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ata: pata_parport-bpck6: remove useless range check from read/write_regr

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bpck6_read_regr() and bpck6_write_regr() check values of cont and reg
but there's no point in doing that. They can only be called with
a fixed set of values. Remove the checks.

Signed-off-by: Ondrej Zary <linux@zary.sk>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
This commit is contained in:
Ondrej Zary 2023-03-07 23:45:57 +01:00 committed by Damien Le Moal
parent 7ec02c5e99
commit 84d890fc09
1 changed files with 2 additions and 14 deletions
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16
drivers/ata/pata_parport/bpck6.c
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@ -25,24 +25,12 @@
static int bpck6_read_regr(struct pi_adapter *pi, int cont, int reg)
{
unsigned int out;
/* check for bad settings */
if (reg<0 || reg>7 || cont<0 || cont>2)
{
return(-1);
}
out=ppc6_rd_port(PPCSTRUCT(pi),cont?reg|8:reg);
return(out);
return ppc6_rd_port(PPCSTRUCT(pi), cont?reg|8:reg);
}
static void bpck6_write_regr(struct pi_adapter *pi, int cont, int reg, int val)
{
/* check for bad settings */
if (reg>=0 && reg<=7 && cont>=0 && cont<=1)
{
ppc6_wr_port(PPCSTRUCT(pi),cont?reg|8:reg,(u8)val);
}
ppc6_wr_port(PPCSTRUCT(pi), cont?reg|8:reg, val);
}
static void bpck6_write_block(struct pi_adapter *pi, char *buf, int len)