; /* Use previously discovered address */ - } - unifi_trace(card->ospriv, UDBG4, "SLUT addr: 0x%lX\n", slut_address); - - /* - * Check the SLUT fingerprint. - * The slut_address is a generic pointer so we must use unifi_card_read16(). - */ - unifi_trace(card->ospriv, UDBG4, "Looking for SLUT finger print\n"); - finger_print = 0; - r = unifi_card_read16(card, slut_address, &finger_print); - if (r == CSR_WIFI_HIP_RESULT_NO_DEVICE) - { - return r; - } - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "Failed to read SLUT finger print\n"); - return r; - } - - if (finger_print != SLUT_FINGERPRINT) - { - unifi_error(card->ospriv, "Failed to find SLUT fingerprint\n"); - return CSR_RESULT_FAILURE; - } - - /* Symbol table starts imedately after the fingerprint */ - slut_address += 2; - - while (1) - { - u16 id; - u32 obj; - - r = unifi_card_read16(card, slut_address, &id); - if (r != CSR_RESULT_SUCCESS) - { - return r; - } - slut_address += 2; - - if (id == CSR_SLT_END) - { - /* End of table reached: not found */ - r = CSR_WIFI_HIP_RESULT_RANGE; - break; - } - - r = unifi_read32(card, slut_address, &obj); - if (r != CSR_RESULT_SUCCESS) - { - return r; - } - slut_address += 4; - - unifi_trace(card->ospriv, UDBG3, " found SLUT id %02d.%08lx\n", id, obj); - - r = CSR_WIFI_HIP_RESULT_NOT_FOUND; - /* Found search term? */ - if (id == psym->id) - { - unifi_trace(card->ospriv, UDBG1, " matched SLUT id %02d.%08lx\n", id, obj); - psym->obj = obj; - r = CSR_RESULT_SUCCESS; - break; - } - } - - return r; -} - - -/* - * --------------------------------------------------------------------------- - * do_patch_convert_download - * - * Download the given firmware image to the UniFi, converting from FWDL - * to PTDL XBV format. - * - * Arguments: - * card Pointer to card struct - * dlpriv Pointer to source firmware image - * fwinfo Pointer to source firmware info struct - * - * Returns: - * CSR_RESULT_SUCCESS on success, CSR error code on error - * - * Notes: - * --------------------------------------------------------------------------- - */ -static CsrResult do_patch_convert_download(card_t *card, void *dlpriv, xbv1_t *pfwinfo) -{ - CsrResult r; - u32 slut_base = 0xffffffff; - void *pfw; - u32 psize; - symbol_t sym; - - /* Reset the chip to guarantee that the ROM loader is running */ - r = unifi_init(card); - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, - "do_patch_convert_download: failed to re-init UniFi\n"); - return r; - } - - /* If no unifi_helper is running, the firmware version must be read */ - if (card->build_id == 0) - { - u32 ver = 0; - sym.id = CSR_SLT_BUILD_ID_NUMBER; - sym.obj = 0; /* To be updated by _find_in_slut() */ - - unifi_trace(card->ospriv, UDBG1, "Need f/w version\n"); - - /* Find chip build id entry in SLUT */ - r = _find_in_slut(card, &sym, &slut_base); - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "Failed to find CSR_SLT_BUILD_ID_NUMBER\n"); - return CSR_RESULT_FAILURE; - } - - /* Read running f/w version */ - r = unifi_read32(card, sym.obj, &ver); - if (r == CSR_WIFI_HIP_RESULT_NO_DEVICE) - { - return r; - } - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "Failed to read f/w id\n"); - return CSR_RESULT_FAILURE; - } - card->build_id = ver; - } - - /* Convert the ptest firmware to a patch against the running firmware */ - pfw = xbv_to_patch(card, unifi_fw_read, dlpriv, pfwinfo, &psize); - if (!pfw) - { - unifi_error(card->ospriv, "Failed to convert f/w to patch"); - return CSR_WIFI_HIP_RESULT_NO_MEMORY; - } - else - { - void *desc; - sym.id = CSR_SLT_BOOT_LOADER_CONTROL; - sym.obj = 0; /* To be updated by _find_in_slut() */ - - /* Find boot loader control entry in SLUT */ - r = _find_in_slut(card, &sym, &slut_base); - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "Failed to find BOOT_LOADER_CONTROL\n"); - kfree(pfw); - return CSR_RESULT_FAILURE; - } - - r = unifi_set_host_state(card, UNIFI_HOST_STATE_AWAKE); - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "Failed to wake UniFi\n"); - } - - /* Get a dlpriv for the patch buffer so that unifi_fw_read() can - * access it. - */ - desc = unifi_fw_open_buffer(card->ospriv, pfw, psize); - if (!desc) - { - kfree(pfw); - return CSR_WIFI_HIP_RESULT_NO_MEMORY; - } - - /* Download the patch */ - unifi_info(card->ospriv, "Downloading converted f/w as patch\n"); - r = unifi_dl_patch(card, desc, sym.obj); - kfree(pfw); - unifi_fw_close_buffer(card->ospriv, desc); - - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "Converted patch download failed\n"); - return r; - } - else - { - unifi_trace(card->ospriv, UDBG1, "Converted patch downloaded\n"); - } - - /* This command starts the firmware */ - r = unifi_do_loader_op(card, sym.obj + 6, UNIFI_BOOT_LOADER_RESTART); - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "Failed to write loader restart cmd\n"); - } - - return r; - } -} - - -/* - * --------------------------------------------------------------------------- - * unifi_dl_firmware - * - * Download the given firmware image to the UniFi. - * - * Arguments: - * card Pointer to card struct - * dlpriv A context pointer from the calling function to be - * passed when calling unifi_fw_read(). - * - * Returns: - * CSR_RESULT_SUCCESS on success, - * CSR_WIFI_HIP_RESULT_NO_MEMORY memory allocation failed - * CSR_WIFI_HIP_RESULT_INVALID_VALUE error in XBV file - * CSR_RESULT_FAILURE SDIO error - * - * Notes: - * Stops and resets the chip, does the download and runs the new - * firmware. - * --------------------------------------------------------------------------- - */ -CsrResult unifi_dl_firmware(card_t *card, void *dlpriv) -{ - xbv1_t *fwinfo; - CsrResult r; - - fwinfo = kmalloc(sizeof(xbv1_t), GFP_KERNEL); - if (fwinfo == NULL) - { - unifi_error(card->ospriv, "Failed to allocate memory for firmware\n"); - return CSR_WIFI_HIP_RESULT_NO_MEMORY; - } - - /* - * Scan the firmware file to find the TLVs we are interested in. - * These are: - * - check we support the file format version in VERF - * - SLTP Symbol Lookup Table Pointer - * - FWDL firmware download segments - * - FWOV firmware overlay segment - * - VMEQ Register probe tests to verify matching h/w - */ - r = xbv1_parse(card, unifi_fw_read, dlpriv, fwinfo); - if (r != CSR_RESULT_SUCCESS || fwinfo->mode != xbv_firmware) - { - unifi_error(card->ospriv, "File type is %s, expected firmware.\n", - fwinfo->mode == xbv_patch?"patch" : "unknown"); - kfree(fwinfo); - return CSR_WIFI_HIP_RESULT_INVALID_VALUE; - } - - /* UF6xxx doesn't accept firmware, only patches. Therefore we convert - * the file to patch format with version numbers matching the current - * running firmware, and then download via the patch mechanism. - * The sole purpose of this is to support production test firmware across - * different ROM releases, the test firmware being provided in non-patch - * format. - */ - if (card->chip_id > SDIO_CARD_ID_UNIFI_2) - { - unifi_info(card->ospriv, "Must convert f/w to patch format\n"); - r = do_patch_convert_download(card, dlpriv, fwinfo); - } - else - { - /* Older UniFi chips allowed firmware to be directly loaded onto the - * chip, which is no longer supported. - */ - unifi_error(card->ospriv, "Only patch downloading supported\n"); - r = CSR_WIFI_HIP_RESULT_INVALID_VALUE; - } - - kfree(fwinfo); - return r; -} /* unifi_dl_firmware() */ - - -/* - * --------------------------------------------------------------------------- - * unifi_dl_patch - * - * Load the given patch set into UniFi. - * - * Arguments: - * card Pointer to card struct - * dlpriv The os specific handle to the firmware file. - * boot_ctrl The address of the boot loader control structure. - * - * Returns: - * CSR_RESULT_SUCCESS on success, - * CSR_WIFI_HIP_RESULT_NO_MEMORY memory allocation failed - * CSR_WIFI_HIP_RESULT_INVALID_VALUE error in XBV file - * CSR_RESULT_FAILURE SDIO error - * - * Notes: - * This ends up telling UniFi to restart. - * --------------------------------------------------------------------------- - */ -CsrResult unifi_dl_patch(card_t *card, void *dlpriv, u32 boot_ctrl) -{ - xbv1_t *fwinfo; - CsrResult r; - - unifi_info(card->ospriv, "unifi_dl_patch %p %08x\n", dlpriv, boot_ctrl); - - fwinfo = kmalloc(sizeof(xbv1_t), GFP_KERNEL); - if (fwinfo == NULL) - { - unifi_error(card->ospriv, "Failed to allocate memory for patches\n"); - return CSR_WIFI_HIP_RESULT_NO_MEMORY; - } - - /* - * Scan the firmware file to find the TLVs we are interested in. - * These are: - * - check we support the file format version in VERF - * - FWID The build ID of the ROM that we can patch - * - PTDL patch download segments - */ - r = xbv1_parse(card, unifi_fw_read, dlpriv, fwinfo); - if (r != CSR_RESULT_SUCCESS || fwinfo->mode != xbv_patch) - { - kfree(fwinfo); - unifi_error(card->ospriv, "Failed to read in patch file\n"); - return CSR_WIFI_HIP_RESULT_INVALID_VALUE; - } - - /* - * We have to check the build id read from the SLUT against that - * for the patch file. They have to match exactly. - * "card->build_id" == XBV1.PTCH.FWID - */ - if (card->build_id != fwinfo->build_id) - { - unifi_error(card->ospriv, "Wrong patch file for chip (chip = %lu, file = %lu)\n", - card->build_id, fwinfo->build_id); - kfree(fwinfo); -#ifndef CSR_WIFI_IGNORE_PATCH_VERSION_MISMATCH - return CSR_WIFI_HIP_RESULT_INVALID_VALUE; -#else - fwinfo = NULL; - dlpriv = NULL; - return CSR_RESULT_SUCCESS; -#endif - } - - r = do_patch_download(card, dlpriv, fwinfo, boot_ctrl); - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "Failed to patch image\n"); - } - - kfree(fwinfo); - - return r; -} /* unifi_dl_patch() */ - - -void* unifi_dl_fw_read_start(card_t *card, s8 is_fw) -{ - card_info_t card_info; - - unifi_card_info(card, &card_info); - unifi_trace(card->ospriv, UDBG5, - "id=%d, ver=0x%x, fw_build=%u, fw_hip=0x%x, block_size=%d\n", - card_info.chip_id, card_info.chip_version, - card_info.fw_build, card_info.fw_hip_version, - card_info.sdio_block_size); - - return unifi_fw_read_start(card->ospriv, is_fw, &card_info); -} - - -/* - * --------------------------------------------------------------------------- - * safe_read_shared_location - * - * Read a shared memory location repeatedly until we get two readings - * the same. - * - * Arguments: - * card Pointer to card context struct. - * unifi_addr UniFi shared-data-memory address to access. - * pdata Pointer to a byte variable for the value read. - * - * - * Returns: - * CSR_RESULT_SUCCESS on success, CSR error code on failure - * --------------------------------------------------------------------------- - */ -static CsrResult safe_read_shared_location(card_t *card, u32 address, u8 *pdata) -{ - CsrResult r; - u16 limit = 1000; - u8 b, b2; - - *pdata = 0; - - r = unifi_read_8_or_16(card, address, &b); - if (r != CSR_RESULT_SUCCESS) - { - return r; - } - - while (limit--) - { - r = unifi_read_8_or_16(card, address, &b2); - if (r != CSR_RESULT_SUCCESS) - { - return r; - } - - /* When we have a stable value, return it */ - if (b == b2) - { - *pdata = b; - return CSR_RESULT_SUCCESS; - } - - b = b2; - } - - return CSR_RESULT_FAILURE; -} /* safe_read_shared_location() */ - - -/* - * --------------------------------------------------------------------------- - * unifi_do_loader_op - * - * Send a loader / boot_loader command to the UniFi and wait for - * it to complete. - * - * Arguments: - * card Pointer to card context struct. - * op_addr The address of the loader operation control word. - * opcode The operation to perform. - * - * Returns: - * CSR_RESULT_SUCCESS on success - * CSR_RESULT_FAILURE SDIO error or SDIO/XAP timeout - * --------------------------------------------------------------------------- - */ - -/* - * Ideally instead of sleeping, we want to busy wait. - * Currently there is no framework API to do this. When it becomes available, - * we can use it to busy wait using usecs - */ -#define OPERATION_TIMEOUT_LOOPS (100) /* when OPERATION_TIMEOUT_DELAY==1, (500) otherwise */ -#define OPERATION_TIMEOUT_DELAY 1 /* msec, or 200usecs */ - -CsrResult unifi_do_loader_op(card_t *card, u32 op_addr, u8 opcode) -{ - CsrResult r; - s16 op_retries; - - unifi_trace(card->ospriv, UDBG4, "Loader cmd 0x%0x -> 0x%08x\n", opcode, op_addr); - - /* Set the Operation command byte to the opcode */ - r = unifi_write_8_or_16(card, op_addr, opcode); - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "Failed to write loader copy command\n"); - return r; - } - - /* Wait for Operation command byte to be Idle */ - /* Typically takes ~100us */ - op_retries = 0; - r = CSR_RESULT_SUCCESS; - while (1) - { - u8 op; - - /* - * Read the memory location until two successive reads give - * the same value. - * Then handle it. - */ - r = safe_read_shared_location(card, op_addr, &op); - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "Failed to read loader status\n"); - break; - } - - if (op == UNIFI_LOADER_IDLE) - { - /* Success */ - break; - } - - if (op != opcode) - { - unifi_error(card->ospriv, "Error reported by loader: 0x%X\n", op); - r = CSR_RESULT_FAILURE; - break; - } - - /* Allow 500us timeout */ - if (++op_retries >= OPERATION_TIMEOUT_LOOPS) - { - unifi_error(card->ospriv, "Timeout waiting for loader to ack transfer\n"); - /* Stop XAPs to aid post-mortem */ - r = unifi_card_stop_processor(card, UNIFI_PROC_BOTH); - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "Failed to stop UniFi processors\n"); - } - else - { - r = CSR_RESULT_FAILURE; - } - break; - } - CsrThreadSleep(OPERATION_TIMEOUT_DELAY); - } /* Loop exits with r != CSR_RESULT_SUCCESS on error */ - - return r; -} /* unifi_do_loader_op() */ - - -/* - * --------------------------------------------------------------------------- - * send_ptdl_to_unifi - * - * Copy a patch block from userland to the UniFi. - * This function reads data, 2K at a time, from userland and writes - * it to the UniFi. - * - * Arguments: - * card A pointer to the card structure - * dlpriv The os specific handle for the firmware file - * ptdl A pointer ot the PTDL block - * handle The buffer handle to use for the xfer - * op_addr The address of the loader operation control word - * - * Returns: - * Number of bytes sent (Positive) or negative value indicating - * error code: - * CSR_WIFI_HIP_RESULT_NO_MEMORY memory allocation failed - * CSR_WIFI_HIP_RESULT_INVALID_VALUE error in XBV file - * CSR_RESULT_FAILURE SDIO error - * --------------------------------------------------------------------------- - */ -static CsrResult send_ptdl_to_unifi(card_t *card, void *dlpriv, - const struct PTDL *ptdl, u32 handle, - u32 op_addr) -{ - u32 offset; - u8 *buf; - s32 data_len; - u32 write_len; - CsrResult r; - const u16 buf_size = 2 * 1024; - - offset = ptdl->dl_offset; - data_len = ptdl->dl_size; - - if (data_len > buf_size) - { - unifi_error(card->ospriv, "PTDL block is too large (%u)\n", - ptdl->dl_size); - return CSR_WIFI_HIP_RESULT_INVALID_VALUE; - } - - buf = kmalloc(buf_size, GFP_KERNEL); - if (buf == NULL) - { - unifi_error(card->ospriv, "Failed to allocate transfer buffer for firmware download\n"); - return CSR_WIFI_HIP_RESULT_NO_MEMORY; - } - - r = CSR_RESULT_SUCCESS; - - if (unifi_fw_read(card->ospriv, dlpriv, offset, buf, data_len) != data_len) - { - unifi_error(card->ospriv, "Failed to read from file\n"); - } - else - { - /* We can always round these if the host wants to */ - if (card->sdio_io_block_pad) - { - write_len = (data_len + (card->sdio_io_block_size - 1)) & - ~(card->sdio_io_block_size - 1); - - /* Zero out the rest of the buffer (This isn't needed, but it - * makes debugging things later much easier). */ - memset(buf + data_len, 0, write_len - data_len); - } - else - { - write_len = data_len; - } - - r = unifi_bulk_rw_noretry(card, handle, buf, write_len, UNIFI_SDIO_WRITE); - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "CMD53 failed writing %d bytes to handle %ld\n", - data_len, handle); - } - else - { - /* - * Can change the order of things to overlap read from file - * with copy to unifi - */ - r = unifi_do_loader_op(card, op_addr, UNIFI_BOOT_LOADER_PATCH); - } - } - - kfree(buf); - - if (r != CSR_RESULT_SUCCESS && r != CSR_WIFI_HIP_RESULT_NO_DEVICE) - { - unifi_error(card->ospriv, "Failed to copy block of %u bytes to UniFi\n", - ptdl->dl_size); - } - - return r; -} /* send_ptdl_to_unifi() */ - - -/* - * --------------------------------------------------------------------------- - * do_patch_download - * - * This function downloads a set of patches to UniFi and then - * causes it to restart. - * - * Arguments: - * card Pointer to card struct. - * dlpriv A context pointer from the calling function to be - * used when reading the XBV file. This can be NULL - * in which case not patches are applied. - * pfwinfo Pointer to a fwinfo struct describing the f/w - * XBV file. - * boot_ctrl_addr The address of the boot loader control structure. - * - * Returns: - * 0 on success, or an error code - * CSR_WIFI_HIP_RESULT_INVALID_VALUE for a bad laoader version number - * --------------------------------------------------------------------------- - */ -static CsrResult do_patch_download(card_t *card, void *dlpriv, xbv1_t *pfwinfo, u32 boot_ctrl_addr) -{ - CsrResult r; - s32 i; - u16 loader_version; - u16 handle; - u32 total_bytes; - - /* - * Read info from the SDIO Loader Control Data Structure - */ - /* Check the loader version */ - r = unifi_card_read16(card, boot_ctrl_addr, &loader_version); - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "Patch download: Failed to read loader version\n"); - return r; - } - unifi_trace(card->ospriv, UDBG2, "Patch download: boot loader version 0x%04X\n", loader_version); - switch (loader_version) - { - case 0x0000: - break; - - default: - unifi_error(card->ospriv, "Patch loader version (0x%04X) is not supported by this driver\n", - loader_version); - return CSR_WIFI_HIP_RESULT_INVALID_VALUE; - } - - /* Retrieve the handle to use with CMD53 */ - r = unifi_card_read16(card, boot_ctrl_addr + 4, &handle); - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "Patch download: Failed to read loader handle\n"); - return r; - } - - /* Set the mask of LEDs to flash */ - if (card->loader_led_mask) - { - r = unifi_card_write16(card, boot_ctrl_addr + 2, - (u16)card->loader_led_mask); - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "Patch download: Failed to write LED mask\n"); - return r; - } - } - - total_bytes = 0; - - /* Copy download data to UniFi memory */ - for (i = 0; i < pfwinfo->num_ptdl; i++) - { - unifi_trace(card->ospriv, UDBG3, "Patch download: %d Downloading for %d from offset %d\n", - i, - pfwinfo->ptdl[i].dl_size, - pfwinfo->ptdl[i].dl_offset); - - r = send_ptdl_to_unifi(card, dlpriv, &pfwinfo->ptdl[i], - handle, boot_ctrl_addr + 6); - if (r == CSR_WIFI_HIP_RESULT_NO_DEVICE) - { - return r; - } - if (r != CSR_RESULT_SUCCESS) - { - unifi_error(card->ospriv, "Patch failed after %u bytes\n", - total_bytes); - return r; - } - total_bytes += pfwinfo->ptdl[i].dl_size; - } - - return CSR_RESULT_SUCCESS; -} /* do_patch_download() */ - - |