aboutsummaryrefslogtreecommitdiff
path: root/drivers/bus
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/bus')
-rw-r--r--drivers/bus/ti-sysc.c24
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index efb088df1276..88a751c11677 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -970,9 +970,15 @@ static int sysc_enable_module(struct device *dev)
return error;
}
}
- error = sysc_wait_softreset(ddata);
- if (error)
- dev_warn(ddata->dev, "OCP softreset timed out\n");
+ /*
+ * Some modules like i2c and hdq1w have unusable reset status unless
+ * the module reset quirk is enabled. Skip status check on enable.
+ */
+ if (!(ddata->cfg.quirks & SYSC_MODULE_QUIRK_ENA_RESETDONE)) {
+ error = sysc_wait_softreset(ddata);
+ if (error)
+ dev_warn(ddata->dev, "OCP softreset timed out\n");
+ }
if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET)
sysc_disable_opt_clocks(ddata);
@@ -1373,17 +1379,17 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = {
SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50030200, 0xffffffff,
SYSC_QUIRK_OPT_CLKS_NEEDED),
SYSC_QUIRK("hdq1w", 0, 0, 0x14, 0x18, 0x00000006, 0xffffffff,
- SYSC_MODULE_QUIRK_HDQ1W),
+ SYSC_MODULE_QUIRK_HDQ1W | SYSC_MODULE_QUIRK_ENA_RESETDONE),
SYSC_QUIRK("hdq1w", 0, 0, 0x14, 0x18, 0x0000000a, 0xffffffff,
- SYSC_MODULE_QUIRK_HDQ1W),
+ SYSC_MODULE_QUIRK_HDQ1W | SYSC_MODULE_QUIRK_ENA_RESETDONE),
SYSC_QUIRK("i2c", 0, 0, 0x20, 0x10, 0x00000036, 0x000000ff,
- SYSC_MODULE_QUIRK_I2C),
+ SYSC_MODULE_QUIRK_I2C | SYSC_MODULE_QUIRK_ENA_RESETDONE),
SYSC_QUIRK("i2c", 0, 0, 0x20, 0x10, 0x0000003c, 0x000000ff,
- SYSC_MODULE_QUIRK_I2C),
+ SYSC_MODULE_QUIRK_I2C | SYSC_MODULE_QUIRK_ENA_RESETDONE),
SYSC_QUIRK("i2c", 0, 0, 0x20, 0x10, 0x00000040, 0x000000ff,
- SYSC_MODULE_QUIRK_I2C),
+ SYSC_MODULE_QUIRK_I2C | SYSC_MODULE_QUIRK_ENA_RESETDONE),
SYSC_QUIRK("i2c", 0, 0, 0x10, 0x90, 0x5040000a, 0xfffff0f0,
- SYSC_MODULE_QUIRK_I2C),
+ SYSC_MODULE_QUIRK_I2C | SYSC_MODULE_QUIRK_ENA_RESETDONE),
SYSC_QUIRK("gpu", 0x50000000, 0x14, -ENODEV, -ENODEV, 0x00010201, 0xffffffff, 0),
SYSC_QUIRK("gpu", 0x50000000, 0xfe00, 0xfe10, -ENODEV, 0x40000000 , 0xffffffff,
SYSC_MODULE_QUIRK_SGX),