Date: Sun, 31 Mar 2019 19:27:45 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r345757 - head/sys/arm/broadcom/bcm2835 Message-ID: <201903311927.x2VJRj1u051050@repo.freebsd.org>
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Author: bz Date: Sun Mar 31 19:27:44 2019 New Revision: 345757 URL: https://svnweb.freebsd.org/changeset/base/345757 Log: 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 Modified: head/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c Modified: head/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c ============================================================================== --- head/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c Sun Mar 31 17:27:28 2019 (r345756) +++ head/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c Sun Mar 31 19:27:44 2019 (r345757) @@ -66,8 +66,17 @@ __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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