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[src/trunk]: src/sys/dev/i2c Fixed DPRINTF macro to make it compile when DEBU...
details: https://anonhg.NetBSD.org/src/rev/82294c6fe00a
branches: trunk
changeset: 760750:82294c6fe00a
user: phx <phx%NetBSD.org@localhost>
date: Wed Jan 12 18:06:26 2011 +0000
description:
Fixed DPRINTF macro to make it compile when DEBUG is not defined.
diffstat:
sys/dev/i2c/motoi2c.c | 70 ++++++++++++++++++++++++--------------------------
1 files changed, 33 insertions(+), 37 deletions(-)
diffs (189 lines):
diff -r f58618895765 -r 82294c6fe00a sys/dev/i2c/motoi2c.c
--- a/sys/dev/i2c/motoi2c.c Wed Jan 12 18:05:18 2011 +0000
+++ b/sys/dev/i2c/motoi2c.c Wed Jan 12 18:06:26 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: motoi2c.c,v 1.2 2011/01/04 02:50:08 nisimura Exp $ */
+/* $NetBSD: motoi2c.c,v 1.3 2011/01/12 18:06:26 phx Exp $ */
/*-
* Copyright (c) 2007, 2010 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: motoi2c.c,v 1.2 2011/01/04 02:50:08 nisimura Exp $");
+__KERNEL_RCSID(0, "$NetBSD: motoi2c.c,v 1.3 2011/01/12 18:06:26 phx Exp $");
#include <sys/param.h>
#include <sys/device.h>
@@ -44,10 +44,10 @@
#include <dev/i2c/motoi2cvar.h>
#ifdef DEBUG
-static int motoi2c_debug = 0;
-#define DPRINTF if (motoi2c_debug) printf
+int motoi2c_debug = 0;
+#define DPRINTF(x) if (motoi2c_debug) printf x
#else
-#define DPRINTF (void)
+#define DPRINTF(x)
#endif
static int motoi2c_acquire_bus(void *, int);
@@ -149,19 +149,17 @@
DELAY(10);
if (timo == 0) {
- DPRINTF("%s: timeout (sr=%#x, cr=%#x)\n",
- __func__, sr, I2C_READ(I2CCR));
+ DPRINTF(("%s: timeout (sr=%#x, cr=%#x)\n",
+ __func__, sr, I2C_READ(I2CCR)));
error = ETIMEDOUT;
}
/*
* RXAK is only valid when transmitting.
*/
if ((cr & CR_MTX) && (sr & SR_RXAK)) {
+ DPRINTF(("%s: missing rx ack (%#x): spin=%u\n",
+ __func__, sr, 1000 - timo));
error = EIO;
-#ifdef DEBUG
- DPRINTF("%s: missing rx ack (%#x): spin=%u\n",
- __func__, sr, 1000 - timo);
-#endif
}
I2C_WRITE(I2CSR, 0);
return error;
@@ -192,9 +190,9 @@
cr = I2C_READ(I2CCR);
#if 0
- DPRINTF("%s(%#x,%#x,%p,%zu,%p,%zu,%#x): sr=%#x cr=%#x\n",
+ DPRINTF(("%s(%#x,%#x,%p,%zu,%p,%zu,%#x): sr=%#x cr=%#x\n",
__func__, op, addr, cmdbuf, cmdlen, databuf, datalen, flags,
- sr, cr);
+ sr, cr));
#endif
if ((cr & CR_MSTA) == 0 && (sr & SR_MBB) != 0) {
@@ -205,9 +203,7 @@
} while (--timo > 0 && ((sr = I2C_READ(I2CSR)) & SR_MBB) != 0);
if (timo == 0) {
-#ifdef DEBUG
- DPRINTF("%s: bus is busy (%#x)\n", __func__, sr);
-#endif
+ DPRINTF(("%s: bus is busy (%#x)\n", __func__, sr));
return ETIMEDOUT;
}
}
@@ -224,13 +220,13 @@
cr = CR_MEN | CR_MTX | CR_MSTA;
I2C_WRITE(I2CCR, cr | rsta);
- DPRINTF("%s: started: sr=%#x cr=%#x/%#x\n",
- __func__, I2C_READ(I2CSR), cr, I2C_READ(I2CCR));
+ DPRINTF(("%s: started: sr=%#x cr=%#x/%#x\n",
+ __func__, I2C_READ(I2CSR), cr, I2C_READ(I2CCR)));
sr = I2C_READ(I2CSR);
if (sr & SR_MAL) {
- DPRINTF("%s: lost bus: sr=%#x cr=%#x/%#x\n",
- __func__, I2C_READ(I2CSR), cr, I2C_READ(I2CCR));
+ DPRINTF(("%s: lost bus: sr=%#x cr=%#x/%#x\n",
+ __func__, I2C_READ(I2CSR), cr, I2C_READ(I2CCR)));
I2C_WRITE(I2CCR, 0);
DELAY(10);
I2C_WRITE(I2CCR, CR_MEN | CR_MTX | CR_MSTA);
@@ -240,8 +236,8 @@
error = EBUSY;
goto out;
}
- DPRINTF("%s: reacquired bus: sr=%#x cr=%#x/%#x\n",
- __func__, I2C_READ(I2CSR), cr, I2C_READ(I2CCR));
+ DPRINTF(("%s: reacquired bus: sr=%#x cr=%#x/%#x\n",
+ __func__, I2C_READ(I2CSR), cr, I2C_READ(I2CCR)));
}
/* send target address and transfer direction */
@@ -251,7 +247,7 @@
error = motoi2c_busy_wait(sc, cr);
if (error) {
- DPRINTF("%s: error sending address: %d\n", __func__, error);
+ DPRINTF(("%s: error sending address: %d\n", __func__, error));
if (error == EIO)
error = ENXIO;
goto out;
@@ -263,8 +259,8 @@
error = motoi2c_busy_wait(sc, cr);
if (error) {
- DPRINTF("%s: error sending cmd byte %zu (cr=%#x/%#x): %d\n",
- __func__, i, I2C_READ(I2CCR), cr, error);
+ DPRINTF(("%s: error sending cmd byte %zu (cr=%#x/%#x):"
+ " %d\n", __func__, i, I2C_READ(I2CCR), cr, error));
goto out;
}
}
@@ -274,8 +270,8 @@
KASSERT((cr & CR_TXAK) == 0);
I2C_WRITE(I2CCR, cr | CR_RSTA);
#if 0
- DPRINTF("%s: restarted(read): sr=%#x cr=%#x(%#x)\n",
- __func__, I2C_READ(I2CSR), cr | CR_RSTA, I2C_READ(I2CCR));
+ DPRINTF(("%s: restarted(read): sr=%#x cr=%#x(%#x)\n",
+ __func__, I2C_READ(I2CSR), cr | CR_RSTA, I2C_READ(I2CCR)));
#endif
/* send target address and read transfer direction */
@@ -309,8 +305,8 @@
*/
error = motoi2c_busy_wait(sc, cr);
if (error) {
- DPRINTF("%s: error reading byte %zu: %d\n",
- __func__, i, error);
+ DPRINTF(("%s: error reading byte %zu: %d\n",
+ __func__, i, error));
goto out;
}
if (I2C_OP_STOP_P(op)) {
@@ -329,8 +325,8 @@
(void)I2C_READ(I2CDR); /* dummy read */
error = motoi2c_busy_wait(sc, cr);
if (error) {
- DPRINTF("%s: error reading dummy last byte: %d\n",
- __func__, error);
+ DPRINTF(("%s: error reading dummy last byte:"
+ "%d\n", __func__, error));
goto out;
}
}
@@ -340,8 +336,8 @@
I2C_WRITE(I2CDR, *dataptr++);
error = motoi2c_busy_wait(sc, cr);
if (error) {
- DPRINTF("%s: error sending data byte %zu: %d\n",
- __func__, i, error);
+ DPRINTF(("%s: error sending data byte %zu:"
+ " %d\n", __func__, i, error));
goto out;
}
}
@@ -355,12 +351,12 @@
if (error || (cr & CR_TXAK) || ((cr & CR_MSTA) && I2C_OP_STOP_P(op))) {
cr = CR_MEN;
I2C_WRITE(I2CCR, cr);
- DPRINTF("%s: stopping: cr=%#x/%#x\n", __func__,
- cr, I2C_READ(I2CCR));
+ DPRINTF(("%s: stopping: cr=%#x/%#x\n", __func__,
+ cr, I2C_READ(I2CCR)));
}
- DPRINTF("%s: exit sr=%#x cr=%#x: %d\n", __func__,
- I2C_READ(I2CSR), I2C_READ(I2CCR), error);
+ DPRINTF(("%s: exit sr=%#x cr=%#x: %d\n", __func__,
+ I2C_READ(I2CSR), I2C_READ(I2CCR), error));
return error;
}
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