Author: bz
Date: Fri Apr 19 15:54:32 2019
New Revision: 346397
URL: https://svnweb.freebsd.org/changeset/base/346397
Log:
MFC r345757:
Improve debugging options in bcm2835_sdhci.c
Similar to bcm2835_sdhost.c add a TUNABLE and SYSCTL to selectively
turn on debugging printfs if debugging is turned on at compile time.
Modified:
stable/11/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c
==============================================================================
--- stable/11/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c Fri Apr 19 15:53:30
2019 (r346396)
+++ stable/11/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c Fri Apr 19 15:54:32
2019 (r346397)
@@ -63,8 +63,17 @@ __FBSDID("$FreeBSD$");
#define NUM_DMA_SEGS 2
#ifdef DEBUG
-#define dprintf(fmt, args...) do { printf("%s(): ", __func__); \
- printf(fmt,##args); } while (0)
+static int bcm2835_sdhci_debug = 0;
+
+TUNABLE_INT("hw.bcm2835.sdhci.debug", &bcm2835_sdhci_debug);
+SYSCTL_INT(_hw_sdhci, OID_AUTO, bcm2835_sdhci_debug, CTLFLAG_RWTUN,
+ &bcm2835_sdhci_debug, 0, "bcm2835 SDHCI debug level");
+
+#define dprintf(fmt, args...) \
+ do { \
+ if (bcm2835_sdhci_debug) \
+ printf("%s: " fmt, __func__, ##args); \
+ } while (0)
#else
#define dprintf(fmt, args...)
#endif
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