linux-kernel - [PATCH] mmc: print clock frequency with recognization

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Date:   Tue,  5 Jul 2022 09:50:35 +0900
From:   Seunghui Lee <sh043.lee@...sung.com>
To:     ulf.hansson@...aro.org, u.kleine-koenig@...gutronix.de,
        gregkh@...uxfoundation.org, linux@...inikbrodowski.net,
        alexandre.belloni@...tlin.com, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     grant.jung@...sung.com, jt77.jang@...sung.com,
        dh0421.hwang@...sung.com, junwoo80.lee@...sung.com,
        jangsub.yi@...sung.com, cw9316.lee@...sung.com,
        sh8267.baek@...sung.com, wkon.kim@...sung.com,
        seunghwan.hyun@...sung.com, Seunghui Lee <sh043.lee@...sung.com>
Subject: [PATCH] mmc: print clock frequency with recognization

It's easy to figure out how fast frequency it has from the log.
e.g. mmc0: new ultra high speed SDR104 SDXC card
at address aaaa(clk 202000000)

Signed-off-by: Seunghui Lee <sh043.lee@...sung.com>
---
 drivers/mmc/core/bus.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 58a60afa650b..3623cc27a61c 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -348,7 +348,7 @@ int mmc_add_card(struct mmc_card *card)
 			mmc_card_ddr52(card) ? "DDR " : "",
 			type);
 	} else {
-		pr_info("%s: new %s%s%s%s%s%s card at address %04x\n",
+		pr_info("%s: new %s%s%s%s%s%s card at address %04x(clk %u)\n",
 			mmc_hostname(card->host),
 			mmc_card_uhs(card) ? "ultra high speed " :
 			(mmc_card_hs(card) ? "high speed " : ""),
@@ -356,7 +356,8 @@ int mmc_add_card(struct mmc_card *card)
 			(mmc_card_hs200(card) ? "HS200 " : ""),
 			mmc_card_hs400es(card) ? "Enhanced strobe " : "",
 			mmc_card_ddr52(card) ? "DDR " : "",
-			uhs_bus_speed_mode, type, card->rca);
+			uhs_bus_speed_mode, type, card->rca,
+			card->host->ios.clock);
 	}
 
 #ifdef CONFIG_DEBUG_FS
-- 
2.29.0