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charset="utf-8" Remove dep->regs from struct dwc3_ep and reuse dwc->regs instead. Thus eliminating redundant iomem addresses and making register access more consistent across the driver. Signed-off-by: Prashanth K Acked-by: Thinh Nguyen --- drivers/usb/dwc3/core.h | 10 ++++------ drivers/usb/dwc3/debugfs.c | 12 ++++-------- drivers/usb/dwc3/gadget.c | 12 ++++++------ drivers/usb/dwc3/gadget.h | 2 +- 4 files changed, 15 insertions(+), 21 deletions(-) diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index a5fc92c4ffa3..23188b910528 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -165,10 +165,10 @@ #define DWC3_DCFG1 0xc740 /* DWC_usb32 only */ =20 #define DWC3_DEP_BASE(n) (0xc800 + ((n) * 0x10)) -#define DWC3_DEPCMDPAR2 0x00 -#define DWC3_DEPCMDPAR1 0x04 -#define DWC3_DEPCMDPAR0 0x08 -#define DWC3_DEPCMD 0x0c +#define DWC3_DEPCMDPAR2(n) (DWC3_DEP_BASE(n) + 0x00) +#define DWC3_DEPCMDPAR1(n) (DWC3_DEP_BASE(n) + 0x04) +#define DWC3_DEPCMDPAR0(n) (DWC3_DEP_BASE(n) + 0x08) +#define DWC3_DEPCMD(n) (DWC3_DEP_BASE(n) + 0x0c) =20 #define DWC3_DEV_IMOD(n) (0xca00 + ((n) * 0x4)) =20 @@ -749,8 +749,6 @@ struct dwc3_ep { struct list_head pending_list; struct list_head started_list; =20 - void __iomem *regs; - struct dwc3_trb *trb_pool; dma_addr_t trb_pool_dma; struct dwc3 *dwc; diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c index d18bf5e32cc8..0b45ff16f575 100644 --- a/drivers/usb/dwc3/debugfs.c +++ b/drivers/usb/dwc3/debugfs.c @@ -36,23 +36,19 @@ #define dump_ep_register_set(n) \ { \ .name =3D "DEPCMDPAR2("__stringify(n)")", \ - .offset =3D DWC3_DEP_BASE(n) + \ - DWC3_DEPCMDPAR2, \ + .offset =3D DWC3_DEPCMDPAR2(n), \ }, \ { \ .name =3D "DEPCMDPAR1("__stringify(n)")", \ - .offset =3D DWC3_DEP_BASE(n) + \ - DWC3_DEPCMDPAR1, \ + .offset =3D DWC3_DEPCMDPAR1(n), \ }, \ { \ .name =3D "DEPCMDPAR0("__stringify(n)")", \ - .offset =3D DWC3_DEP_BASE(n) + \ - DWC3_DEPCMDPAR0, \ + .offset =3D DWC3_DEPCMDPAR0(n), \ }, \ { \ .name =3D "DEPCMD("__stringify(n)")", \ - .offset =3D DWC3_DEP_BASE(n) + \ - DWC3_DEPCMD, \ + .offset =3D DWC3_DEPCMD(n), \ } =20 =20 diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index bc3fe31638b9..f08560af1701 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -320,6 +320,7 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsign= ed int cmd, =20 int cmd_status =3D 0; int ret =3D -EINVAL; + u8 epnum =3D dep->number; =20 /* * When operating in USB 2.0 speeds (HS/FS), if GUSB2PHYCFG.ENBLSLPM or @@ -355,9 +356,9 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsign= ed int cmd, * improve performance. */ if (DWC3_DEPCMD_CMD(cmd) !=3D DWC3_DEPCMD_UPDATETRANSFER) { - dwc3_writel(dep->regs, DWC3_DEPCMDPAR0, params->param0); - dwc3_writel(dep->regs, DWC3_DEPCMDPAR1, params->param1); - dwc3_writel(dep->regs, DWC3_DEPCMDPAR2, params->param2); + dwc3_writel(dwc->regs, DWC3_DEPCMDPAR0(epnum), params->param0); + dwc3_writel(dwc->regs, DWC3_DEPCMDPAR1(epnum), params->param1); + dwc3_writel(dwc->regs, DWC3_DEPCMDPAR2(epnum), params->param2); } =20 /* @@ -381,7 +382,7 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsign= ed int cmd, else cmd |=3D DWC3_DEPCMD_CMDACT; =20 - dwc3_writel(dep->regs, DWC3_DEPCMD, cmd); + dwc3_writel(dwc->regs, DWC3_DEPCMD(epnum), cmd); =20 if (!(cmd & DWC3_DEPCMD_CMDACT) || (DWC3_DEPCMD_CMD(cmd) =3D=3D DWC3_DEPCMD_ENDTRANSFER && @@ -391,7 +392,7 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsign= ed int cmd, } =20 do { - reg =3D dwc3_readl(dep->regs, DWC3_DEPCMD); + reg =3D dwc3_readl(dwc->regs, DWC3_DEPCMD(epnum)); if (!(reg & DWC3_DEPCMD_CMDACT)) { cmd_status =3D DWC3_DEPCMD_STATUS(reg); =20 @@ -3381,7 +3382,6 @@ static int dwc3_gadget_init_endpoint(struct dwc3 *dwc= , u8 epnum) dep->dwc =3D dwc; dep->number =3D epnum; dep->direction =3D direction; - dep->regs =3D dwc->regs + DWC3_DEP_BASE(epnum); dwc->eps[epnum] =3D dep; dep->combo_num =3D 0; dep->start_cmd_status =3D 0; diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h index d73e735e4081..c3aa9638b7a5 100644 --- a/drivers/usb/dwc3/gadget.h +++ b/drivers/usb/dwc3/gadget.h @@ -132,7 +132,7 @@ static inline void dwc3_gadget_ep_get_transfer_index(st= ruct dwc3_ep *dep) { u32 res_id; =20 - res_id =3D dwc3_readl(dep->regs, DWC3_DEPCMD); + res_id =3D dwc3_readl(dep->dwc->regs, DWC3_DEPCMD(dep->number)); dep->resource_index =3D DWC3_DEPCMD_GET_RSC_IDX(res_id); } =20 --=20 2.34.1