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Groups > linux.kernel > #1624094
| From | Tony Lindgren <tony@atomide.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 2/2] mfd: omap-usb-tll: Configure ULPIAUTOIDLE |
| Date | 2017-04-15 19:10 +0200 |
| Message-ID | <twzmV-S2-9@gated-at.bofh.it> (permalink) |
| References | <twzmV-S2-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
The idle mode needs to be only disabled for UTMIAUTOIDLE while
ULPIAUTOIDLE can be enabled.
This matches the TLL_CHANNEL_CONF_i register configuration for ehci-tll
in the Motorola Linux kernel tree for Wrigley 3G LTE modem on droid 4
and the modem still stays responsive.
Cc: Felipe Balbi <felipe.balbi@linux.intel.com>
Cc: Keshava Munegowda <keshava_mgowda@ti.com>
Cc: Marcel Partap <mpartap@gmx.net>
Cc: Michael Scott <michael.scott@linaro.org>
Cc: Roger Quadros <rogerq@ti.com>
Cc: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
drivers/mfd/omap-usb-tll.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/mfd/omap-usb-tll.c b/drivers/mfd/omap-usb-tll.c
--- a/drivers/mfd/omap-usb-tll.c
+++ b/drivers/mfd/omap-usb-tll.c
@@ -373,12 +373,13 @@ int omap_tll_init(struct usbhs_omap_platform_data *pdata)
} else if (pdata->port_mode[i] ==
OMAP_EHCI_PORT_MODE_TLL) {
/*
- * Disable AutoIdle, BitStuffing
- * and use SDR Mode
+ * Disable UTMI AutoIdle, BitStuffing
+ * and use SDR Mode. Enable ULPI AutoIdle.
*/
reg &= ~(OMAP_TLL_CHANNEL_CONF_UTMIAUTOIDLE
| OMAP_TLL_CHANNEL_CONF_ULPIDDRMODE);
reg |= OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF;
+ reg |= OMAP_TLL_CHANNEL_CONF_ULPI_ULPIAUTOIDLE;
} else if (pdata->port_mode[i] ==
OMAP_EHCI_PORT_MODE_HSIC) {
/*
--
2.12.2
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[PATCHv2 0/2] mfd: omap-usb-tll: Fixes for USB TLL mode Tony Lindgren <tony@atomide.com> - 2017-04-15 19:10 +0200
[PATCH 2/2] mfd: omap-usb-tll: Configure ULPIAUTOIDLE Tony Lindgren <tony@atomide.com> - 2017-04-15 19:10 +0200
Re: [PATCH 2/2] mfd: omap-usb-tll: Configure ULPIAUTOIDLE Roger Quadros <rogerq@ti.com> - 2017-04-18 10:40 +0200
Re: [PATCH 2/2] mfd: omap-usb-tll: Configure ULPIAUTOIDLE Lee Jones <lee.jones@linaro.org> - 2017-04-24 13:50 +0200
[PATCH 1/2] mfd: omap-usb-tll: Fix inverted bit use for USB TLL mode Tony Lindgren <tony@atomide.com> - 2017-04-15 19:10 +0200
Re: [PATCH 1/2] mfd: omap-usb-tll: Fix inverted bit use for USB TLL mode Roger Quadros <rogerq@ti.com> - 2017-04-18 10:40 +0200
Re: [PATCH 1/2] mfd: omap-usb-tll: Fix inverted bit use for USB TLL mode Lee Jones <lee.jones@linaro.org> - 2017-04-24 13:50 +0200
Re: [PATCHv2 0/2] mfd: omap-usb-tll: Fixes for USB TLL mode Lee Jones <lee.jones@linaro.org> - 2017-04-24 13:50 +0200
Re: [PATCHv2 0/2] mfd: omap-usb-tll: Fixes for USB TLL mode Tony Lindgren <tony@atomide.com> - 2017-04-24 16:20 +0200
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