mmc: sdhci: Add a helper function for dump register in dynamic debug mode

commit 2881ba9af073faa8ee7408a8d1e0575e50eb3f6c upstream.

Add a helper function for dump register in dynamic debug mode.

Signed-off-by: Victor Shih <victor.shih@genesyslogic.com.tw>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20250606110121.96314-3-victorshihgli@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 4db57c3a8cd4b20ce58825bdada0649676fbf228..a188bf241a117a50869a2cec0c01db015a93aeda 100644 (file)
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -813,4 +813,20 @@ void sdhci_switch_external_dma(struct sdhci_host *host, bool en);
 void sdhci_set_data_timeout_irq(struct sdhci_host *host, bool enable);
 void __sdhci_set_timeout(struct sdhci_host *host, struct mmc_command *cmd);
 
+#if defined(CONFIG_DYNAMIC_DEBUG) || \
+       (defined(CONFIG_DYNAMIC_DEBUG_CORE) && defined(DYNAMIC_DEBUG_MODULE))
+#define SDHCI_DBG_ANYWAY 0
+#elif defined(DEBUG)
+#define SDHCI_DBG_ANYWAY 1
+#else
+#define SDHCI_DBG_ANYWAY 0
+#endif
+
+#define sdhci_dbg_dumpregs(host, fmt)                                  \
+do {                                                                   \
+       DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);                 \
+       if (DYNAMIC_DEBUG_BRANCH(descriptor) || SDHCI_DBG_ANYWAY)       \
+               sdhci_dumpregs(host);                                   \
+} while (0)
+
 #endif /* __SDHCI_HW_H */