We need the SCC pointer to reset the device, so populate it even when we
don't need it for tuning.
Fixes: 45bffc371fef ("mmc: renesas_sdhi: only reset SCC when its pointer is populated")
Signed-off-by: Takeshi Saito <takeshi.saito.xv@xxxxxxxxxxx>
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@xxxxxxxxxxx>
Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
drivers/mmc/host/renesas_sdhi_core.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
index b93ab11f112a..4372197dc2a9 100644
--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -1067,11 +1067,14 @@ int renesas_sdhi_probe(struct platform_device *pdev,
if (ver >= SDHI_VER_GEN3_SD)
host->get_timeout_cycles = renesas_sdhi_gen3_get_cycles;
+ /* Check for SCC so we can reset it if needed */
+ if (of_data && of_data->scc_offset && ver >= SDHI_VER_GEN2_SDR104)
+ priv->scc_ctl = host->ctl + of_data->scc_offset;
+
/* Enable tuning iff we have an SCC and a supported mode */
- if (of_data && of_data->scc_offset &&
- (host->mmc->caps & MMC_CAP_UHS_SDR104 ||
- host->mmc->caps2 & (MMC_CAP2_HS200_1_8V_SDR |
- MMC_CAP2_HS400_1_8V))) {
+ if (priv->scc_ctl && (host->mmc->caps & MMC_CAP_UHS_SDR104 ||
+ host->mmc->caps2 & (MMC_CAP2_HS200_1_8V_SDR |
+ MMC_CAP2_HS400_1_8V))) {
const struct renesas_sdhi_scc *taps = of_data->taps;
bool use_4tap = quirks && quirks->hs400_4taps;
bool hit = false;
@@ -1091,7 +1094,6 @@ int renesas_sdhi_probe(struct platform_device *pdev,
if (!hit)
dev_warn(&host->pdev->dev, "Unknown clock rate for tuning\n");
- priv->scc_ctl = host->ctl + of_data->scc_offset;
host->check_retune = renesas_sdhi_check_scc_error;
host->ops.execute_tuning = renesas_sdhi_execute_tuning;
host->ops.prepare_hs400_tuning = renesas_sdhi_prepare_hs400_tuning;
--
2.30.2
