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iwlwifi: move dump_fh into common code 

This means it can be shared for different transport
layers in the future.

Signed-off-by: Inbal Hacohen <Inbal.Hacohen@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
This commit is contained in:
Inbal Hacohen 2013-06-24 10:35:53 +03:00 committed by Johannes Berg
parent ad81f0545e
commit 313b0a294f
5 changed files with 72 additions and 68 deletions
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67
drivers/net/wireless/iwlwifi/iwl-io.c
View File

@ -33,6 +33,8 @@
#include "iwl-io.h"
#include "iwl-csr.h"
#include "iwl-debug.h"
#include "iwl-fh.h"
#include "iwl-csr.h"
#define IWL_POLL_INTERVAL 10 /* microseconds */
@ -166,3 +168,68 @@ void iwl_clear_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask)
}
}
IWL_EXPORT_SYMBOL(iwl_clear_bits_prph);
static const char *get_fh_string(int cmd)
{
#define IWL_CMD(x) case x: return #x
switch (cmd) {
IWL_CMD(FH_RSCSR_CHNL0_STTS_WPTR_REG);
IWL_CMD(FH_RSCSR_CHNL0_RBDCB_BASE_REG);
IWL_CMD(FH_RSCSR_CHNL0_WPTR);
IWL_CMD(FH_MEM_RCSR_CHNL0_CONFIG_REG);
IWL_CMD(FH_MEM_RSSR_SHARED_CTRL_REG);
IWL_CMD(FH_MEM_RSSR_RX_STATUS_REG);
IWL_CMD(FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV);
IWL_CMD(FH_TSSR_TX_STATUS_REG);
IWL_CMD(FH_TSSR_TX_ERROR_REG);
default:
return "UNKNOWN";
}
#undef IWL_CMD
}
int iwl_dump_fh(struct iwl_trans *trans, char **buf)
{
int i;
static const u32 fh_tbl[] = {
FH_RSCSR_CHNL0_STTS_WPTR_REG,
FH_RSCSR_CHNL0_RBDCB_BASE_REG,
FH_RSCSR_CHNL0_WPTR,
FH_MEM_RCSR_CHNL0_CONFIG_REG,
FH_MEM_RSSR_SHARED_CTRL_REG,
FH_MEM_RSSR_RX_STATUS_REG,
FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV,
FH_TSSR_TX_STATUS_REG,
FH_TSSR_TX_ERROR_REG
};
#ifdef CONFIG_IWLWIFI_DEBUGFS
if (buf) {
int pos = 0;
size_t bufsz = ARRAY_SIZE(fh_tbl) * 48 + 40;
*buf = kmalloc(bufsz, GFP_KERNEL);
if (!*buf)
return -ENOMEM;
pos += scnprintf(*buf + pos, bufsz - pos,
"FH register values:\n");
for (i = 0; i < ARRAY_SIZE(fh_tbl); i++)
pos += scnprintf(*buf + pos, bufsz - pos,
" %34s: 0X%08x\n",
get_fh_string(fh_tbl[i]),
iwl_read_direct32(trans, fh_tbl[i]));
return pos;
}
#endif
IWL_ERR(trans, "FH register values:\n");
for (i = 0; i < ARRAY_SIZE(fh_tbl); i++)
IWL_ERR(trans, " %34s: 0X%08x\n",
get_fh_string(fh_tbl[i]),
iwl_read_direct32(trans, fh_tbl[i]));
return 0;
}

3
drivers/net/wireless/iwlwifi/iwl-io.h
View File

@ -77,4 +77,7 @@ void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 ofs,
u32 bits, u32 mask);
void iwl_clear_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask);
/* Error handling */
int iwl_dump_fh(struct iwl_trans *trans, char **buf);
#endif

1
drivers/net/wireless/iwlwifi/pcie/internal.h
View File

@ -392,7 +392,6 @@ void iwl_trans_pcie_tx_reset(struct iwl_trans *trans);
/*****************************************************
* Error handling
******************************************************/
int iwl_pcie_dump_fh(struct iwl_trans *trans, char **buf);
void iwl_pcie_dump_csr(struct iwl_trans *trans);
/*****************************************************

2
drivers/net/wireless/iwlwifi/pcie/rx.c
View File

@ -793,7 +793,7 @@ static void iwl_pcie_irq_handle_error(struct iwl_trans *trans)
}
iwl_pcie_dump_csr(trans);
iwl_pcie_dump_fh(trans, NULL);
iwl_dump_fh(trans, NULL);
set_bit(STATUS_FW_ERROR, &trans_pcie->status);
clear_bit(STATUS_HCMD_ACTIVE, &trans_pcie->status);

67
drivers/net/wireless/iwlwifi/pcie/trans.c
View File

@ -1033,71 +1033,6 @@ static void iwl_trans_pcie_set_bits_mask(struct iwl_trans *trans, u32 reg,
spin_unlock_irqrestore(&trans_pcie->reg_lock, flags);
}
static const char *get_fh_string(int cmd)
{
#define IWL_CMD(x) case x: return #x
switch (cmd) {
IWL_CMD(FH_RSCSR_CHNL0_STTS_WPTR_REG);
IWL_CMD(FH_RSCSR_CHNL0_RBDCB_BASE_REG);
IWL_CMD(FH_RSCSR_CHNL0_WPTR);
IWL_CMD(FH_MEM_RCSR_CHNL0_CONFIG_REG);
IWL_CMD(FH_MEM_RSSR_SHARED_CTRL_REG);
IWL_CMD(FH_MEM_RSSR_RX_STATUS_REG);
IWL_CMD(FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV);
IWL_CMD(FH_TSSR_TX_STATUS_REG);
IWL_CMD(FH_TSSR_TX_ERROR_REG);
default:
return "UNKNOWN";
}
#undef IWL_CMD
}
int iwl_pcie_dump_fh(struct iwl_trans *trans, char **buf)
{
int i;
static const u32 fh_tbl[] = {
FH_RSCSR_CHNL0_STTS_WPTR_REG,
FH_RSCSR_CHNL0_RBDCB_BASE_REG,
FH_RSCSR_CHNL0_WPTR,
FH_MEM_RCSR_CHNL0_CONFIG_REG,
FH_MEM_RSSR_SHARED_CTRL_REG,
FH_MEM_RSSR_RX_STATUS_REG,
FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV,
FH_TSSR_TX_STATUS_REG,
FH_TSSR_TX_ERROR_REG
};
#ifdef CONFIG_IWLWIFI_DEBUGFS
if (buf) {
int pos = 0;
size_t bufsz = ARRAY_SIZE(fh_tbl) * 48 + 40;
*buf = kmalloc(bufsz, GFP_KERNEL);
if (!*buf)
return -ENOMEM;
pos += scnprintf(*buf + pos, bufsz - pos,
"FH register values:\n");
for (i = 0; i < ARRAY_SIZE(fh_tbl); i++)
pos += scnprintf(*buf + pos, bufsz - pos,
" %34s: 0X%08x\n",
get_fh_string(fh_tbl[i]),
iwl_read_direct32(trans, fh_tbl[i]));
return pos;
}
#endif
IWL_ERR(trans, "FH register values:\n");
for (i = 0; i < ARRAY_SIZE(fh_tbl); i++)
IWL_ERR(trans, " %34s: 0X%08x\n",
get_fh_string(fh_tbl[i]),
iwl_read_direct32(trans, fh_tbl[i]));
return 0;
}
static const char *get_csr_string(int cmd)
{
#define IWL_CMD(x) case x: return #x
@ -1390,7 +1325,7 @@ static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
int pos = 0;
ssize_t ret = -EFAULT;
ret = pos = iwl_pcie_dump_fh(trans, &buf);
ret = pos = iwl_dump_fh(trans, &buf);
if (buf) {
ret = simple_read_from_buffer(user_buf,
count, ppos, buf, pos);