Windrow14 commented on code in PR #13164:
URL: https://github.com/apache/nuttx/pull/13164#discussion_r2076933373
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drivers/mmcsd/mmcsd_sdio.c:
##########
@@ -493,6 +493,25 @@ static int mmcsd_recv_r6(FAR struct mmcsd_state_s *priv,
uint32_t cmd)
static int mmcsd_get_scr(FAR struct mmcsd_state_s *priv, uint32_t scr[2])
{
int ret;
+#ifdef CONFIG_SDIO_DMA
+ bool drop = FALSE;
Review Comment:
Corrected.
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drivers/mmcsd/mmcsd_sdio.c:
##########
@@ -506,7 +525,22 @@ static int mmcsd_get_scr(FAR struct mmcsd_state_s *priv,
uint32_t scr[2])
/* Setup up to receive data with interrupt mode */
SDIO_BLOCKSETUP(priv->dev, 8, 1);
- SDIO_RECVSETUP(priv->dev, (FAR uint8_t *)scr, 8);
+#ifdef CONFIG_SDIO_DMA
+ if (!drop && (priv->caps & SDIO_CAPS_DMASUPPORTED) != 0)
+ {
+ ret = SDIO_DMARECVSETUP(priv->dev, (FAR uint8_t *)scr, 8);
+ if (ret != OK)
+ {
+ finfo("SDIO_DMARECVSETUP: error %d, drop to RECVSETUP\n", ret);
+ drop = TRUE;
Review Comment:
Corrected.
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