It's useful to know an error number when it's debugging.

Signed-off-by: Jaehoon Chung <jh80.ch...@samsung.com>
Reviewed-by: Peng Fan <peng....@nxp.com>
---
Changelog on V2
- Change from "put" to "printf" to fix build error
---
 drivers/mmc/mmc.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index a47700e313cb..39682f9df1be 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -2179,7 +2179,7 @@ static int mmc_select_mode_and_width(struct mmc *mmc, 
uint card_caps)
                                        err = mmc_execute_tuning(mmc,
                                                                 mwt->tuning);
                                        if (err) {
-                                               pr_debug("tuning failed\n");
+                                               pr_debug("tuning failed : 
%d\n", err);
                                                goto error;
                                        }
                                }
@@ -2200,7 +2200,7 @@ error:
                }
        }
 
-       pr_err("unable to select a mode\n");
+       pr_err("unable to select a mode : %d\n", err);
 
        return -ENOTSUPP;
 }
@@ -2746,7 +2746,7 @@ static int mmc_power_on(struct mmc *mmc)
                int ret = regulator_set_enable(mmc->vmmc_supply, true);
 
                if (ret) {
-                       puts("Error enabling VMMC supply\n");
+                       printf("Error enabling VMMC supply : %d\n", ret);
                        return ret;
                }
        }
@@ -2762,7 +2762,7 @@ static int mmc_power_off(struct mmc *mmc)
                int ret = regulator_set_enable(mmc->vmmc_supply, false);
 
                if (ret) {
-                       pr_debug("Error disabling VMMC supply\n");
+                       pr_debug("Error disabling VMMC supply : %d\n", ret);
                        return ret;
                }
        }
@@ -2866,7 +2866,7 @@ retry:
 
                if (err) {
 #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
-                       pr_err("Card did not respond to voltage select!\n");
+                       pr_err("Card did not respond to voltage select! : 
%d\n", err);
 #endif
                        return -EOPNOTSUPP;
                }
-- 
2.29.0

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