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Subject[PATCH 03/22] m68k/mac: via - Modernize printing of kernel messages
Date
  - Introduce helpers for printing debug messages, incl. dummies for
validating format strings when debugging is disabled,
- Convert from printk() to pr_*(),
- Add missing continuations, to fix user-visible breakage,
- Drop superfluous casts.

Fixes: 4bcc595ccd80decb ("printk: reinstate KERN_CONT for printing continuation lines")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
arch/m68k/mac/via.c | 54 ++++++++++++++++++++++++++---------------------------
1 file changed, 27 insertions(+), 27 deletions(-)

diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index 920ff63d4a81d77a..7c53b10d93817d9c 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -36,6 +36,12 @@
#include <asm/mac_psc.h>
#include <asm/mac_oss.h>

+#ifdef DEBUG_IRQUSE
+#define pr_irq(fmt, ...) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
+#else
+#define pr_irq(fmt, ...) no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
+#endif
+
volatile __u8 *via1, *via2;
int rbv_present;
int via_alt_mapping;
@@ -168,15 +174,15 @@ void __init via_init(void)
panic("UNKNOWN VIA TYPE");
}

- printk(KERN_INFO "VIA1 at %p is a 6522 or clone\n", via1);
+ pr_info("VIA1 at %p is a 6522 or clone\n", via1);

- printk(KERN_INFO "VIA2 at %p is ", via2);
+ pr_info("VIA2 at %p is ", via2);
if (rbv_present) {
- printk("an RBV\n");
+ pr_cont("an RBV\n");
} else if (oss_present) {
- printk("an OSS\n");
+ pr_cont("an OSS\n");
} else {
- printk("a 6522 or clone\n");
+ pr_cont("a 6522 or clone\n");
}

#ifdef DEBUG_VIA
@@ -299,24 +305,22 @@ void __init via_init_clock(irq_handler_t func)

void via_debug_dump(void)
{
- printk(KERN_DEBUG "VIA1: DDRA = 0x%02X DDRB = 0x%02X ACR = 0x%02X\n",
- (uint) via1[vDirA], (uint) via1[vDirB], (uint) via1[vACR]);
- printk(KERN_DEBUG " PCR = 0x%02X IFR = 0x%02X IER = 0x%02X\n",
- (uint) via1[vPCR], (uint) via1[vIFR], (uint) via1[vIER]);
+ pr_debug("VIA1: DDRA = 0x%02X DDRB = 0x%02X ACR = 0x%02X\n",
+ via1[vDirA], via1[vDirB], via1[vACR]);
+ pr_debug(" PCR = 0x%02X IFR = 0x%02X IER = 0x%02X\n",
+ via1[vPCR], via1[vIFR], via1[vIER]);
if (oss_present) {
- printk(KERN_DEBUG "VIA2: <OSS>\n");
+ pr_debug("VIA2: <OSS>\n");
} else if (rbv_present) {
- printk(KERN_DEBUG "VIA2: IFR = 0x%02X IER = 0x%02X\n",
- (uint) via2[rIFR], (uint) via2[rIER]);
- printk(KERN_DEBUG " SIFR = 0x%02X SIER = 0x%02X\n",
- (uint) via2[rSIFR], (uint) via2[rSIER]);
+ pr_debug("VIA2: IFR = 0x%02X IER = 0x%02X\n", via2[rIFR],
+ via2[rIER]);
+ pr_debug(" SIFR = 0x%02X SIER = 0x%02X\n", via2[rSIFR],
+ via2[rSIER]);
} else {
- printk(KERN_DEBUG "VIA2: DDRA = 0x%02X DDRB = 0x%02X ACR = 0x%02X\n",
- (uint) via2[vDirA], (uint) via2[vDirB],
- (uint) via2[vACR]);
- printk(KERN_DEBUG " PCR = 0x%02X IFR = 0x%02X IER = 0x%02X\n",
- (uint) via2[vPCR],
- (uint) via2[vIFR], (uint) via2[vIER]);
+ pr_debug("VIA2: DDRA = 0x%02X DDRB = 0x%02X ACR = 0x%02X\n",
+ via2[vDirA], via2[vDirB], via2[vACR]);
+ pr_debug(" PCR = 0x%02X IFR = 0x%02X IER = 0x%02X\n",
+ via2[vPCR], via2[vIFR], via2[vIER]);
}
}

@@ -362,7 +366,7 @@ int via_get_cache_disable(void)
{
/* Safeguard against being called accidentally */
if (!via2) {
- printk(KERN_ERR "via_get_cache_disable called on a non-VIA machine!\n");
+ pr_err("via_get_cache_disable called on a non-VIA machine!\n");
return 1;
}

@@ -550,9 +554,7 @@ void via_irq_enable(int irq) {
int irq_src = IRQ_SRC(irq);
int irq_idx = IRQ_IDX(irq);

-#ifdef DEBUG_IRQUSE
- printk(KERN_DEBUG "via_irq_enable(%d)\n", irq);
-#endif
+ pr_irq("via_irq_enable(%d)\n", irq);

if (irq_src == 1) {
via1[vIER] = IER_SET_BIT(irq_idx);
@@ -582,9 +584,7 @@ void via_irq_disable(int irq) {
int irq_src = IRQ_SRC(irq);
int irq_idx = IRQ_IDX(irq);

-#ifdef DEBUG_IRQUSE
- printk(KERN_DEBUG "via_irq_disable(%d)\n", irq);
-#endif
+ pr_irq("via_irq_disable(%d)\n", irq);

if (irq_src == 1) {
via1[vIER] = IER_CLR_BIT(irq_idx);
--
1.9.1
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