[PATCH] mmc: core: refactor debugfs code

From: Ye Bin
Date: Sat Nov 26 2022 - 05:04:29 EST


From: Ye Bin <yebin10@xxxxxxxxxx>

Now, CONFIG_DEBUG_FS is scattered in various functions, to make code
clean centralized processing CONFIG_DEBUG_FS in mmc debugfs module.

Signed-off-by: Ye Bin <yebin10@xxxxxxxxxx>
---
drivers/mmc/core/bus.c | 4 ----
drivers/mmc/core/core.h | 15 +++++++++++++++
drivers/mmc/core/host.c | 4 ----
3 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index d8762fa3d5cd..36679f4e9acc 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -359,9 +359,7 @@ int mmc_add_card(struct mmc_card *card)
uhs_bus_speed_mode, type, card->rca);
}

-#ifdef CONFIG_DEBUG_FS
mmc_add_card_debugfs(card);
-#endif
card->dev.of_node = mmc_of_find_child_device(card->host, 0);

device_enable_async_suspend(&card->dev);
@@ -383,9 +381,7 @@ void mmc_remove_card(struct mmc_card *card)
{
struct mmc_host *host = card->host;

-#ifdef CONFIG_DEBUG_FS
mmc_remove_card_debugfs(card);
-#endif

if (mmc_card_present(card)) {
if (mmc_host_is_spi(card->host)) {
diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h
index f5f3f623ea49..37091a6589ed 100644
--- a/drivers/mmc/core/core.h
+++ b/drivers/mmc/core/core.h
@@ -86,11 +86,26 @@ int mmc_attach_sdio(struct mmc_host *host);
extern bool use_spi_crc;

/* Debugfs information for hosts and cards */
+#ifdef CONFIG_DEBUG_FS
void mmc_add_host_debugfs(struct mmc_host *host);
void mmc_remove_host_debugfs(struct mmc_host *host);

void mmc_add_card_debugfs(struct mmc_card *card);
void mmc_remove_card_debugfs(struct mmc_card *card);
+#else
+static inline void mmc_add_host_debugfs(struct mmc_host *host)
+{
+}
+static inline void mmc_remove_host_debugfs(struct mmc_host *host)
+{
+}
+static inline void mmc_add_card_debugfs(struct mmc_card *card)
+{
+}
+static inline void mmc_remove_card_debugfs(struct mmc_card *card)
+{
+}
+#endif

int mmc_execute_tuning(struct mmc_card *card);
int mmc_hs200_to_hs400(struct mmc_card *card);
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 5457c8aeeea1..d17eda753b7e 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -629,9 +629,7 @@ int mmc_add_host(struct mmc_host *host)

led_trigger_register_simple(dev_name(&host->class_dev), &host->led);

-#ifdef CONFIG_DEBUG_FS
mmc_add_host_debugfs(host);
-#endif

mmc_start_host(host);
return 0;
@@ -651,9 +649,7 @@ void mmc_remove_host(struct mmc_host *host)
{
mmc_stop_host(host);

-#ifdef CONFIG_DEBUG_FS
mmc_remove_host_debugfs(host);
-#endif

device_del(&host->class_dev);

--
2.31.1