diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0147-dwc_otg-don-t-unconditionally-force-host-mode-in-dwc.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0147-dwc_otg-don-t-unconditionally-force-host-mode-in-dwc.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0147-dwc_otg-don-t-unconditionally-force-host-mode-in-dwc.patch b/target/linux/brcm2708/patches-4.14/950-0147-dwc_otg-don-t-unconditionally-force-host-mode-in-dwc.patch new file mode 100644 index 0000000000..9bea4b3639 --- /dev/null +++ b/target/linux/brcm2708/patches-4.14/950-0147-dwc_otg-don-t-unconditionally-force-host-mode-in-dwc.patch @@ -0,0 +1,59 @@ +From 71f116335e08f82f73efec6da10893f545455b5f Mon Sep 17 00:00:00 2001 +From: P33M <p33m@github.com> +Date: Tue, 9 Jan 2018 15:16:35 +0000 +Subject: [PATCH 147/454] dwc_otg: don't unconditionally force host mode in + dwc_otg_cil_init() + +Add the ability to disable force_host_mode for those that want to use +dwc_otg in both device and host modes. +--- + drivers/usb/host/dwc_otg/dwc_otg_cil.c | 7 ++++++- + drivers/usb/host/dwc_otg/dwc_otg_driver.c | 7 +++++++ + 2 files changed, 13 insertions(+), 1 deletion(-) + +--- a/drivers/usb/host/dwc_otg/dwc_otg_cil.c ++++ b/drivers/usb/host/dwc_otg/dwc_otg_cil.c +@@ -61,6 +61,8 @@ + #include "dwc_otg_regs.h" + #include "dwc_otg_cil.h" + ++extern bool cil_force_host; ++ + static int dwc_otg_setup_params(dwc_otg_core_if_t * core_if); + + /** +@@ -192,7 +194,10 @@ dwc_otg_core_if_t *dwc_otg_cil_init(cons + core_if->hptxfsiz.d32 = + DWC_READ_REG32(&core_if->core_global_regs->hptxfsiz); + gusbcfg.d32 = DWC_READ_REG32(&core_if->core_global_regs->gusbcfg); +- gusbcfg.b.force_host_mode = 1; ++ if (cil_force_host) ++ gusbcfg.b.force_host_mode = 1; ++ else ++ gusbcfg.b.force_host_mode = 0; + DWC_WRITE_REG32(&core_if->core_global_regs->gusbcfg, gusbcfg.d32); + dwc_mdelay(100); + } +--- a/drivers/usb/host/dwc_otg/dwc_otg_driver.c ++++ b/drivers/usb/host/dwc_otg/dwc_otg_driver.c +@@ -247,6 +247,9 @@ bool fiq_fsm_enable = true; + //Bulk split-transaction NAK holdoff in microframes + uint16_t nak_holdoff = 8; + ++//Force host mode during CIL re-init ++bool cil_force_host = true; ++ + unsigned short fiq_fsm_mask = 0x0F; + + unsigned short int_ep_interval_min = 0; +@@ -1403,6 +1406,10 @@ MODULE_PARM_DESC(int_ep_interval_min, "C + "0..1 = Use endpoint default\n" + "2..n = Minimum interval n microframes. Use powers of 2.\n"); + ++module_param(cil_force_host, bool, 0644); ++MODULE_PARM_DESC(cil_force_host, "On a connector-ID status change, " ++ "force Host Mode regardless of OTG state."); ++ + /** @page "Module Parameters" + * + * The following parameters may be specified when starting the module. |