[PATCH v2 3/6] scsi/aha152x: Replace seq_printf with seq_puts
From: Rasmus Villemoes
Date: Tue Dec 02 2014 - 18:13:51 EST
Using seq_printf to print a simple string is a lot more expensive than
it needs to be, since seq_puts exists. Replace seq_printf with
seq_puts when possible.
Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
---
drivers/scsi/aha152x.c | 248 ++++++++++++++++++++++++-------------------------
1 file changed, 124 insertions(+), 124 deletions(-)
diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c
index f14ad8a..e31c460 100644
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -2505,21 +2505,21 @@ static void get_command(struct seq_file *m, Scsi_Cmnd * ptr)
ptr->SCp.buffers_residual);
if (ptr->SCp.phase & not_issued)
- seq_printf(m, "not issued|");
+ seq_puts(m, "not issued|");
if (ptr->SCp.phase & selecting)
- seq_printf(m, "selecting|");
+ seq_puts(m, "selecting|");
if (ptr->SCp.phase & disconnected)
- seq_printf(m, "disconnected|");
+ seq_puts(m, "disconnected|");
if (ptr->SCp.phase & aborted)
- seq_printf(m, "aborted|");
+ seq_puts(m, "aborted|");
if (ptr->SCp.phase & identified)
- seq_printf(m, "identified|");
+ seq_puts(m, "identified|");
if (ptr->SCp.phase & completed)
- seq_printf(m, "completed|");
+ seq_puts(m, "completed|");
if (ptr->SCp.phase & spiordy)
- seq_printf(m, "spiordy|");
+ seq_puts(m, "spiordy|");
if (ptr->SCp.phase & syncneg)
- seq_printf(m, "syncneg|");
+ seq_puts(m, "syncneg|");
seq_printf(m, "; next=0x%p\n", SCNEXT(ptr));
}
@@ -2530,256 +2530,256 @@ static void get_ports(struct seq_file *m, struct Scsi_Host *shpnt)
seq_printf(m, "\n%s: %s(%s) ", CURRENT_SC ? "on bus" : "waiting", states[STATE].name, states[PREVSTATE].name);
s = GETPORT(SCSISEQ);
- seq_printf(m, "SCSISEQ( ");
+ seq_puts(m, "SCSISEQ( ");
if (s & TEMODEO)
- seq_printf(m, "TARGET MODE ");
+ seq_puts(m, "TARGET MODE ");
if (s & ENSELO)
- seq_printf(m, "SELO ");
+ seq_puts(m, "SELO ");
if (s & ENSELI)
- seq_printf(m, "SELI ");
+ seq_puts(m, "SELI ");
if (s & ENRESELI)
- seq_printf(m, "RESELI ");
+ seq_puts(m, "RESELI ");
if (s & ENAUTOATNO)
- seq_printf(m, "AUTOATNO ");
+ seq_puts(m, "AUTOATNO ");
if (s & ENAUTOATNI)
- seq_printf(m, "AUTOATNI ");
+ seq_puts(m, "AUTOATNI ");
if (s & ENAUTOATNP)
- seq_printf(m, "AUTOATNP ");
+ seq_puts(m, "AUTOATNP ");
if (s & SCSIRSTO)
- seq_printf(m, "SCSIRSTO ");
- seq_printf(m, ");");
+ seq_puts(m, "SCSIRSTO ");
+ seq_puts(m, ");");
- seq_printf(m, " SCSISIG(");
+ seq_puts(m, " SCSISIG(");
s = GETPORT(SCSISIG);
switch (s & P_MASK) {
case P_DATAO:
- seq_printf(m, "DATA OUT");
+ seq_puts(m, "DATA OUT");
break;
case P_DATAI:
- seq_printf(m, "DATA IN");
+ seq_puts(m, "DATA IN");
break;
case P_CMD:
- seq_printf(m, "COMMAND");
+ seq_puts(m, "COMMAND");
break;
case P_STATUS:
- seq_printf(m, "STATUS");
+ seq_puts(m, "STATUS");
break;
case P_MSGO:
- seq_printf(m, "MESSAGE OUT");
+ seq_puts(m, "MESSAGE OUT");
break;
case P_MSGI:
- seq_printf(m, "MESSAGE IN");
+ seq_puts(m, "MESSAGE IN");
break;
default:
- seq_printf(m, "*invalid*");
+ seq_puts(m, "*invalid*");
break;
}
- seq_printf(m, "); ");
+ seq_puts(m, "); ");
seq_printf(m, "INTSTAT (%s); ", TESTHI(DMASTAT, INTSTAT) ? "hi" : "lo");
- seq_printf(m, "SSTAT( ");
+ seq_puts(m, "SSTAT( ");
s = GETPORT(SSTAT0);
if (s & TARGET)
- seq_printf(m, "TARGET ");
+ seq_puts(m, "TARGET ");
if (s & SELDO)
- seq_printf(m, "SELDO ");
+ seq_puts(m, "SELDO ");
if (s & SELDI)
- seq_printf(m, "SELDI ");
+ seq_puts(m, "SELDI ");
if (s & SELINGO)
- seq_printf(m, "SELINGO ");
+ seq_puts(m, "SELINGO ");
if (s & SWRAP)
- seq_printf(m, "SWRAP ");
+ seq_puts(m, "SWRAP ");
if (s & SDONE)
- seq_printf(m, "SDONE ");
+ seq_puts(m, "SDONE ");
if (s & SPIORDY)
- seq_printf(m, "SPIORDY ");
+ seq_puts(m, "SPIORDY ");
if (s & DMADONE)
- seq_printf(m, "DMADONE ");
+ seq_puts(m, "DMADONE ");
s = GETPORT(SSTAT1);
if (s & SELTO)
- seq_printf(m, "SELTO ");
+ seq_puts(m, "SELTO ");
if (s & ATNTARG)
- seq_printf(m, "ATNTARG ");
+ seq_puts(m, "ATNTARG ");
if (s & SCSIRSTI)
- seq_printf(m, "SCSIRSTI ");
+ seq_puts(m, "SCSIRSTI ");
if (s & PHASEMIS)
- seq_printf(m, "PHASEMIS ");
+ seq_puts(m, "PHASEMIS ");
if (s & BUSFREE)
- seq_printf(m, "BUSFREE ");
+ seq_puts(m, "BUSFREE ");
if (s & SCSIPERR)
- seq_printf(m, "SCSIPERR ");
+ seq_puts(m, "SCSIPERR ");
if (s & PHASECHG)
- seq_printf(m, "PHASECHG ");
+ seq_puts(m, "PHASECHG ");
if (s & REQINIT)
- seq_printf(m, "REQINIT ");
- seq_printf(m, "); ");
+ seq_puts(m, "REQINIT ");
+ seq_puts(m, "); ");
- seq_printf(m, "SSTAT( ");
+ seq_puts(m, "SSTAT( ");
s = GETPORT(SSTAT0) & GETPORT(SIMODE0);
if (s & TARGET)
- seq_printf(m, "TARGET ");
+ seq_puts(m, "TARGET ");
if (s & SELDO)
- seq_printf(m, "SELDO ");
+ seq_puts(m, "SELDO ");
if (s & SELDI)
- seq_printf(m, "SELDI ");
+ seq_puts(m, "SELDI ");
if (s & SELINGO)
- seq_printf(m, "SELINGO ");
+ seq_puts(m, "SELINGO ");
if (s & SWRAP)
- seq_printf(m, "SWRAP ");
+ seq_puts(m, "SWRAP ");
if (s & SDONE)
- seq_printf(m, "SDONE ");
+ seq_puts(m, "SDONE ");
if (s & SPIORDY)
- seq_printf(m, "SPIORDY ");
+ seq_puts(m, "SPIORDY ");
if (s & DMADONE)
- seq_printf(m, "DMADONE ");
+ seq_puts(m, "DMADONE ");
s = GETPORT(SSTAT1) & GETPORT(SIMODE1);
if (s & SELTO)
- seq_printf(m, "SELTO ");
+ seq_puts(m, "SELTO ");
if (s & ATNTARG)
- seq_printf(m, "ATNTARG ");
+ seq_puts(m, "ATNTARG ");
if (s & SCSIRSTI)
- seq_printf(m, "SCSIRSTI ");
+ seq_puts(m, "SCSIRSTI ");
if (s & PHASEMIS)
- seq_printf(m, "PHASEMIS ");
+ seq_puts(m, "PHASEMIS ");
if (s & BUSFREE)
- seq_printf(m, "BUSFREE ");
+ seq_puts(m, "BUSFREE ");
if (s & SCSIPERR)
- seq_printf(m, "SCSIPERR ");
+ seq_puts(m, "SCSIPERR ");
if (s & PHASECHG)
- seq_printf(m, "PHASECHG ");
+ seq_puts(m, "PHASECHG ");
if (s & REQINIT)
- seq_printf(m, "REQINIT ");
- seq_printf(m, "); ");
+ seq_puts(m, "REQINIT ");
+ seq_puts(m, "); ");
- seq_printf(m, "SXFRCTL0( ");
+ seq_puts(m, "SXFRCTL0( ");
s = GETPORT(SXFRCTL0);
if (s & SCSIEN)
- seq_printf(m, "SCSIEN ");
+ seq_puts(m, "SCSIEN ");
if (s & DMAEN)
- seq_printf(m, "DMAEN ");
+ seq_puts(m, "DMAEN ");
if (s & CH1)
- seq_printf(m, "CH1 ");
+ seq_puts(m, "CH1 ");
if (s & CLRSTCNT)
- seq_printf(m, "CLRSTCNT ");
+ seq_puts(m, "CLRSTCNT ");
if (s & SPIOEN)
- seq_printf(m, "SPIOEN ");
+ seq_puts(m, "SPIOEN ");
if (s & CLRCH1)
- seq_printf(m, "CLRCH1 ");
- seq_printf(m, "); ");
+ seq_puts(m, "CLRCH1 ");
+ seq_puts(m, "); ");
- seq_printf(m, "SIGNAL( ");
+ seq_puts(m, "SIGNAL( ");
s = GETPORT(SCSISIG);
if (s & SIG_ATNI)
- seq_printf(m, "ATNI ");
+ seq_puts(m, "ATNI ");
if (s & SIG_SELI)
- seq_printf(m, "SELI ");
+ seq_puts(m, "SELI ");
if (s & SIG_BSYI)
- seq_printf(m, "BSYI ");
+ seq_puts(m, "BSYI ");
if (s & SIG_REQI)
- seq_printf(m, "REQI ");
+ seq_puts(m, "REQI ");
if (s & SIG_ACKI)
- seq_printf(m, "ACKI ");
- seq_printf(m, "); ");
+ seq_puts(m, "ACKI ");
+ seq_puts(m, "); ");
seq_printf(m, "SELID(%02x), ", GETPORT(SELID));
seq_printf(m, "STCNT(%d), ", GETSTCNT());
- seq_printf(m, "SSTAT2( ");
+ seq_puts(m, "SSTAT2( ");
s = GETPORT(SSTAT2);
if (s & SOFFSET)
- seq_printf(m, "SOFFSET ");
+ seq_puts(m, "SOFFSET ");
if (s & SEMPTY)
- seq_printf(m, "SEMPTY ");
+ seq_puts(m, "SEMPTY ");
if (s & SFULL)
- seq_printf(m, "SFULL ");
+ seq_puts(m, "SFULL ");
seq_printf(m, "); SFCNT (%d); ", s & (SFULL | SFCNT));
s = GETPORT(SSTAT3);
seq_printf(m, "SCSICNT (%d), OFFCNT(%d), ", (s & 0xf0) >> 4, s & 0x0f);
- seq_printf(m, "SSTAT4( ");
+ seq_puts(m, "SSTAT4( ");
s = GETPORT(SSTAT4);
if (s & SYNCERR)
- seq_printf(m, "SYNCERR ");
+ seq_puts(m, "SYNCERR ");
if (s & FWERR)
- seq_printf(m, "FWERR ");
+ seq_puts(m, "FWERR ");
if (s & FRERR)
- seq_printf(m, "FRERR ");
- seq_printf(m, "); ");
+ seq_puts(m, "FRERR ");
+ seq_puts(m, "); ");
- seq_printf(m, "DMACNTRL0( ");
+ seq_puts(m, "DMACNTRL0( ");
s = GETPORT(DMACNTRL0);
seq_printf(m, "%s ", s & _8BIT ? "8BIT" : "16BIT");
seq_printf(m, "%s ", s & DMA ? "DMA" : "PIO");
seq_printf(m, "%s ", s & WRITE_READ ? "WRITE" : "READ");
if (s & ENDMA)
- seq_printf(m, "ENDMA ");
+ seq_puts(m, "ENDMA ");
if (s & INTEN)
- seq_printf(m, "INTEN ");
+ seq_puts(m, "INTEN ");
if (s & RSTFIFO)
- seq_printf(m, "RSTFIFO ");
+ seq_puts(m, "RSTFIFO ");
if (s & SWINT)
- seq_printf(m, "SWINT ");
- seq_printf(m, "); ");
+ seq_puts(m, "SWINT ");
+ seq_puts(m, "); ");
- seq_printf(m, "DMASTAT( ");
+ seq_puts(m, "DMASTAT( ");
s = GETPORT(DMASTAT);
if (s & ATDONE)
- seq_printf(m, "ATDONE ");
+ seq_puts(m, "ATDONE ");
if (s & WORDRDY)
- seq_printf(m, "WORDRDY ");
+ seq_puts(m, "WORDRDY ");
if (s & DFIFOFULL)
- seq_printf(m, "DFIFOFULL ");
+ seq_puts(m, "DFIFOFULL ");
if (s & DFIFOEMP)
- seq_printf(m, "DFIFOEMP ");
- seq_printf(m, ")\n");
+ seq_puts(m, "DFIFOEMP ");
+ seq_puts(m, ")\n");
- seq_printf(m, "enabled interrupts( ");
+ seq_puts(m, "enabled interrupts( ");
s = GETPORT(SIMODE0);
if (s & ENSELDO)
- seq_printf(m, "ENSELDO ");
+ seq_puts(m, "ENSELDO ");
if (s & ENSELDI)
- seq_printf(m, "ENSELDI ");
+ seq_puts(m, "ENSELDI ");
if (s & ENSELINGO)
- seq_printf(m, "ENSELINGO ");
+ seq_puts(m, "ENSELINGO ");
if (s & ENSWRAP)
- seq_printf(m, "ENSWRAP ");
+ seq_puts(m, "ENSWRAP ");
if (s & ENSDONE)
- seq_printf(m, "ENSDONE ");
+ seq_puts(m, "ENSDONE ");
if (s & ENSPIORDY)
- seq_printf(m, "ENSPIORDY ");
+ seq_puts(m, "ENSPIORDY ");
if (s & ENDMADONE)
- seq_printf(m, "ENDMADONE ");
+ seq_puts(m, "ENDMADONE ");
s = GETPORT(SIMODE1);
if (s & ENSELTIMO)
- seq_printf(m, "ENSELTIMO ");
+ seq_puts(m, "ENSELTIMO ");
if (s & ENATNTARG)
- seq_printf(m, "ENATNTARG ");
+ seq_puts(m, "ENATNTARG ");
if (s & ENPHASEMIS)
- seq_printf(m, "ENPHASEMIS ");
+ seq_puts(m, "ENPHASEMIS ");
if (s & ENBUSFREE)
- seq_printf(m, "ENBUSFREE ");
+ seq_puts(m, "ENBUSFREE ");
if (s & ENSCSIPERR)
- seq_printf(m, "ENSCSIPERR ");
+ seq_puts(m, "ENSCSIPERR ");
if (s & ENPHASECHG)
- seq_printf(m, "ENPHASECHG ");
+ seq_puts(m, "ENPHASECHG ");
if (s & ENREQINIT)
- seq_printf(m, "ENREQINIT ");
- seq_printf(m, ")\n");
+ seq_puts(m, "ENREQINIT ");
+ seq_puts(m, ")\n");
}
static int aha152x_set_info(struct Scsi_Host *shpnt, char *buffer, int length)
@@ -2822,7 +2822,7 @@ static int aha152x_show_info(struct seq_file *m, struct Scsi_Host *shpnt)
Scsi_Cmnd *ptr;
unsigned long flags;
- seq_printf(m, AHA152X_REVID "\n");
+ seq_puts(m, AHA152X_REVID "\n");
seq_printf(m, "ioports 0x%04lx to 0x%04lx\n",
shpnt->io_port, shpnt->io_port + shpnt->n_io_port - 1);
@@ -2836,7 +2836,7 @@ static int aha152x_show_info(struct seq_file *m, struct Scsi_Host *shpnt)
seq_printf(m, "%d commands currently queued\n", HOSTDATA(shpnt)->commands);
if(SYNCHRONOUS) {
- seq_printf(m, "synchronously operating targets (tick=50 ns):\n");
+ seq_puts(m, "synchronously operating targets (tick=50 ns):\n");
for (i = 0; i < 8; i++)
if (HOSTDATA(shpnt)->syncrate[i] & 0x7f)
seq_printf(m, "target %d: period %dT/%dns; req/ack offset %d\n",
@@ -2845,28 +2845,28 @@ static int aha152x_show_info(struct seq_file *m, struct Scsi_Host *shpnt)
(((HOSTDATA(shpnt)->syncrate[i] & 0x70) >> 4) + 2) * 50,
HOSTDATA(shpnt)->syncrate[i] & 0x0f);
}
- seq_printf(m, "\nqueue status:\n");
+ seq_puts(m, "\nqueue status:\n");
DO_LOCK(flags);
if (ISSUE_SC) {
- seq_printf(m, "not yet issued commands:\n");
+ seq_puts(m, "not yet issued commands:\n");
for (ptr = ISSUE_SC; ptr; ptr = SCNEXT(ptr))
get_command(m, ptr);
} else
- seq_printf(m, "no not yet issued commands\n");
+ seq_puts(m, "no not yet issued commands\n");
DO_UNLOCK(flags);
if (CURRENT_SC) {
- seq_printf(m, "current command:\n");
+ seq_puts(m, "current command:\n");
get_command(m, CURRENT_SC);
} else
- seq_printf(m, "no current command\n");
+ seq_puts(m, "no current command\n");
if (DISCONNECTED_SC) {
- seq_printf(m, "disconnected commands:\n");
+ seq_puts(m, "disconnected commands:\n");
for (ptr = DISCONNECTED_SC; ptr; ptr = SCNEXT(ptr))
get_command(m, ptr);
} else
- seq_printf(m, "no disconnected commands\n");
+ seq_puts(m, "no disconnected commands\n");
get_ports(m, shpnt);
--
2.0.4
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