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-rw-r--r--drivers/net/wireless/iwlwifi/dvm/ucode.c4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-drv.c26
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-fw.h3
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/trans.c53
4 files changed, 58 insertions, 28 deletions
diff --git a/drivers/net/wireless/iwlwifi/dvm/ucode.c b/drivers/net/wireless/iwlwifi/dvm/ucode.c
index 6d8d6dd7943f..2cb1efbc5ed1 100644
--- a/drivers/net/wireless/iwlwifi/dvm/ucode.c
+++ b/drivers/net/wireless/iwlwifi/dvm/ucode.c
@@ -295,7 +295,7 @@ static int iwl_alive_notify(struct iwl_priv *priv)
static int iwl_verify_sec_sparse(struct iwl_priv *priv,
const struct fw_desc *fw_desc)
{
- __le32 *image = (__le32 *)fw_desc->v_addr;
+ __le32 *image = (__le32 *)fw_desc->data;
u32 len = fw_desc->len;
u32 val;
u32 i;
@@ -319,7 +319,7 @@ static int iwl_verify_sec_sparse(struct iwl_priv *priv,
static void iwl_print_mismatch_sec(struct iwl_priv *priv,
const struct fw_desc *fw_desc)
{
- __le32 *image = (__le32 *)fw_desc->v_addr;
+ __le32 *image = (__le32 *)fw_desc->data;
u32 len = fw_desc->len;
u32 val;
u32 offs;
diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c
index 48d6d44c16d0..198634b75ed0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/iwlwifi/iwl-drv.c
@@ -64,6 +64,7 @@
#include <linux/dma-mapping.h>
#include <linux/firmware.h>
#include <linux/module.h>
+#include <linux/vmalloc.h>
#include "iwl-drv.h"
#include "iwl-debug.h"
@@ -164,10 +165,8 @@ struct fw_sec {
static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
{
- if (desc->v_addr)
- dma_free_coherent(drv->trans->dev, desc->len,
- desc->v_addr, desc->p_addr);
- desc->v_addr = NULL;
+ vfree(desc->data);
+ desc->data = NULL;
desc->len = 0;
}
@@ -186,21 +185,24 @@ static void iwl_dealloc_ucode(struct iwl_drv *drv)
}
static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
- struct fw_sec *sec)
+ struct fw_sec *sec)
{
- if (!sec || !sec->size) {
- desc->v_addr = NULL;
+ void *data;
+
+ desc->data = NULL;
+
+ if (!sec || !sec->size)
return -EINVAL;
- }
- desc->v_addr = dma_alloc_coherent(drv->trans->dev, sec->size,
- &desc->p_addr, GFP_KERNEL);
- if (!desc->v_addr)
+ data = vmalloc(sec->size);
+ if (!data)
return -ENOMEM;
desc->len = sec->size;
desc->offset = sec->offset;
- memcpy(desc->v_addr, sec->data, sec->size);
+ memcpy(data, sec->data, desc->len);
+ desc->data = data;
+
return 0;
}
diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h b/drivers/net/wireless/iwlwifi/iwl-fw.h
index 2153e4cc5572..d1a86b66bc51 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fw.h
@@ -124,8 +124,7 @@ struct iwl_ucode_capabilities {
/* one for each uCode image (inst/data, init/runtime/wowlan) */
struct fw_desc {
- dma_addr_t p_addr; /* hardware address */
- void *v_addr; /* software address */
+ const void *data; /* vmalloc'ed data */
u32 len; /* size in bytes */
u32 offset; /* offset in the device */
};
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index d44fa2a220f1..3cb4f858d4eb 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -923,13 +923,10 @@ static int iwl_prepare_card_hw(struct iwl_trans *trans)
/*
* ucode
*/
-static int iwl_load_section(struct iwl_trans *trans, u8 section_num,
- const struct fw_desc *section)
+static int iwl_load_firmware_chunk(struct iwl_trans *trans, u32 dst_addr,
+ dma_addr_t phy_addr, u32 byte_cnt)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- dma_addr_t phy_addr = section->p_addr;
- u32 byte_cnt = section->len;
- u32 dst_addr = section->offset;
int ret;
trans_pcie->ucode_write_complete = false;
@@ -943,8 +940,8 @@ static int iwl_load_section(struct iwl_trans *trans, u8 section_num,
dst_addr);
iwl_write_direct32(trans,
- FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL),
- phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK);
+ FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL),
+ phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK);
iwl_write_direct32(trans,
FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL),
@@ -963,26 +960,58 @@ static int iwl_load_section(struct iwl_trans *trans, u8 section_num,
FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE |
FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD);
- IWL_DEBUG_FW(trans, "[%d] uCode section being loaded...\n",
- section_num);
ret = wait_event_timeout(trans_pcie->ucode_write_waitq,
trans_pcie->ucode_write_complete, 5 * HZ);
if (!ret) {
- IWL_ERR(trans, "Could not load the [%d] uCode section\n",
- section_num);
+ IWL_ERR(trans, "Failed to load firmware chunk!\n");
return -ETIMEDOUT;
}
return 0;
}
+static int iwl_load_section(struct iwl_trans *trans, u8 section_num,
+ const struct fw_desc *section)
+{
+ u8 *v_addr;
+ dma_addr_t p_addr;
+ u32 offset;
+ int ret = 0;
+
+ IWL_DEBUG_FW(trans, "[%d] uCode section being loaded...\n",
+ section_num);
+
+ v_addr = dma_alloc_coherent(trans->dev, PAGE_SIZE, &p_addr, GFP_KERNEL);
+ if (!v_addr)
+ return -ENOMEM;
+
+ for (offset = 0; offset < section->len; offset += PAGE_SIZE) {
+ u32 copy_size;
+
+ copy_size = min_t(u32, PAGE_SIZE, section->len - offset);
+
+ memcpy(v_addr, (u8 *)section->data + offset, copy_size);
+ ret = iwl_load_firmware_chunk(trans, section->offset + offset,
+ p_addr, copy_size);
+ if (ret) {
+ IWL_ERR(trans,
+ "Could not load the [%d] uCode section\n",
+ section_num);
+ break;
+ }
+ }
+
+ dma_free_coherent(trans->dev, PAGE_SIZE, v_addr, p_addr);
+ return ret;
+}
+
static int iwl_load_given_ucode(struct iwl_trans *trans,
const struct fw_img *image)
{
int i, ret = 0;
for (i = 0; i < IWL_UCODE_SECTION_MAX; i++) {
- if (!image->sec[i].p_addr)
+ if (!image->sec[i].data)
break;
ret = iwl_load_section(trans, i, &image->sec[i]);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-11 22:00:53 +0000