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Date: Thu, 30 Mar 2017 15:15:28 +0530
From: Prameela Rani Garnepudi <prameela.j04cs@...il.com>
To: kvalo@...eaurora.org
Cc: linux-kernel@...r.kernel.org,
prameela.garnepudi@...pinesignals.com,
Prameela Rani Garnepudi <prameela.j04cs@...il.com>
Subject: [PATCH 3/3] rsi: Remove old firmware loading method for RS9113 chip set
Older firmware loading method is not being used by any RSI
module. Hence removing that part of code doesn't impact.
Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@...il.com>
---
drivers/net/wireless/rsi/rsi_91x_sdio_ops.c | 187 ----------------------------
drivers/net/wireless/rsi/rsi_91x_usb_ops.c | 124 ------------------
2 files changed, 311 deletions(-)
diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
index c516be1..d8581c3 100644
--- a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
+++ b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
@@ -21,171 +21,6 @@
#include "rsi_hal.h"
/**
- * rsi_copy_to_card() - This function includes the actual funtionality of
- * copying the TA firmware to the card.Basically this
- * function includes opening the TA file,reading the
- * TA file and writing their values in blocks of data.
- * @common: Pointer to the driver private structure.
- * @fw: Pointer to the firmware value to be written.
- * @len: length of firmware file.
- * @num_blocks: Number of blocks to be written to the card.
- *
- * Return: 0 on success and -1 on failure.
- */
-static int rsi_copy_to_card(struct rsi_common *common,
- const u8 *fw,
- u32 len,
- u32 num_blocks)
-{
- struct rsi_hw *adapter = common->priv;
- struct rsi_91x_sdiodev *dev =
- (struct rsi_91x_sdiodev *)adapter->rsi_dev;
- u32 indx, ii;
- u32 block_size = dev->tx_blk_size;
- u32 lsb_address;
- __le32 data[] = { TA_HOLD_THREAD_VALUE, TA_SOFT_RST_CLR,
- TA_PC_ZERO, TA_RELEASE_THREAD_VALUE };
- u32 address[] = { TA_HOLD_THREAD_REG, TA_SOFT_RESET_REG,
- TA_TH0_PC_REG, TA_RELEASE_THREAD_REG };
- u32 base_address;
- u16 msb_address;
-
- base_address = TA_LOAD_ADDRESS;
- msb_address = base_address >> 16;
-
- for (indx = 0, ii = 0; ii < num_blocks; ii++, indx += block_size) {
- lsb_address = ((u16) base_address | RSI_SD_REQUEST_MASTER);
- if (rsi_sdio_write_register_multiple(adapter,
- lsb_address,
- (u8 *)(fw + indx),
- block_size)) {
- rsi_dbg(ERR_ZONE,
- "%s: Unable to load %s blk\n", __func__,
- FIRMWARE_RSI9113);
- return -1;
- }
- rsi_dbg(INIT_ZONE, "%s: loading block: %d\n", __func__, ii);
- base_address += block_size;
- if ((base_address >> 16) != msb_address) {
- msb_address += 1;
- if (rsi_sdio_master_access_msword(adapter,
- msb_address)) {
- rsi_dbg(ERR_ZONE,
- "%s: Unable to set ms word reg\n",
- __func__);
- return -1;
- }
- }
- }
-
- if (len % block_size) {
- lsb_address = ((u16) base_address | RSI_SD_REQUEST_MASTER);
- if (rsi_sdio_write_register_multiple(adapter,
- lsb_address,
- (u8 *)(fw + indx),
- len % block_size)) {
- rsi_dbg(ERR_ZONE,
- "%s: Unable to load f/w\n", __func__);
- return -1;
- }
- }
- rsi_dbg(INIT_ZONE,
- "%s: Succesfully loaded TA instructions\n", __func__);
-
- if (rsi_sdio_master_access_msword(adapter, TA_BASE_ADDR)) {
- rsi_dbg(ERR_ZONE,
- "%s: Unable to set ms word to common reg\n",
- __func__);
- return -1;
- }
-
- for (ii = 0; ii < ARRAY_SIZE(data); ii++) {
- /* Bringing TA out of reset */
- if (rsi_sdio_write_register_multiple(adapter,
- (address[ii] |
- RSI_SD_REQUEST_MASTER),
- (u8 *)&data[ii],
- 4)) {
- rsi_dbg(ERR_ZONE,
- "%s: Unable to hold TA threads\n", __func__);
- return -1;
- }
- }
-
- rsi_dbg(INIT_ZONE, "%s: loaded firmware\n", __func__);
- return 0;
-}
-
-/**
- * rsi_load_ta_instructions() - This function includes the actual funtionality
- * of loading the TA firmware.This function also
- * includes opening the TA file,reading the TA
- * file and writing their value in blocks of data.
- * @common: Pointer to the driver private structure.
- *
- * Return: status: 0 on success, -1 on failure.
- */
-static int rsi_load_ta_instructions(struct rsi_common *common)
-{
- struct rsi_hw *adapter = common->priv;
- struct rsi_91x_sdiodev *dev =
- (struct rsi_91x_sdiodev *)adapter->rsi_dev;
- u32 len;
- u32 num_blocks;
- const u8 *fw;
- const struct firmware *fw_entry = NULL;
- u32 block_size = dev->tx_blk_size;
- int status = 0;
- u32 base_address;
- u16 msb_address;
-
- if (rsi_sdio_master_access_msword(adapter, TA_BASE_ADDR)) {
- rsi_dbg(ERR_ZONE,
- "%s: Unable to set ms word to common reg\n",
- __func__);
- return -1;
- }
- base_address = TA_LOAD_ADDRESS;
- msb_address = (base_address >> 16);
-
- if (rsi_sdio_master_access_msword(adapter, msb_address)) {
- rsi_dbg(ERR_ZONE,
- "%s: Unable to set ms word reg\n", __func__);
- return -1;
- }
-
- status = request_firmware(&fw_entry, FIRMWARE_RSI9113, adapter->device);
- if (status < 0) {
- rsi_dbg(ERR_ZONE, "%s Firmware file %s not found\n",
- __func__, FIRMWARE_RSI9113);
- return status;
- }
-
- /* Copy firmware into DMA-accessible memory */
- fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL);
- if (!fw) {
- status = -ENOMEM;
- goto out;
- }
- len = fw_entry->size;
-
- if (len % 4)
- len += (4 - (len % 4));
-
- num_blocks = (len / block_size);
-
- rsi_dbg(INIT_ZONE, "%s: Instruction size:%d\n", __func__, len);
- rsi_dbg(INIT_ZONE, "%s: num blocks: %d\n", __func__, num_blocks);
-
- status = rsi_copy_to_card(common, fw, len, num_blocks);
- kfree(fw);
-
-out:
- release_firmware(fw_entry);
- return status;
-}
-
-/**
* rsi_process_pkt() - This Function reads rx_blocks register and figures out
* the size of the rx pkt.
* @common: Pointer to the driver private structure.
@@ -432,28 +267,6 @@ void rsi_interrupt_handler(struct rsi_hw *adapter)
}
/**
- * rsi_device_init() - This Function Initializes The HAL.
- * @common: Pointer to the driver private structure.
- *
- * Return: 0 on success, -1 on failure.
- */
-int rsi_sdio_device_init(struct rsi_common *common)
-{
- if (rsi_load_ta_instructions(common))
- return -1;
-
- if (rsi_sdio_master_access_msword(common->priv, MISC_CFG_BASE_ADDR)) {
- rsi_dbg(ERR_ZONE, "%s: Unable to set ms word reg\n",
- __func__);
- return -1;
- }
- rsi_dbg(INIT_ZONE,
- "%s: Setting ms word to 0x41050000\n", __func__);
-
- return 0;
-}
-
-/**
* rsi_sdio_read_buffer_status_register() - This function is used to the read
* buffer status register and set
* relevant fields in
diff --git a/drivers/net/wireless/rsi/rsi_91x_usb_ops.c b/drivers/net/wireless/rsi/rsi_91x_usb_ops.c
index de49008..ce22ab9 100644
--- a/drivers/net/wireless/rsi/rsi_91x_usb_ops.c
+++ b/drivers/net/wireless/rsi/rsi_91x_usb_ops.c
@@ -19,67 +19,6 @@
#include "rsi_usb.h"
/**
- * rsi_copy_to_card() - This function includes the actual funtionality of
- * copying the TA firmware to the card.Basically this
- * function includes opening the TA file,reading the TA
- * file and writing their values in blocks of data.
- * @common: Pointer to the driver private structure.
- * @fw: Pointer to the firmware value to be written.
- * @len: length of firmware file.
- * @num_blocks: Number of blocks to be written to the card.
- *
- * Return: 0 on success and -1 on failure.
- */
-static int rsi_copy_to_card(struct rsi_common *common,
- const u8 *fw,
- u32 len,
- u32 num_blocks)
-{
- struct rsi_hw *adapter = common->priv;
- struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
- u32 indx, ii;
- u32 block_size = dev->tx_blk_size;
- u32 lsb_address;
- u32 base_address;
-
- base_address = TA_LOAD_ADDRESS;
-
- for (indx = 0, ii = 0; ii < num_blocks; ii++, indx += block_size) {
- lsb_address = base_address;
- if (rsi_usb_write_register_multiple(adapter,
- lsb_address,
- (u8 *)(fw + indx),
- block_size)) {
- rsi_dbg(ERR_ZONE,
- "%s: Unable to load %s blk\n", __func__,
- FIRMWARE_RSI9113);
- return -EIO;
- }
- rsi_dbg(INIT_ZONE, "%s: loading block: %d\n", __func__, ii);
- base_address += block_size;
- }
-
- if (len % block_size) {
- lsb_address = base_address;
- if (rsi_usb_write_register_multiple(adapter,
- lsb_address,
- (u8 *)(fw + indx),
- len % block_size)) {
- rsi_dbg(ERR_ZONE,
- "%s: Unable to load %s blk\n", __func__,
- FIRMWARE_RSI9113);
- return -EIO;
- }
- }
- rsi_dbg(INIT_ZONE,
- "%s: Succesfully loaded %s instructions\n", __func__,
- FIRMWARE_RSI9113);
-
- rsi_dbg(INIT_ZONE, "%s: loaded firmware\n", __func__);
- return 0;
-}
-
-/**
* rsi_usb_rx_thread() - This is a kernel thread to receive the packets from
* the USB device.
* @common: Pointer to the driver private structure.
@@ -120,66 +59,3 @@ void rsi_usb_rx_thread(struct rsi_common *common)
}
-/**
- * rsi_load_ta_instructions() - This function includes the actual funtionality
- * of loading the TA firmware.This function also
- * includes opening the TA file,reading the TA
- * file and writing their value in blocks of data.
- * @common: Pointer to the driver private structure.
- *
- * Return: status: 0 on success, -1 on failure.
- */
-static int rsi_load_ta_instructions(struct rsi_common *common)
-{
- struct rsi_hw *adapter = common->priv;
- struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
- const struct firmware *fw_entry = NULL;
- u32 block_size = dev->tx_blk_size;
- const u8 *fw;
- u32 num_blocks, len;
- int status = 0;
-
- status = request_firmware(&fw_entry, FIRMWARE_RSI9113, adapter->device);
- if (status < 0) {
- rsi_dbg(ERR_ZONE, "%s Firmware file %s not found\n",
- __func__, FIRMWARE_RSI9113);
- return status;
- }
-
- /* Copy firmware into DMA-accessible memory */
- fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL);
- if (!fw) {
- status = -ENOMEM;
- goto out;
- }
- len = fw_entry->size;
-
- if (len % 4)
- len += (4 - (len % 4));
-
- num_blocks = (len / block_size);
-
- rsi_dbg(INIT_ZONE, "%s: Instruction size:%d\n", __func__, len);
- rsi_dbg(INIT_ZONE, "%s: num blocks: %d\n", __func__, num_blocks);
-
- status = rsi_copy_to_card(common, fw, len, num_blocks);
- kfree(fw);
-
-out:
- release_firmware(fw_entry);
- return status;
-}
-
-/**
- * rsi_device_init() - This Function Initializes The HAL.
- * @common: Pointer to the driver private structure.
- *
- * Return: 0 on success, -1 on failure.
- */
-int rsi_usb_device_init(struct rsi_common *common)
-{
- if (rsi_load_ta_instructions(common))
- return -EIO;
-
- return 0;
- }
--
2.4.0
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