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cxgb4: Remove dead function t4_read_edc and t4_read_mc

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Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hariprasad Shenai 2015-05-19 18:20:43 +05:30 committed by David S. Miller
parent b7a3a8e31f
commit 75daacc7ea
2 changed files with 0 additions and 114 deletions
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4
drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
View File

@ -1220,10 +1220,6 @@ void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
u32 t4_read_rss_pf_map(struct adapter *adapter);
u32 t4_read_rss_pf_mask(struct adapter *adapter);
int t4_mc_read(struct adapter *adap, int idx, u32 addr, __be32 *data,
u64 *parity);
int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data,
u64 *parity);
unsigned int t4_get_mps_bg_map(struct adapter *adapter, int idx);
void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);

110
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
View File

@ -332,116 +332,6 @@ int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
return -ETIMEDOUT;
}
/**
* t4_mc_read - read from MC through backdoor accesses
* @adap: the adapter
* @addr: address of first byte requested
* @idx: which MC to access
* @data: 64 bytes of data containing the requested address
* @ecc: where to store the corresponding 64-bit ECC word
*
* Read 64 bytes of data from MC starting at a 64-byte-aligned address
* that covers the requested address @addr. If @parity is not %NULL it
* is assigned the 64-bit ECC word for the read data.
*/
int t4_mc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc)
{
int i;
u32 mc_bist_cmd, mc_bist_cmd_addr, mc_bist_cmd_len;
u32 mc_bist_status_rdata, mc_bist_data_pattern;
if (is_t4(adap->params.chip)) {
mc_bist_cmd = MC_BIST_CMD_A;
mc_bist_cmd_addr = MC_BIST_CMD_ADDR_A;
mc_bist_cmd_len = MC_BIST_CMD_LEN_A;
mc_bist_status_rdata = MC_BIST_STATUS_RDATA_A;
mc_bist_data_pattern = MC_BIST_DATA_PATTERN_A;
} else {
mc_bist_cmd = MC_REG(MC_P_BIST_CMD_A, idx);
mc_bist_cmd_addr = MC_REG(MC_P_BIST_CMD_ADDR_A, idx);
mc_bist_cmd_len = MC_REG(MC_P_BIST_CMD_LEN_A, idx);
mc_bist_status_rdata = MC_REG(MC_P_BIST_STATUS_RDATA_A, idx);
mc_bist_data_pattern = MC_REG(MC_P_BIST_DATA_PATTERN_A, idx);
}
if (t4_read_reg(adap, mc_bist_cmd) & START_BIST_F)
return -EBUSY;
t4_write_reg(adap, mc_bist_cmd_addr, addr & ~0x3fU);
t4_write_reg(adap, mc_bist_cmd_len, 64);
t4_write_reg(adap, mc_bist_data_pattern, 0xc);
t4_write_reg(adap, mc_bist_cmd, BIST_OPCODE_V(1) | START_BIST_F |
BIST_CMD_GAP_V(1));
i = t4_wait_op_done(adap, mc_bist_cmd, START_BIST_F, 0, 10, 1);
if (i)
return i;
#define MC_DATA(i) MC_BIST_STATUS_REG(mc_bist_status_rdata, i)
for (i = 15; i >= 0; i--)
*data++ = htonl(t4_read_reg(adap, MC_DATA(i)));
if (ecc)
*ecc = t4_read_reg64(adap, MC_DATA(16));
#undef MC_DATA
return 0;
}
/**
* t4_edc_read - read from EDC through backdoor accesses
* @adap: the adapter
* @idx: which EDC to access
* @addr: address of first byte requested
* @data: 64 bytes of data containing the requested address
* @ecc: where to store the corresponding 64-bit ECC word
*
* Read 64 bytes of data from EDC starting at a 64-byte-aligned address
* that covers the requested address @addr. If @parity is not %NULL it
* is assigned the 64-bit ECC word for the read data.
*/
int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc)
{
int i;
u32 edc_bist_cmd, edc_bist_cmd_addr, edc_bist_cmd_len;
u32 edc_bist_cmd_data_pattern, edc_bist_status_rdata;
if (is_t4(adap->params.chip)) {
edc_bist_cmd = EDC_REG(EDC_BIST_CMD_A, idx);
edc_bist_cmd_addr = EDC_REG(EDC_BIST_CMD_ADDR_A, idx);
edc_bist_cmd_len = EDC_REG(EDC_BIST_CMD_LEN_A, idx);
edc_bist_cmd_data_pattern = EDC_REG(EDC_BIST_DATA_PATTERN_A,
idx);
edc_bist_status_rdata = EDC_REG(EDC_BIST_STATUS_RDATA_A,
idx);
} else {
edc_bist_cmd = EDC_REG_T5(EDC_H_BIST_CMD_A, idx);
edc_bist_cmd_addr = EDC_REG_T5(EDC_H_BIST_CMD_ADDR_A, idx);
edc_bist_cmd_len = EDC_REG_T5(EDC_H_BIST_CMD_LEN_A, idx);
edc_bist_cmd_data_pattern =
EDC_REG_T5(EDC_H_BIST_DATA_PATTERN_A, idx);
edc_bist_status_rdata =
EDC_REG_T5(EDC_H_BIST_STATUS_RDATA_A, idx);
}
if (t4_read_reg(adap, edc_bist_cmd) & START_BIST_F)
return -EBUSY;
t4_write_reg(adap, edc_bist_cmd_addr, addr & ~0x3fU);
t4_write_reg(adap, edc_bist_cmd_len, 64);
t4_write_reg(adap, edc_bist_cmd_data_pattern, 0xc);
t4_write_reg(adap, edc_bist_cmd,
BIST_OPCODE_V(1) | BIST_CMD_GAP_V(1) | START_BIST_F);
i = t4_wait_op_done(adap, edc_bist_cmd, START_BIST_F, 0, 10, 1);
if (i)
return i;
#define EDC_DATA(i) (EDC_BIST_STATUS_REG(edc_bist_status_rdata, i))
for (i = 15; i >= 0; i--)
*data++ = htonl(t4_read_reg(adap, EDC_DATA(i)));
if (ecc)
*ecc = t4_read_reg64(adap, EDC_DATA(16));
#undef EDC_DATA
return 0;
}
/**
* t4_memory_rw - read/write EDC 0, EDC 1 or MC via PCIE memory window
* @adap: the adapter