From: Jaehoon Chung <jh80.chung@samsung.com>
Date: Fri, 27 Mar 2020 04:08:01 +0000 (+0900)
Subject: mmc: sdhci: not return error when SDMA is not supported
X-Git-Tag: v2020.07-rc3~20^2~6
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=fabb3a43ada899e6ed248c3dee62348114831227;p=oweals%2Fu-boot.git

mmc: sdhci: not return error when SDMA is not supported

If Host controller doesn't support SDMA, it doesn't need to return
error. Because it can be worked with PIO mode.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
---

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 480fad37ed..6e8f6e3d17 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -741,13 +741,12 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host,
 	debug("%s, caps: 0x%x\n", __func__, caps);
 
 #ifdef CONFIG_MMC_SDHCI_SDMA
-	if (!(caps & SDHCI_CAN_DO_SDMA)) {
+	if ((caps & SDHCI_CAN_DO_SDMA)) {
+		host->flags |= USE_SDMA;
+	} else {
 		printf("%s: Your controller doesn't support SDMA!!\n",
 		       __func__);
-		return -EINVAL;
 	}
-
-	host->flags |= USE_SDMA;
 #endif
 #if CONFIG_IS_ENABLED(MMC_SDHCI_ADMA)
 	if (!(caps & SDHCI_CAN_DO_ADMA2)) {