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The following commit(s) were added to refs/heads/master by this push:
new 1af82ba979 mmcsd: SDIO_CAPS_4BIT_ONLY set buswidth
MMCSD_SCR_BUSWIDTH_4BIT
1af82ba979 is described below
commit 1af82ba979c7fbd7c3f18190849fe2b1dc3ebe64
Author: zhangshoukui <[email protected]>
AuthorDate: Thu Oct 24 11:33:28 2024 +0800
mmcsd: SDIO_CAPS_4BIT_ONLY set buswidth MMCSD_SCR_BUSWIDTH_4BIT
uint8_t buswidth:4; /* Bus widths supported (SD only) */
Signed-off-by: zhangshoukui <[email protected]>
---
drivers/mmcsd/mmcsd_sdio.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/mmcsd/mmcsd_sdio.c b/drivers/mmcsd/mmcsd_sdio.c
index 2683ebdaa0..29350380c9 100644
--- a/drivers/mmcsd/mmcsd_sdio.c
+++ b/drivers/mmcsd/mmcsd_sdio.c
@@ -3933,7 +3933,10 @@ static int mmcsd_cardidentify(FAR struct mmcsd_state_s
*priv)
finfo("MMC card detected\n");
priv->type = MMCSD_CARDTYPE_MMC;
- priv->buswidth |= MMCSD_SCR_BUSWIDTH_4BIT;
+ if ((priv->caps & SDIO_CAPS_4BIT_ONLY) != 0)
+ {
+ priv->buswidth |= MMCSD_SCR_BUSWIDTH_4BIT;
+ }
/* Now, check if this is a MMC card/chip that supports block
* addressing
