2022-07-05 00:51:52

by 이승희

[permalink] [raw]
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 <[email protected]>
---
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