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

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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>
This commit is contained in:
Jaehoon Chung 2020-03-27 13:08:01 +09:00 committed by Matthias Brugger
parent fac8bfd4f5
commit fabb3a43ad
1 changed files with 3 additions and 4 deletions
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7
drivers/mmc/sdhci.c
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@ -741,13 +741,12 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host,
debug("%s, caps: 0x%x\n", __func__, caps); debug("%s, caps: 0x%x\n", __func__, caps);
#ifdef CONFIG_MMC_SDHCI_SDMA #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", printf("%s: Your controller doesn't support SDMA!!\n",
__func__); __func__);
return -EINVAL;
} }
host->flags |= USE_SDMA;
#endif #endif
#if CONFIG_IS_ENABLED(MMC_SDHCI_ADMA) #if CONFIG_IS_ENABLED(MMC_SDHCI_ADMA)
if (!(caps & SDHCI_CAN_DO_ADMA2)) { if (!(caps & SDHCI_CAN_DO_ADMA2)) {