diff options
| author | Ondrej Zary <linux@zary.sk> | 2023-03-08 01:46:27 +0300 |
|---|---|---|
| committer | Damien Le Moal <damien.lemoal@opensource.wdc.com> | 2023-03-23 06:22:20 +0300 |
| commit | 083ad04d317249ed35e54dd805cbc325e3e84424 (patch) | |
| tree | 7922ce85d85c29fc3048744f6b472da03c2dd96a /drivers/ata | |
| parent | 49745f621a2a850c68d5e6c2967a88d811027a97 (diff) | |
| download | linux-083ad04d317249ed35e54dd805cbc325e3e84424.tar.xz | |
ata: pata_parport-bpck6: reduce indents in bpck6_open
Reverse error handling conditions to reduce code indents in bpck6_open.
Signed-off-by: Ondrej Zary <linux@zary.sk>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/pata_parport/bpck6.c | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/drivers/ata/pata_parport/bpck6.c b/drivers/ata/pata_parport/bpck6.c index 53d0ad1d6e89..295dbe5cdaa4 100644 --- a/drivers/ata/pata_parport/bpck6.c +++ b/drivers/ata/pata_parport/bpck6.c @@ -318,30 +318,32 @@ static int bpck6_open(struct pi_adapter *pi) j = ((i & 0x08) << 4) | ((i & 0x07) << 3); k = parport_read_status(pi->pardev->port) & 0xB8; - if (j == k) { - parport_frob_control(pi->pardev->port, PARPORT_CONTROL_AUTOFD, 0); - k = (parport_read_status(pi->pardev->port) & 0xB8) ^ 0xB8; - if (j == k) { - if (i & 4) // EPP - parport_frob_control(pi->pardev->port, - PARPORT_CONTROL_SELECT | PARPORT_CONTROL_INIT, 0); - else // PPC/ECP - parport_frob_control(pi->pardev->port, - PARPORT_CONTROL_SELECT, 0); - - pi->private = 0; - - bpck6_send_cmd(pi, ACCESS_REG | ACCESS_WRITE | REG_RAMSIZE); - bpck6_wr_data_byte(pi, RAMSIZE_128K); - - bpck6_send_cmd(pi, ACCESS_REG | ACCESS_READ | REG_VERSION); - if ((bpck6_rd_data_byte(pi) & 0x3F) == 0x0C) - pi->private |= fifo_wait; - - return 1; - } - } + if (j != k) + goto fail; + + parport_frob_control(pi->pardev->port, PARPORT_CONTROL_AUTOFD, 0); + k = (parport_read_status(pi->pardev->port) & 0xB8) ^ 0xB8; + if (j != k) + goto fail; + + if (i & 4) // EPP + parport_frob_control(pi->pardev->port, + PARPORT_CONTROL_SELECT | PARPORT_CONTROL_INIT, 0); + else // PPC/ECP + parport_frob_control(pi->pardev->port, PARPORT_CONTROL_SELECT, 0); + + pi->private = 0; + + bpck6_send_cmd(pi, ACCESS_REG | ACCESS_WRITE | REG_RAMSIZE); + bpck6_wr_data_byte(pi, RAMSIZE_128K); + + bpck6_send_cmd(pi, ACCESS_REG | ACCESS_READ | REG_VERSION); + if ((bpck6_rd_data_byte(pi) & 0x3F) == 0x0C) + pi->private |= fifo_wait; + + return 1; +fail: parport_write_control(pi->pardev->port, pi->saved_r2); parport_write_data(pi->pardev->port, pi->saved_r0); |