From db24d7432494a3d51d71b4c127ba286c58c436fe Mon Sep 17 00:00:00 2001 From: Ondrej Zary Date: Tue, 7 Mar 2023 23:46:15 +0100 Subject: [PATCH] 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 Signed-off-by: Damien Le Moal --- drivers/ata/pata_parport/bpck6.c | 49 +++++++++++++++++++- drivers/ata/pata_parport/ppc6lnx.c | 91 -------------------------------------- 2 files changed, 48 insertions(+), 92 deletions(-) diff --git a/drivers/ata/pata_parport/bpck6.c b/drivers/ata/pata_parport/bpck6.c index 1c04fca..d379603 100644 --- a/drivers/ata/pata_parport/bpck6.c +++ b/drivers/ata/pata_parport/bpck6.c @@ -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); } diff --git a/drivers/ata/pata_parport/ppc6lnx.c b/drivers/ata/pata_parport/ppc6lnx.c index d275de3..679261e 100644 --- a/drivers/ata/pata_parport/ppc6lnx.c +++ b/drivers/ata/pata_parport/ppc6lnx.c @@ -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; -- 2.7.4