[U-Boot] [PATCH v2 2/4] mmc: dump card and host capabilities if debug is enabled

[Jean-Jacques Hiblot]

This is a useful information while debugging the initialization process or
performance issues.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot at ti.com>
Reviewed-by: Lukasz Majewski <lukma at denx.de>
---

no change since v1

 drivers/mmc/mmc.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index a5a521e..a30b6a2 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1502,6 +1502,10 @@ void mmc_dump_capabilities(const char *text, uint caps)
 			printf("%s, ", mmc_mode_name(mode));
 	printf("\b\b]\n");
 }
+#else
+void mmc_dump_capabilities(const char *text, uint caps)
+{
+}
 #endif
 
 struct mode_width_tuning {
@@ -1582,6 +1586,8 @@ static int sd_select_mode_and_width(struct mmc *mmc, uint card_caps)
 	bool uhs_en = (mmc->ocr & OCR_S18R) ? true : false;
 	uint caps;
 
+	mmc_dump_capabilities("sd card", card_caps);
+	mmc_dump_capabilities("host", mmc->host_caps | MMC_MODE_1BIT);
 
 	/* Restrict card's capabilities by what the host can do */
 	caps = card_caps & (mmc->host_caps | MMC_MODE_1BIT);
@@ -1764,6 +1770,9 @@ static int mmc_select_mode_and_width(struct mmc *mmc, uint card_caps)
 	const struct mode_width_tuning *mwt;
 	const struct ext_csd_bus_width *ecbw;
 
+	mmc_dump_capabilities("mmc", card_caps);
+	mmc_dump_capabilities("host", mmc->host_caps | MMC_MODE_1BIT);
+
 	/* Restrict card's capabilities by what the host can do */
 	card_caps &= (mmc->host_caps | MMC_MODE_1BIT);
 
-- 
1.9.1