[PATCH 02/32] pata_parport-bpck6: remove useless range check from read/write_regr

From: Ondrej Zary
Date: Tue Mar 07 2023 - 17:47:06 EST


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@xxxxxxx>
---
drivers/ata/pata_parport/bpck6.c | 16 ++--------------
1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/drivers/ata/pata_parport/bpck6.c b/drivers/ata/pata_parport/bpck6.c
index 842e8116b649..4d6edb9c1245 100644
--- a/drivers/ata/pata_parport/bpck6.c
+++ b/drivers/ata/pata_parport/bpck6.c
@@ -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)
--
Ondrej Zary