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USB/Thunderbolt fixes for 6.8-rc5

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Here are 2 small fixes for 6.8-rc5:
   - thunderbolt to fix a reported issue on many platforms
   - dwc3 driver revert of a commit that caused problems in -rc1
 
 Both of these changes have been in linux-next for over a week with no
 reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt fixes from Greg KH:
 "Here are two small fixes for 6.8-rc5:

   - thunderbolt to fix a reported issue on many platforms

   - dwc3 driver revert of a commit that caused problems in -rc1

  Both of these changes have been in linux-next for over a week with no
  reported issues"

* tag 'usb-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  Revert "usb: dwc3: Support EBC feature of DWC_usb31"
  thunderbolt: Fix setting the CNS bit in ROUTER_CS_5
This commit is contained in:
Linus Torvalds 2024-02-17 08:44:55 -08:00
commit a3a7d16274
6 changed files with 2 additions and 12 deletions
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2
drivers/thunderbolt/tb_regs.h
View file

@ -203,7 +203,7 @@ struct tb_regs_switch_header {
#define ROUTER_CS_5_WOP BIT(1)
#define ROUTER_CS_5_WOU BIT(2)
#define ROUTER_CS_5_WOD BIT(3)
#define ROUTER_CS_5_C3S BIT(23)
#define ROUTER_CS_5_CNS BIT(23)
#define ROUTER_CS_5_PTO BIT(24)
#define ROUTER_CS_5_UTO BIT(25)
#define ROUTER_CS_5_HCO BIT(26)

2
drivers/thunderbolt/usb4.c
View file

@ -290,7 +290,7 @@ int usb4_switch_setup(struct tb_switch *sw)
}
/* TBT3 supported by the CM */
val |= ROUTER_CS_5_C3S;
val &= ~ROUTER_CS_5_CNS;
return tb_sw_write(sw, &val, TB_CFG_SWITCH, ROUTER_CS_5, 1);
}

1
drivers/usb/dwc3/core.h
View file

@ -376,7 +376,6 @@
/* Global HWPARAMS4 Register */
#define DWC3_GHWPARAMS4_HIBER_SCRATCHBUFS(n) (((n) & (0x0f << 13)) >> 13)
#define DWC3_MAX_HIBER_SCRATCHBUFS 15
#define DWC3_EXT_BUFF_CONTROL BIT(21)
/* Global HWPARAMS6 Register */
#define DWC3_GHWPARAMS6_BCSUPPORT BIT(14)

6
drivers/usb/dwc3/gadget.c
View file

@ -673,12 +673,6 @@ static int dwc3_gadget_set_ep_config(struct dwc3_ep *dep, unsigned int action)
params.param1 |= DWC3_DEPCFG_BINTERVAL_M1(bInterval_m1);
}
if (dep->endpoint.fifo_mode) {
if (!(dwc->hwparams.hwparams4 & DWC3_EXT_BUFF_CONTROL))
return -EINVAL;
params.param1 |= DWC3_DEPCFG_EBC_HWO_NOWB | DWC3_DEPCFG_USE_EBC;
}
return dwc3_send_gadget_ep_cmd(dep, DWC3_DEPCMD_SETEPCONFIG, &params);
}

2
drivers/usb/dwc3/gadget.h
View file

@ -26,8 +26,6 @@ struct dwc3;
#define DWC3_DEPCFG_XFER_NOT_READY_EN BIT(10)
#define DWC3_DEPCFG_FIFO_ERROR_EN BIT(11)
#define DWC3_DEPCFG_STREAM_EVENT_EN BIT(13)
#define DWC3_DEPCFG_EBC_HWO_NOWB BIT(14)
#define DWC3_DEPCFG_USE_EBC BIT(15)
#define DWC3_DEPCFG_BINTERVAL_M1(n) (((n) & 0xff) << 16)
#define DWC3_DEPCFG_STREAM_CAPABLE BIT(24)
#define DWC3_DEPCFG_EP_NUMBER(n) (((n) & 0x1f) << 25)

1
include/linux/usb/gadget.h
View file

@ -236,7 +236,6 @@ struct usb_ep {
unsigned max_streams:16;
unsigned mult:2;
unsigned maxburst:5;
unsigned fifo_mode:1;
u8 address;
const struct usb_endpoint_descriptor *desc;
const struct usb_ss_ep_comp_descriptor *comp_desc;