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aha1542: Unify aha1542_in and aha1542_in1 

Unify aha1542_in and aha1542_in1 functions, they differ only in timeout
and printk.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Ondrej Zary 2015-02-06 23:11:32 +01:00 committed by James Bottomley
parent 2093bfa136
commit f8846be334
1 changed files with 7 additions and 26 deletions
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31
drivers/scsi/aha1542.c
View File

@ -191,13 +191,13 @@ fail:
/* Only used at boot time, so we do not need to worry about latency as much
here */
static int aha1542_in(unsigned int base, u8 *cmdp, int len)
static int aha1542_in(unsigned int base, u8 *cmdp, int len, int timeout)
{
unsigned long flags;
spin_lock_irqsave(&aha1542_lock, flags);
while (len--) {
if (!wait_mask(STATUS(base), DF, DF, 0, 0))
if (!wait_mask(STATUS(base), DF, DF, 0, timeout))
goto fail;
*cmdp++ = inb(DATA(base));
}
@ -205,30 +205,11 @@ static int aha1542_in(unsigned int base, u8 *cmdp, int len)
return 0;
fail:
spin_unlock_irqrestore(&aha1542_lock, flags);
if (timeout == 0)
printk(KERN_ERR "aha1542_in failed(%d): ", len + 1);
return 1;
}
/* Similar to aha1542_in, except that we wait a very short period of time.
We use this if we know the board is alive and awake, but we are not sure
if the board will respond to the command we are about to send or not */
static int aha1542_in1(unsigned int base, u8 *cmdp, int len)
{
unsigned long flags;
spin_lock_irqsave(&aha1542_lock, flags);
while (len--) {
if (!wait_mask(STATUS(base), DF, DF, 0, 100))
goto fail;
*cmdp++ = inb(DATA(base));
}
spin_unlock_irqrestore(&aha1542_lock, flags);
return 0;
fail:
spin_unlock_irqrestore(&aha1542_lock, flags);
return 1;
}
static int makecode(unsigned hosterr, unsigned scsierr)
{
switch (hosterr) {
@ -730,7 +711,7 @@ static int aha1542_getconfig(int base_io, unsigned char *irq_level, unsigned cha
i = inb(DATA(base_io));
};
aha1542_out(base_io, inquiry_cmd, 1);
aha1542_in(base_io, inquiry_result, 3);
aha1542_in(base_io, inquiry_result, 3, 0);
if (!wait_mask(INTRFLAGS(base_io), INTRMASK, HACC, 0, 0))
goto fail;
while (0) {
@ -800,7 +781,7 @@ static int aha1542_mbenable(int base)
mbenable_cmd[0] = CMD_EXTBIOS;
aha1542_out(base, mbenable_cmd, 1);
if (aha1542_in1(base, mbenable_result, 2))
if (aha1542_in(base, mbenable_result, 2, 100))
return retval;
if (!wait_mask(INTRFLAGS(base), INTRMASK, HACC, 0, 100))
goto fail;
@ -837,7 +818,7 @@ static int aha1542_query(int base_io, int *transl)
i = inb(DATA(base_io));
};
aha1542_out(base_io, inquiry_cmd, 1);
aha1542_in(base_io, inquiry_result, 4);
aha1542_in(base_io, inquiry_result, 4, 0);
if (!wait_mask(INTRFLAGS(base_io), INTRMASK, HACC, 0, 0))
goto fail;
while (0) {