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. MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Reviewed by: gonzo, andrew Differential Revision: https://reviews.freebsd.org/D19745
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=345757
@ -66,8 +66,17 @@ __FBSDID("$FreeBSD$");
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#define NUM_DMA_SEGS 2
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#ifdef DEBUG
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#define dprintf(fmt, args...) do { printf("%s(): ", __func__); \
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printf(fmt,##args); } while (0)
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static int bcm2835_sdhci_debug = 0;
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TUNABLE_INT("hw.bcm2835.sdhci.debug", &bcm2835_sdhci_debug);
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SYSCTL_INT(_hw_sdhci, OID_AUTO, bcm2835_sdhci_debug, CTLFLAG_RWTUN,
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&bcm2835_sdhci_debug, 0, "bcm2835 SDHCI debug level");
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#define dprintf(fmt, args...) \
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do { \
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if (bcm2835_sdhci_debug) \
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printf("%s: " fmt, __func__, ##args); \
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} while (0)
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#else
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#define dprintf(fmt, args...)
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#endif
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