The otg_ver parameter only controls the SRP pulsing method and defaults
to the 1.3 behavior. It is unused and can be removed.
Signed-off-by: John Youn <johny...@synopsys.com>
---
drivers/usb/dwc2/core.c | 5 -----
drivers/usb/dwc2/core.h | 9 ---------
drivers/usb/dwc2/hcd.c | 3 ---
drivers/usb/dwc2/params.c | 23 -----------------------
4 files changed, 40 deletions(-)
diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c
index 0446f3d6d54a..0d322b7d4b28 100644
--- a/drivers/usb/dwc2/core.c
+++ b/drivers/usb/dwc2/core.c
@@ -751,11 +751,6 @@ bool dwc2_force_mode_if_needed(struct dwc2_hsotg *hsotg,
bool host)
return dwc2_force_mode(hsotg, host);
}
-u16 dwc2_get_otg_version(struct dwc2_hsotg *hsotg)
-{
- return hsotg->params.otg_ver == 1 ? 0x0200 : 0x0103;
-}
-
bool dwc2_is_controller_alive(struct dwc2_hsotg *hsotg)
{
if (dwc2_readl(hsotg->regs + GSNPSID) == 0xffffffff)
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index 2fdd74d502c0..73514f263e40 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -298,9 +298,6 @@ enum dwc2_ep0_state {
* 1 - SRP Only capable
* 2 - No HNP/SRP capable (always available)
* Defaults to best available option (0, 1, then 2)
- * @otg_ver: OTG version supported
- * 0 - 1.3 (default)
- * 1 - 2.0
* @host_dma: Specifies whether to use slave or DMA mode for
accessing
* the data FIFOs. The driver will automatically detect
the
* value for this parameter if none is specified.
@@ -464,7 +461,6 @@ struct dwc2_core_params {
#define DWC2_CAP_PARAM_SRP_ONLY_CAPABLE 1
#define DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE 2
- int otg_ver;
int dma_desc_enable;
int dma_desc_fs_enable;
int speed;
@@ -1175,11 +1171,6 @@ void dwc2_dump_dev_registers(struct dwc2_hsotg *hsotg);
void dwc2_dump_host_registers(struct dwc2_hsotg *hsotg);
void dwc2_dump_global_registers(struct dwc2_hsotg *hsotg);
-/*
- * Return OTG version - either 1.3 or 2.0
- */
-u16 dwc2_get_otg_version(struct dwc2_hsotg *hsotg);
-
/* Gadget defines */
#if IS_ENABLED(CONFIG_USB_DWC2_PERIPHERAL) || \
IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE)
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 2c90b0867ee1..c08c07a46bc6 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -2260,10 +2260,7 @@ static int dwc2_core_init(struct dwc2_hsotg *hsotg, bool
initial_setup)
/* Program the GOTGCTL register */
otgctl = dwc2_readl(hsotg->regs + GOTGCTL);
otgctl &= ~GOTGCTL_OTGVER;
- if (hsotg->params.otg_ver > 0)
- otgctl |= GOTGCTL_OTGVER;
dwc2_writel(otgctl, hsotg->regs + GOTGCTL);
- dev_dbg(hsotg->dev, "OTG VER PARAM: %d\n", hsotg->params.otg_ver);
/* Clear the SRP success bit for FS-I2c */
hsotg->srp_success = 0;
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index bcd1e19b4076..074f4061206a 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -40,7 +40,6 @@
static const struct dwc2_core_params params_hi6220 = {
.otg_cap = 2, /* No HNP/SRP capable */
- .otg_ver = 0, /* 1.3 */
.dma_desc_enable = 0,
.dma_desc_fs_enable = 0,
.speed = 0, /* High Speed */
@@ -71,7 +70,6 @@ static const struct dwc2_core_params params_hi6220 = {
static const struct dwc2_core_params params_bcm2835 = {
.otg_cap = 0, /* HNP/SRP capable */
- .otg_ver = 0, /* 1.3 */
.dma_desc_enable = 0,
.dma_desc_fs_enable = 0,
.speed = 0, /* High Speed */
@@ -101,7 +99,6 @@ static const struct dwc2_core_params params_bcm2835 = {
static const struct dwc2_core_params params_rk3066 = {
.otg_cap = 2, /* non-HNP/non-SRP */
- .otg_ver = -1,
.dma_desc_enable = 0,
.dma_desc_fs_enable = 0,
.speed = -1,
@@ -132,7 +129,6 @@ static const struct dwc2_core_params params_rk3066 = {
static const struct dwc2_core_params params_ltq = {
.otg_cap = 2, /* non-HNP/non-SRP */
- .otg_ver = -1,
.dma_desc_enable = -1,
.dma_desc_fs_enable = -1,
.speed = -1,
@@ -163,7 +159,6 @@ static const struct dwc2_core_params params_ltq = {
static const struct dwc2_core_params params_amlogic = {
.otg_cap = DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE,
- .otg_ver = -1,
.dma_desc_enable = 0,
.dma_desc_fs_enable = 0,
.speed = DWC2_SPEED_PARAM_HIGH,
@@ -194,7 +189,6 @@ static const struct dwc2_core_params params_amlogic = {
static const struct dwc2_core_params params_default = {
.otg_cap = -1,
- .otg_ver = -1,
/*
* Disable descriptor dma mode by default as the HW can support
@@ -978,22 +972,6 @@ static void dwc2_set_param_ahbcfg(struct dwc2_hsotg
*hsotg, int val)
GAHBCFG_HBSTLEN_SHIFT;
}
-static void dwc2_set_param_otg_ver(struct dwc2_hsotg *hsotg, int val)
-{
- if (DWC2_OUT_OF_BOUNDS(val, 0, 1)) {
- if (val >= 0) {
- dev_err(hsotg->dev,
- "'%d' invalid for parameter otg_ver\n", val);
- dev_err(hsotg->dev,
- "otg_ver must be 0 (for OTG 1.3 support) or 1
(for OTG 2.0 support)\n");
- }
- val = 0;
- dev_dbg(hsotg->dev, "Setting otg_ver to %d\n", val);
- }
-
- hsotg->params.otg_ver = val;
-}
-
static void dwc2_set_param_uframe_sched(struct dwc2_hsotg *hsotg, int val)
{
if (DWC2_OUT_OF_BOUNDS(val, 0, 1)) {
@@ -1154,7 +1132,6 @@ static void dwc2_set_parameters(struct dwc2_hsotg *hsotg,
params->en_multiple_tx_fifo);
dwc2_set_param_reload_ctl(hsotg, params->reload_ctl);
dwc2_set_param_ahbcfg(hsotg, params->ahbcfg);
- dwc2_set_param_otg_ver(hsotg, params->otg_ver);
dwc2_set_param_uframe_sched(hsotg, params->uframe_sched);
dwc2_set_param_external_id_pin_ctl(hsotg, params->external_id_pin_ctl);
dwc2_set_param_hibernation(hsotg, params->hibernation);
--
2.11.0
--
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