The patch will add a value of ocr supported by the controller,
to specify some of voltage values are supported.
Ocr_avail should place an initial value to avoid uncertain
value for the platform that unsupport regulator such as S4.
Signed-off-by: Rong Chen <rong.chen@xxxxxxxxxxx>
---
drivers/mmc/host/meson-gx-mmc.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index 8f36536cb1b6..c339e12d5516 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -4,6 +4,9 @@
*
* Copyright (c) 2016 BayLibre, SAS.
* Author: Kevin Hilman <khilman@xxxxxxxxxxxx>
+ *
+ * Copyright (c) 2021 Amlogic, inc.
+ * Author: Rong Chen <Rong.Chen@xxxxxxxxxxx>
*/
#include <linux/kernel.h>
#include <linux/module.h>
@@ -130,6 +133,7 @@
#define SD_EMMC_DESC_CHAIN_MODE BIT(1)
#define MUX_CLK_NUM_PARENTS 2
+#define SD_EMMC_OCR_AVAIL 0x200080
struct meson_mmc_data {
unsigned int tx_delay_mask;
@@ -1150,6 +1154,7 @@ static int meson_mmc_probe(struct platform_device *pdev)
host->dram_access_quirk = device_property_read_bool(&pdev->dev,
"amlogic,dram-access-quirk");
+ mmc->ocr_avail = SD_EMMC_OCR_AVAIL;
/* Get regulators and the supported OCR mask */
host->vqmmc_enabled = false;
ret = mmc_regulator_get_supply(mmc);
base-commit: 141edd9e99eb91393e8a4d97742bd98328bff724
--
2.25.1
