diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2021-07-26 01:28:05 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2021-08-04 12:20:27 +0200 |
| commit | d2b507acc62d9cdeed0885392ae8c33f8f1a109c (patch) | |
| tree | 31692251a03a653c5c62d9726353c89f05e3d66f /drivers/ata | |
| parent | f62b38965ad4cdee29912564f666b9a021d1910d (diff) | |
| download | linux-d2b507acc62d9cdeed0885392ae8c33f8f1a109c.tar.gz linux-d2b507acc62d9cdeed0885392ae8c33f8f1a109c.tar.xz | |
pata: ixp4xx: Use IS_ENABLED() to determine endianness
Instead of an ARM-specific ifdef, use the global CPU config
and if (IS_ENABLED()).
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/pata_ixp4xx_cf.c | 45 |
1 files changed, 22 insertions, 23 deletions
diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c index 23f0f7cacd52..bc5029d6525d 100644 --- a/drivers/ata/pata_ixp4xx_cf.c +++ b/drivers/ata/pata_ixp4xx_cf.c @@ -107,29 +107,28 @@ static void ixp4xx_setup_port(struct ata_port *ap, ata_sff_std_ports(ioaddr); -#ifndef __ARMEB__ - - /* adjust the addresses to handle the address swizzling of the - * ixp4xx in little endian mode. - */ - - *(unsigned long *)&ioaddr->data_addr ^= 0x02; - *(unsigned long *)&ioaddr->cmd_addr ^= 0x03; - *(unsigned long *)&ioaddr->altstatus_addr ^= 0x03; - *(unsigned long *)&ioaddr->ctl_addr ^= 0x03; - *(unsigned long *)&ioaddr->error_addr ^= 0x03; - *(unsigned long *)&ioaddr->feature_addr ^= 0x03; - *(unsigned long *)&ioaddr->nsect_addr ^= 0x03; - *(unsigned long *)&ioaddr->lbal_addr ^= 0x03; - *(unsigned long *)&ioaddr->lbam_addr ^= 0x03; - *(unsigned long *)&ioaddr->lbah_addr ^= 0x03; - *(unsigned long *)&ioaddr->device_addr ^= 0x03; - *(unsigned long *)&ioaddr->status_addr ^= 0x03; - *(unsigned long *)&ioaddr->command_addr ^= 0x03; - - raw_cmd ^= 0x03; - raw_ctl ^= 0x03; -#endif + if (!IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) { + /* adjust the addresses to handle the address swizzling of the + * ixp4xx in little endian mode. + */ + + *(unsigned long *)&ioaddr->data_addr ^= 0x02; + *(unsigned long *)&ioaddr->cmd_addr ^= 0x03; + *(unsigned long *)&ioaddr->altstatus_addr ^= 0x03; + *(unsigned long *)&ioaddr->ctl_addr ^= 0x03; + *(unsigned long *)&ioaddr->error_addr ^= 0x03; + *(unsigned long *)&ioaddr->feature_addr ^= 0x03; + *(unsigned long *)&ioaddr->nsect_addr ^= 0x03; + *(unsigned long *)&ioaddr->lbal_addr ^= 0x03; + *(unsigned long *)&ioaddr->lbam_addr ^= 0x03; + *(unsigned long *)&ioaddr->lbah_addr ^= 0x03; + *(unsigned long *)&ioaddr->device_addr ^= 0x03; + *(unsigned long *)&ioaddr->status_addr ^= 0x03; + *(unsigned long *)&ioaddr->command_addr ^= 0x03; + + raw_cmd ^= 0x03; + raw_ctl ^= 0x03; + } ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", raw_cmd, raw_ctl); } |