[PATCH v4 07/15] mci: core: save the set clock as actual_clock

Steffen Trumtrar s.trumtrar at pengutronix.de
Mon Mar 18 03:18:21 PDT 2024


Linux mmc_host saves the actual_clock set on the HC. Do the same to use
it later.

Signed-off-by: Steffen Trumtrar <s.trumtrar at pengutronix.de>
Reviewed-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
 drivers/mci/mci-core.c | 2 ++
 include/mci.h          | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c
index 2b39985d5e..6c473d21bf 100644
--- a/drivers/mci/mci-core.c
+++ b/drivers/mci/mci-core.c
@@ -867,6 +867,8 @@ static void mci_set_ios(struct mci *mci)
 	};
 
 	host->set_ios(host, &ios);
+
+	host->actual_clock = host->clock;
 }
 
 /**
diff --git a/include/mci.h b/include/mci.h
index 91460b7ef6..fe0bd26888 100644
--- a/include/mci.h
+++ b/include/mci.h
@@ -460,6 +460,7 @@ struct mci_host {
 	unsigned f_min;		/**< host interface lower limit */
 	unsigned f_max;		/**< host interface upper limit */
 	unsigned clock;		/**< Current clock used to talk to the card */
+	unsigned actual_clock;
 	enum mci_bus_width bus_width;	/**< used data bus width to the card */
 	enum mci_timing timing;	/**< used timing specification to the card */
 	unsigned max_req_size;

-- 
2.43.2




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