linux-kernel - [PATCH v2 1/2] mmc: sdhci: export APIs for sdhci irq wakeup

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Message-Id: <20250514094903.1771642-1-ziniu.wang_1@nxp.com>
Date: Wed, 14 May 2025 17:49:02 +0800
From: ziniu.wang_1@....com
To: adrian.hunter@...el.com,
	ulf.hansson@...aro.org,
	linux-mmc@...r.kernel.org
Cc: haibo.chen@....com,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	imx@...ts.linux.dev,
	s32@....com,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/2] mmc: sdhci: export APIs for sdhci irq wakeup

From: Luke Wang <ziniu.wang_1@....com>

Export the sdhci_enable_irq_wakeups() and sdhci_disable_irq_wakeups,
so other driver can use them.

Signed-off-by: Haibo Chen <haibo.chen@....com>
Signed-off-by: Luke Wang <ziniu.wang_1@....com>
---
 drivers/mmc/host/sdhci.c | 6 ++++--
 drivers/mmc/host/sdhci.h | 2 ++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index fd5681d1e31f..32fa0b2bb912 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -3755,7 +3755,7 @@ static bool sdhci_cd_irq_can_wakeup(struct sdhci_host *host)
  * sdhci_disable_irq_wakeups() since it will be set by
  * sdhci_enable_card_detection() or sdhci_init().
  */
-static bool sdhci_enable_irq_wakeups(struct sdhci_host *host)
+bool sdhci_enable_irq_wakeups(struct sdhci_host *host)
 {
 	u8 mask = SDHCI_WAKE_ON_INSERT | SDHCI_WAKE_ON_REMOVE |
 		  SDHCI_WAKE_ON_INT;
@@ -3787,8 +3787,9 @@ static bool sdhci_enable_irq_wakeups(struct sdhci_host *host)
 
 	return host->irq_wake_enabled;
 }
+EXPORT_SYMBOL_GPL(sdhci_enable_irq_wakeups);
 
-static void sdhci_disable_irq_wakeups(struct sdhci_host *host)
+void sdhci_disable_irq_wakeups(struct sdhci_host *host)
 {
 	u8 val;
 	u8 mask = SDHCI_WAKE_ON_INSERT | SDHCI_WAKE_ON_REMOVE
@@ -3802,6 +3803,7 @@ static void sdhci_disable_irq_wakeups(struct sdhci_host *host)
 
 	host->irq_wake_enabled = false;
 }
+EXPORT_SYMBOL_GPL(sdhci_disable_irq_wakeups);
 
 int sdhci_suspend_host(struct sdhci_host *host)
 {
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index cd0e35a80542..f9d65dd0f2b2 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -875,6 +875,8 @@ void sdhci_adma_write_desc(struct sdhci_host *host, void **desc,
 			   dma_addr_t addr, int len, unsigned int cmd);
 
 #ifdef CONFIG_PM
+bool sdhci_enable_irq_wakeups(struct sdhci_host *host);
+void sdhci_disable_irq_wakeups(struct sdhci_host *host);
 int sdhci_suspend_host(struct sdhci_host *host);
 int sdhci_resume_host(struct sdhci_host *host);
 int sdhci_runtime_suspend_host(struct sdhci_host *host);
-- 
2.34.1