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ata: pata_parport-bpck6: merge ppc6_rd_data_blk into bpck6_read_block 

ppc6_rd_data_blk is only called by bpck6_read_block. Merge
ppc6_rd_data_blk into bpck6_read_block.

Signed-off-by: Ondrej Zary <linux@zary.sk>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
This commit is contained in:
Ondrej Zary 2023-03-07 23:46:15 +01:00 committed by Damien Le Moal
parent 4e21c863ea
commit db24d74324
2 changed files with 48 additions and 92 deletions
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49
drivers/ata/pata_parport/bpck6.c
View File

@ -57,7 +57,54 @@ static void bpck6_read_block(struct pi_adapter *pi, char *buf, int len)
ppc6_send_cmd(pi, CMD_PREFIX_SET | PREFIX_IO16 | PREFIX_BLK);
ppc6_send_cmd(pi, ATA_REG_DATA | ACCESS_PORT | ACCESS_READ);
ppc6_rd_data_blk(pi, buf, len);
switch (mode_map[pi->mode]) {
case PPCMODE_UNI_SW:
case PPCMODE_UNI_FW:
while (len) {
u8 d;
parport_frob_control(pi->pardev->port,
PARPORT_CONTROL_STROBE,
PARPORT_CONTROL_INIT); /* DATA STROBE */
d = parport_read_status(pi->pardev->port);
d = ((d & 0x80) >> 1) | ((d & 0x38) >> 3);
parport_frob_control(pi->pardev->port,
PARPORT_CONTROL_STROBE,
PARPORT_CONTROL_STROBE);
d |= parport_read_status(pi->pardev->port) & 0xB8;
*buf++ = d;
len--;
}
break;
case PPCMODE_BI_SW:
case PPCMODE_BI_FW:
parport_data_reverse(pi->pardev->port);
while (len) {
parport_frob_control(pi->pardev->port,
PARPORT_CONTROL_STROBE,
PARPORT_CONTROL_STROBE | PARPORT_CONTROL_INIT);
*buf++ = parport_read_data(pi->pardev->port);
len--;
}
parport_frob_control(pi->pardev->port, PARPORT_CONTROL_STROBE,
0);
parport_data_forward(pi->pardev->port);
break;
case PPCMODE_EPP_BYTE:
pi->pardev->port->ops->epp_read_data(pi->pardev->port, buf, len,
PARPORT_EPP_FAST_8);
break;
case PPCMODE_EPP_WORD:
pi->pardev->port->ops->epp_read_data(pi->pardev->port, buf, len,
PARPORT_EPP_FAST_16);
break;
case PPCMODE_EPP_DWORD:
pi->pardev->port->ops->epp_read_data(pi->pardev->port, buf, len,
PARPORT_EPP_FAST_32);
break;
}
ppc6_send_cmd(pi, CMD_PREFIX_RESET | PREFIX_IO16 | PREFIX_BLK);
}

91
drivers/ata/pata_parport/ppc6lnx.c
View File

@ -72,7 +72,6 @@ static void ppc6_deselect(struct pi_adapter *pi);
static void ppc6_send_cmd(struct pi_adapter *pi, u8 cmd);
static void ppc6_wr_data_byte(struct pi_adapter *pi, u8 data);
static u8 ppc6_rd_data_byte(struct pi_adapter *pi);
static void ppc6_rd_data_blk(struct pi_adapter *pi, u8 *data, long count);
static void ppc6_wait_for_fifo(struct pi_adapter *pi);
static void ppc6_wr_data_blk(struct pi_adapter *pi, u8 *data, long count);
static void ppc6_wr_extout(struct pi_adapter *pi, u8 regdata);
@ -284,96 +283,6 @@ static u8 ppc6_rd_data_byte(struct pi_adapter *pi)
//***************************************************************************
static void ppc6_rd_data_blk(struct pi_adapter *pi, u8 *data, long count)
{
switch (mode_map[pi->mode])
{
case PPCMODE_UNI_SW :
case PPCMODE_UNI_FW :
{
while(count)
{
u8 d;
parport_frob_control(pi->pardev->port,
PARPORT_CONTROL_STROBE, PARPORT_CONTROL_INIT);
// DELAY
d = parport_read_status(pi->pardev->port);
d = ((d & 0x80) >> 1) | ((d & 0x38) >> 3);
parport_frob_control(pi->pardev->port,
PARPORT_CONTROL_STROBE, PARPORT_CONTROL_STROBE);
// DELAY
d |= parport_read_status(pi->pardev->port) & 0xB8;
*data++ = d;
count--;
}
break;
}
case PPCMODE_BI_SW :
case PPCMODE_BI_FW :
{
parport_data_reverse(pi->pardev->port);
while(count)
{
parport_frob_control(pi->pardev->port, PARPORT_CONTROL_STROBE,
PARPORT_CONTROL_STROBE | PARPORT_CONTROL_INIT);
*data++ = parport_read_data(pi->pardev->port);
count--;
}
parport_frob_control(pi->pardev->port, PARPORT_CONTROL_STROBE, 0);
parport_data_forward(pi->pardev->port);
break;
}
case PPCMODE_EPP_BYTE :
{
// DELAY
pi->pardev->port->ops->epp_read_data(pi->pardev->port,
data, count, PARPORT_EPP_FAST_8);
break;
}
case PPCMODE_EPP_WORD :
{
// DELAY
pi->pardev->port->ops->epp_read_data(pi->pardev->port,
data, count, PARPORT_EPP_FAST_16);
break;
}
case PPCMODE_EPP_DWORD :
{
// DELAY
pi->pardev->port->ops->epp_read_data(pi->pardev->port,
data, count, PARPORT_EPP_FAST_32);
break;
}
}
}
//***************************************************************************
static void ppc6_wait_for_fifo(struct pi_adapter *pi)
{
int i;