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60 lines
2.0 KiB
60 lines
2.0 KiB
6 years ago
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From 71f116335e08f82f73efec6da10893f545455b5f Mon Sep 17 00:00:00 2001
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From: P33M <p33m@github.com>
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Date: Tue, 9 Jan 2018 15:16:35 +0000
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Subject: [PATCH 147/454] dwc_otg: don't unconditionally force host mode in
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dwc_otg_cil_init()
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Add the ability to disable force_host_mode for those that want to use
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dwc_otg in both device and host modes.
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---
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drivers/usb/host/dwc_otg/dwc_otg_cil.c | 7 ++++++-
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drivers/usb/host/dwc_otg/dwc_otg_driver.c | 7 +++++++
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2 files changed, 13 insertions(+), 1 deletion(-)
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--- a/drivers/usb/host/dwc_otg/dwc_otg_cil.c
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+++ b/drivers/usb/host/dwc_otg/dwc_otg_cil.c
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@@ -61,6 +61,8 @@
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#include "dwc_otg_regs.h"
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#include "dwc_otg_cil.h"
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+extern bool cil_force_host;
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+
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static int dwc_otg_setup_params(dwc_otg_core_if_t * core_if);
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/**
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@@ -192,7 +194,10 @@ dwc_otg_core_if_t *dwc_otg_cil_init(cons
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core_if->hptxfsiz.d32 =
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DWC_READ_REG32(&core_if->core_global_regs->hptxfsiz);
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gusbcfg.d32 = DWC_READ_REG32(&core_if->core_global_regs->gusbcfg);
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- gusbcfg.b.force_host_mode = 1;
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+ if (cil_force_host)
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+ gusbcfg.b.force_host_mode = 1;
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+ else
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+ gusbcfg.b.force_host_mode = 0;
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DWC_WRITE_REG32(&core_if->core_global_regs->gusbcfg, gusbcfg.d32);
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dwc_mdelay(100);
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}
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--- a/drivers/usb/host/dwc_otg/dwc_otg_driver.c
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+++ b/drivers/usb/host/dwc_otg/dwc_otg_driver.c
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@@ -247,6 +247,9 @@ bool fiq_fsm_enable = true;
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//Bulk split-transaction NAK holdoff in microframes
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uint16_t nak_holdoff = 8;
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+//Force host mode during CIL re-init
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+bool cil_force_host = true;
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+
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unsigned short fiq_fsm_mask = 0x0F;
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unsigned short int_ep_interval_min = 0;
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@@ -1403,6 +1406,10 @@ MODULE_PARM_DESC(int_ep_interval_min, "C
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"0..1 = Use endpoint default\n"
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"2..n = Minimum interval n microframes. Use powers of 2.\n");
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+module_param(cil_force_host, bool, 0644);
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+MODULE_PARM_DESC(cil_force_host, "On a connector-ID status change, "
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+ "force Host Mode regardless of OTG state.");
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+
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/** @page "Module Parameters"
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*
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* The following parameters may be specified when starting the module.
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