[PATCH v2] pata_pdc2027x: Remove unnecessary error check and coding style error.

Here, The function pdc_hardware_init always return zero. So it is not necessary to check its return value. So make the function return void. Fix these checkpatch.pl error: ERROR: space prohibited after that '~' (ctx:WxW) + mask &= ~ (1 << (6 + ATA_SHIFT_UDMA)); ERROR: spaces

[PATCH v2] pata_pdc2027x: Remove unnecessary error check and coding style error.

Here, The function pdc_hardware_init always return zero. So it is not necessary to check its return value. So make the function return void. Fix these checkpatch.pl error: ERROR: space prohibited after that '~' (ctx:WxW) + mask &= ~ (1 << (6 + ATA_SHIFT_UDMA)); ERROR: spaces