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authorKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>2023-09-06 13:33:02 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2023-09-13 21:05:01 -0400
commit2c99e3d7d2cba9dc478c050b506c9482aaa08f32 (patch)
treed512bec90dab5fe5ba9cab58bda789e6732ba171 /drivers/ufs
parentdc1d7b363301eb454e1ee5916cb946f5396fd0c7 (diff)
downloadlinux-2c99e3d7d2cba9dc478c050b506c9482aaa08f32.tar.gz
scsi: ufs: core: Do not look for unsupported vdd-hba-max-microamp
Bindings do not allow vdd-hba-max-microamp property and the driver does not use it (does not control load of vdd-hba supply). Skip looking for this property to avoid misleading dmesg messages: ufshcd-qcom 1d84000.ufs: ufshcd_populate_vreg: unable to find vdd-hba-max-microamp Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20230906113302.201888-1-krzysztof.kozlowski@linaro.org Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/ufs')
-rw-r--r--drivers/ufs/host/ufs-mediatek.c2
-rw-r--r--drivers/ufs/host/ufshcd-pltfrm.c15
-rw-r--r--drivers/ufs/host/ufshcd-pltfrm.h2
3 files changed, 12 insertions, 7 deletions
diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c
index 2383ecd88f1cba..941f58744d0888 100644
--- a/drivers/ufs/host/ufs-mediatek.c
+++ b/drivers/ufs/host/ufs-mediatek.c
@@ -806,7 +806,7 @@ static int ufs_mtk_vreg_fix_vcc(struct ufs_hba *hba)
return 0;
}
- err = ufshcd_populate_vreg(dev, vcc_name, &info->vcc);
+ err = ufshcd_populate_vreg(dev, vcc_name, &info->vcc, false);
if (err)
return err;
diff --git a/drivers/ufs/host/ufshcd-pltfrm.c b/drivers/ufs/host/ufshcd-pltfrm.c
index 797a4dfe45d908..61cf8b957da4df 100644
--- a/drivers/ufs/host/ufshcd-pltfrm.c
+++ b/drivers/ufs/host/ufshcd-pltfrm.c
@@ -121,7 +121,7 @@ static bool phandle_exists(const struct device_node *np,
#define MAX_PROP_SIZE 32
int ufshcd_populate_vreg(struct device *dev, const char *name,
- struct ufs_vreg **out_vreg)
+ struct ufs_vreg **out_vreg, bool skip_current)
{
char prop_name[MAX_PROP_SIZE];
struct ufs_vreg *vreg = NULL;
@@ -147,6 +147,11 @@ int ufshcd_populate_vreg(struct device *dev, const char *name,
if (!vreg->name)
return -ENOMEM;
+ if (skip_current) {
+ vreg->max_uA = 0;
+ goto out;
+ }
+
snprintf(prop_name, MAX_PROP_SIZE, "%s-max-microamp", name);
if (of_property_read_u32(np, prop_name, &vreg->max_uA)) {
dev_info(dev, "%s: unable to find %s\n", __func__, prop_name);
@@ -175,19 +180,19 @@ static int ufshcd_parse_regulator_info(struct ufs_hba *hba)
struct device *dev = hba->dev;
struct ufs_vreg_info *info = &hba->vreg_info;
- err = ufshcd_populate_vreg(dev, "vdd-hba", &info->vdd_hba);
+ err = ufshcd_populate_vreg(dev, "vdd-hba", &info->vdd_hba, true);
if (err)
goto out;
- err = ufshcd_populate_vreg(dev, "vcc", &info->vcc);
+ err = ufshcd_populate_vreg(dev, "vcc", &info->vcc, false);
if (err)
goto out;
- err = ufshcd_populate_vreg(dev, "vccq", &info->vccq);
+ err = ufshcd_populate_vreg(dev, "vccq", &info->vccq, false);
if (err)
goto out;
- err = ufshcd_populate_vreg(dev, "vccq2", &info->vccq2);
+ err = ufshcd_populate_vreg(dev, "vccq2", &info->vccq2, false);
out:
return err;
}
diff --git a/drivers/ufs/host/ufshcd-pltfrm.h b/drivers/ufs/host/ufshcd-pltfrm.h
index 2df108f4ac1319..a86a3ada4befd1 100644
--- a/drivers/ufs/host/ufshcd-pltfrm.h
+++ b/drivers/ufs/host/ufshcd-pltfrm.h
@@ -32,6 +32,6 @@ void ufshcd_init_pwr_dev_param(struct ufs_dev_params *dev_param);
int ufshcd_pltfrm_init(struct platform_device *pdev,
const struct ufs_hba_variant_ops *vops);
int ufshcd_populate_vreg(struct device *dev, const char *name,
- struct ufs_vreg **out_vreg);
+ struct ufs_vreg **out_vreg, bool skip_current);
#endif /* UFSHCD_PLTFRM_H_ */