Commit 95832c00 authored by John Youn's avatar John Youn Committed by Felipe Balbi
Browse files

usb: dwc2: Fix usage of bool params 



Check these parameters only for true or false. There is no need to check
for greater or less than 0.

Signed-off-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 7de1debc

drivers/usb/dwc2/core.c

+2 −2
Original line number Diff line number Diff line
@@ -541,7 +541,7 @@ void dwc2_dump_host_registers(struct dwc2_hsotg *hsotg) 
	addr = hsotg->regs + HAINTMSK;

	dev_dbg(hsotg->dev, "HAINTMSK	 @0x%08lX : 0x%08X\n",

		(unsigned long)addr, dwc2_readl(addr));

	if (hsotg->params.dma_desc_enable > 0) {

	if (hsotg->params.dma_desc_enable) {

		addr = hsotg->regs + HFLBADDR;

		dev_dbg(hsotg->dev, "HFLBADDR @0x%08lX : 0x%08X\n",

			(unsigned long)addr, dwc2_readl(addr));
@@ -571,7 +571,7 @@ void dwc2_dump_host_registers(struct dwc2_hsotg *hsotg) 
		addr = hsotg->regs + HCDMA(i);

		dev_dbg(hsotg->dev, "HCDMA	 @0x%08lX : 0x%08X\n",

			(unsigned long)addr, dwc2_readl(addr));

		if (hsotg->params.dma_desc_enable > 0) {

		if (hsotg->params.dma_desc_enable) {

			addr = hsotg->regs + HCDMAB(i);

			dev_dbg(hsotg->dev, "HCDMAB	 @0x%08lX : 0x%08X\n",

				(unsigned long)addr, dwc2_readl(addr));

drivers/usb/dwc2/core.h

+0 −5
Original line number Diff line number Diff line
@@ -470,9 +470,6 @@ struct dwc2_core_params { 
	u8 phy_utmi_width;

	bool phy_ulpi_ddr;

	bool phy_ulpi_ext_vbus;

#define DWC2_PHY_ULPI_INTERNAL_VBUS    0

#define DWC2_PHY_ULPI_EXTERNAL_VBUS    1



	bool enable_dynamic_fifo;

	bool en_multiple_tx_fifo;

	bool i2c_enable;
@@ -492,8 +489,6 @@ struct dwc2_core_params { 
	bool dma_desc_fs_enable;

	bool host_support_fs_ls_low_power;

	bool host_ls_low_power_phy_clk;

#define DWC2_HOST_LS_LOW_POWER_PHY_CLK_PARAM_48MHZ	0

#define DWC2_HOST_LS_LOW_POWER_PHY_CLK_PARAM_6MHZ	1



	u8 host_channels;

	u16 host_rx_fifo_size;

drivers/usb/dwc2/core_intr.c

+1 −1
Original line number Diff line number Diff line
@@ -160,7 +160,7 @@ static void dwc2_handle_otg_intr(struct dwc2_hsotg *hsotg) 
		gotgctl = dwc2_readl(hsotg->regs + GOTGCTL);

		if (gotgctl & GOTGCTL_SESREQSCS) {

			if (hsotg->params.phy_type == DWC2_PHY_TYPE_PARAM_FS &&

			    hsotg->params.i2c_enable > 0) {

			    hsotg->params.i2c_enable) {

				hsotg->srp_success = 1;

			} else {

				/* Clear Session Request */

drivers/usb/dwc2/gadget.c

+1 −1
Original line number Diff line number Diff line
@@ -3227,7 +3227,7 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, 
	if (!using_desc_dma(hsotg))

		intmsk |= GINTSTS_INCOMPL_SOIN | GINTSTS_INCOMPL_SOOUT;



	if (hsotg->params.external_id_pin_ctl <= 0)

	if (!hsotg->params.external_id_pin_ctl)

		intmsk |= GINTSTS_CONIDSTSCHNG;



	dwc2_writel(intmsk, hsotg->regs + GINTMSK);

drivers/usb/dwc2/hcd.c

+56 −57
Original line number Diff line number Diff line
@@ -79,9 +79,9 @@ static void dwc2_enable_common_interrupts(struct dwc2_hsotg *hsotg) 
	/* Enable the interrupts in the GINTMSK */

	intmsk = GINTSTS_MODEMIS | GINTSTS_OTGINT;



	if (hsotg->params.host_dma <= 0)

	if (!hsotg->params.host_dma)

		intmsk |= GINTSTS_RXFLVL;

	if (hsotg->params.external_id_pin_ctl <= 0)

	if (!hsotg->params.external_id_pin_ctl)

		intmsk |= GINTSTS_CONIDSTSCHNG;



	intmsk |= GINTSTS_WKUPINT | GINTSTS_USBSUSP |
@@ -100,7 +100,7 @@ static void dwc2_init_fs_ls_pclk_sel(struct dwc2_hsotg *hsotg) 


	if ((hsotg->hw_params.hs_phy_type == GHWCFG2_HS_PHY_TYPE_ULPI &&

	     hsotg->hw_params.fs_phy_type == GHWCFG2_FS_PHY_TYPE_DEDICATED &&

	     hsotg->params.ulpi_fs_ls > 0) ||

	     hsotg->params.ulpi_fs_ls) ||

	    hsotg->params.phy_type == DWC2_PHY_TYPE_PARAM_FS) {

		/* Full speed PHY */

		val = HCFG_FSLSPCLKSEL_48_MHZ;
@@ -152,7 +152,7 @@ static int dwc2_fs_phy_init(struct dwc2_hsotg *hsotg, bool select_phy) 
	if (dwc2_is_host_mode(hsotg))

		dwc2_init_fs_ls_pclk_sel(hsotg);



	if (hsotg->params.i2c_enable > 0) {

	if (hsotg->params.i2c_enable) {

		dev_dbg(hsotg->dev, "FS PHY enabling I2C\n");



		/* Program GUSBCFG.OtgUtmiFsSel to I2C */
@@ -195,7 +195,7 @@ static int dwc2_hs_phy_init(struct dwc2_hsotg *hsotg, bool select_phy) 
		dev_dbg(hsotg->dev, "HS ULPI PHY selected\n");

		usbcfg |= GUSBCFG_ULPI_UTMI_SEL;

		usbcfg &= ~(GUSBCFG_PHYIF16 | GUSBCFG_DDRSEL);

		if (hsotg->params.phy_ulpi_ddr > 0)

		if (hsotg->params.phy_ulpi_ddr)

			usbcfg |= GUSBCFG_DDRSEL;

		break;

	case DWC2_PHY_TYPE_PARAM_UTMI:
@@ -246,7 +246,7 @@ static int dwc2_phy_init(struct dwc2_hsotg *hsotg, bool select_phy) 


	if (hsotg->hw_params.hs_phy_type == GHWCFG2_HS_PHY_TYPE_ULPI &&

	    hsotg->hw_params.fs_phy_type == GHWCFG2_FS_PHY_TYPE_DEDICATED &&

	    hsotg->params.ulpi_fs_ls > 0) {

	    hsotg->params.ulpi_fs_ls) {

		dev_dbg(hsotg->dev, "Setting ULPI FSLS\n");

		usbcfg = dwc2_readl(hsotg->regs + GUSBCFG);

		usbcfg |= GUSBCFG_ULPI_FS_LS;
@@ -290,17 +290,17 @@ static int dwc2_gahbcfg_init(struct dwc2_hsotg *hsotg) 
		hsotg->params.host_dma,

		hsotg->params.dma_desc_enable);



	if (hsotg->params.host_dma > 0) {

		if (hsotg->params.dma_desc_enable > 0)

	if (hsotg->params.host_dma) {

		if (hsotg->params.dma_desc_enable)

			dev_dbg(hsotg->dev, "Using Descriptor DMA mode\n");

		else

			dev_dbg(hsotg->dev, "Using Buffer DMA mode\n");

	} else {

		dev_dbg(hsotg->dev, "Using Slave mode\n");

		hsotg->params.dma_desc_enable = 0;

		hsotg->params.dma_desc_enable = false;

	}



	if (hsotg->params.host_dma > 0)

	if (hsotg->params.host_dma)

		ahbcfg |= GAHBCFG_DMA_EN;



	dwc2_writel(ahbcfg, hsotg->regs + GAHBCFG);
@@ -491,7 +491,7 @@ static void dwc2_config_fifos(struct dwc2_hsotg *hsotg) 
	dev_dbg(hsotg->dev, "new hptxfsiz=%08x\n",

		dwc2_readl(hsotg->regs + HPTXFSIZ));



	if (hsotg->params.en_multiple_tx_fifo > 0 &&

	if (hsotg->params.en_multiple_tx_fifo &&

	    hsotg->hw_params.snpsid <= DWC2_CORE_REV_2_94a) {

		/*

		 * Global DFIFOCFG calculation for Host mode -
@@ -771,7 +771,7 @@ static void dwc2_hc_enable_dma_ints(struct dwc2_hsotg *hsotg, 
	 * For Descriptor DMA mode core halts the channel on AHB error.

	 * Interrupt is not required.

	 */

	if (hsotg->params.dma_desc_enable <= 0) {

	if (!hsotg->params.dma_desc_enable) {

		if (dbg_hc(chan))

			dev_vdbg(hsotg->dev, "desc DMA disabled\n");

		hcintmsk |= HCINTMSK_AHBERR;
@@ -804,7 +804,7 @@ static void dwc2_hc_enable_ints(struct dwc2_hsotg *hsotg, 
{

	u32 intmsk;



	if (hsotg->params.host_dma > 0) {

	if (hsotg->params.host_dma) {

		if (dbg_hc(chan))

			dev_vdbg(hsotg->dev, "DMA enabled\n");

		dwc2_hc_enable_dma_ints(hsotg, chan);
@@ -1024,7 +1024,7 @@ void dwc2_hc_halt(struct dwc2_hsotg *hsotg, struct dwc2_host_chan *chan, 


	/* No need to set the bit in DDMA for disabling the channel */

	/* TODO check it everywhere channel is disabled */

	if (hsotg->params.dma_desc_enable <= 0) {

	if (!hsotg->params.dma_desc_enable) {

		if (dbg_hc(chan))

			dev_vdbg(hsotg->dev, "desc DMA disabled\n");

		hcchar |= HCCHAR_CHENA;
@@ -1034,7 +1034,7 @@ void dwc2_hc_halt(struct dwc2_hsotg *hsotg, struct dwc2_host_chan *chan, 
	}

	hcchar |= HCCHAR_CHDIS;



	if (hsotg->params.host_dma <= 0) {

	if (!hsotg->params.host_dma) {

		if (dbg_hc(chan))

			dev_vdbg(hsotg->dev, "DMA not enabled\n");

		hcchar |= HCCHAR_CHENA;
@@ -1380,7 +1380,7 @@ static void dwc2_hc_start_transfer(struct dwc2_hsotg *hsotg, 
		dev_vdbg(hsotg->dev, "%s()\n", __func__);



	if (chan->do_ping) {

		if (hsotg->params.host_dma <= 0) {

		if (!hsotg->params.host_dma) {

			if (dbg_hc(chan))

				dev_vdbg(hsotg->dev, "ping, no DMA\n");

			dwc2_hc_do_ping(hsotg, chan);
@@ -1508,7 +1508,7 @@ static void dwc2_hc_start_transfer(struct dwc2_hsotg *hsotg, 
			 TSIZ_SC_MC_PID_SHIFT);

	}



	if (hsotg->params.host_dma > 0) {

	if (hsotg->params.host_dma) {

		dwc2_writel((u32)chan->xfer_dma,

			    hsotg->regs + HCDMA(chan->hc_num));

		if (dbg_hc(chan))
@@ -1551,7 +1551,7 @@ static void dwc2_hc_start_transfer(struct dwc2_hsotg *hsotg, 
	chan->xfer_started = 1;

	chan->requests++;



	if (hsotg->params.host_dma <= 0 &&

	if (!hsotg->params.host_dma &&

	    !chan->ep_is_in && chan->xfer_len > 0)

		/* Load OUT packet into the appropriate Tx FIFO */

		dwc2_hc_write_packet(hsotg, chan);
@@ -1834,7 +1834,7 @@ static void dwc2_hcd_cleanup_channels(struct dwc2_hsotg *hsotg) 
	u32 hcchar;

	int i;



	if (hsotg->params.host_dma <= 0) {

	if (!hsotg->params.host_dma) {

		/* Flush out any channel requests in slave mode */

		for (i = 0; i < num_channels; i++) {

			channel = hsotg->hc_ptr_array[i];
@@ -1870,7 +1870,7 @@ static void dwc2_hcd_cleanup_channels(struct dwc2_hsotg *hsotg) 
		channel->qh = NULL;

	}

	/* All channels have been freed, mark them available */

	if (hsotg->params.uframe_sched > 0) {

	if (hsotg->params.uframe_sched) {

		hsotg->available_host_channels =

			hsotg->params.host_channels;

	} else {
@@ -2107,7 +2107,7 @@ static int dwc2_hcd_urb_dequeue(struct dwc2_hsotg *hsotg, 
	 * Free the QTD and clean up the associated QH. Leave the QH in the

	 * schedule if it has any remaining QTDs.

	 */

	if (hsotg->params.dma_desc_enable <= 0) {

	if (!hsotg->params.dma_desc_enable) {

		u8 in_process = urb_qtd->in_process;



		dwc2_hcd_qtd_unlink_and_free(hsotg, urb_qtd, qh);
@@ -2215,13 +2215,12 @@ static int dwc2_core_init(struct dwc2_hsotg *hsotg, bool initial_setup) 


	/* Set ULPI External VBUS bit if needed */

	usbcfg &= ~GUSBCFG_ULPI_EXT_VBUS_DRV;

	if (hsotg->params.phy_ulpi_ext_vbus ==

				DWC2_PHY_ULPI_EXTERNAL_VBUS)

	if (hsotg->params.phy_ulpi_ext_vbus)

		usbcfg |= GUSBCFG_ULPI_EXT_VBUS_DRV;



	/* Set external TS Dline pulsing bit if needed */

	usbcfg &= ~GUSBCFG_TERMSELDLPULSE;

	if (hsotg->params.ts_dline > 0)

	if (hsotg->params.ts_dline)

		usbcfg |= GUSBCFG_TERMSELDLPULSE;



	dwc2_writel(usbcfg, hsotg->regs + GUSBCFG);
@@ -2316,13 +2315,13 @@ static void dwc2_core_host_init(struct dwc2_hsotg *hsotg) 
	 * runtime. This bit needs to be programmed during initial configuration

	 * and its value must not be changed during runtime.

	 */

	if (hsotg->params.reload_ctl > 0) {

	if (hsotg->params.reload_ctl) {

		hfir = dwc2_readl(hsotg->regs + HFIR);

		hfir |= HFIR_RLDCTRL;

		dwc2_writel(hfir, hsotg->regs + HFIR);

	}



	if (hsotg->params.dma_desc_enable > 0) {

	if (hsotg->params.dma_desc_enable) {

		u32 op_mode = hsotg->hw_params.op_mode;



		if (hsotg->hw_params.snpsid < DWC2_CORE_REV_2_90a ||
@@ -2334,7 +2333,7 @@ static void dwc2_core_host_init(struct dwc2_hsotg *hsotg) 
				"Hardware does not support descriptor DMA mode -\n");

			dev_err(hsotg->dev,

				"falling back to buffer DMA mode.\n");

			hsotg->params.dma_desc_enable = 0;

			hsotg->params.dma_desc_enable = false;

		} else {

			hcfg = dwc2_readl(hsotg->regs + HCFG);

			hcfg |= HCFG_DESCDMA;
@@ -2360,7 +2359,7 @@ static void dwc2_core_host_init(struct dwc2_hsotg *hsotg) 
	otgctl &= ~GOTGCTL_HSTSETHNPEN;

	dwc2_writel(otgctl, hsotg->regs + GOTGCTL);



	if (hsotg->params.dma_desc_enable <= 0) {

	if (!hsotg->params.dma_desc_enable) {

		int num_channels, i;

		u32 hcchar;
@@ -2427,7 +2426,7 @@ static void dwc2_hcd_reinit(struct dwc2_hsotg *hsotg) 
	hsotg->flags.d32 = 0;

	hsotg->non_periodic_qh_ptr = &hsotg->non_periodic_sched_active;



	if (hsotg->params.uframe_sched > 0) {

	if (hsotg->params.uframe_sched) {

		hsotg->available_host_channels =

			hsotg->params.host_channels;

	} else {
@@ -2485,7 +2484,7 @@ static void dwc2_hc_init_xfer(struct dwc2_hsotg *hsotg, 
			chan->do_ping = 0;

			chan->ep_is_in = 0;

			chan->data_pid_start = DWC2_HC_PID_SETUP;

			if (hsotg->params.host_dma > 0)

			if (hsotg->params.host_dma)

				chan->xfer_dma = urb->setup_dma;

			else

				chan->xfer_buf = urb->setup_packet;
@@ -2512,7 +2511,7 @@ static void dwc2_hc_init_xfer(struct dwc2_hsotg *hsotg, 
				chan->do_ping = 0;

			chan->data_pid_start = DWC2_HC_PID_DATA1;

			chan->xfer_len = 0;

			if (hsotg->params.host_dma > 0)

			if (hsotg->params.host_dma)

				chan->xfer_dma = hsotg->status_buf_dma;

			else

				chan->xfer_buf = hsotg->status_buf;
@@ -2530,13 +2529,13 @@ static void dwc2_hc_init_xfer(struct dwc2_hsotg *hsotg, 


	case USB_ENDPOINT_XFER_ISOC:

		chan->ep_type = USB_ENDPOINT_XFER_ISOC;

		if (hsotg->params.dma_desc_enable > 0)

		if (hsotg->params.dma_desc_enable)

			break;



		frame_desc = &urb->iso_descs[qtd->isoc_frame_index];

		frame_desc->status = 0;



		if (hsotg->params.host_dma > 0) {

		if (hsotg->params.host_dma) {

			chan->xfer_dma = urb->dma;

			chan->xfer_dma += frame_desc->offset +

					qtd->isoc_split_offset;
@@ -2718,7 +2717,7 @@ static int dwc2_assign_and_init_hc(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh) 
	    !dwc2_hcd_is_pipe_in(&urb->pipe_info))

		urb->actual_length = urb->length;



	if (hsotg->params.host_dma > 0)

	if (hsotg->params.host_dma)

		chan->xfer_dma = urb->dma + urb->actual_length;

	else

		chan->xfer_buf = (u8 *)urb->buf + urb->actual_length;
@@ -2743,7 +2742,7 @@ static int dwc2_assign_and_init_hc(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh) 
		 */

		chan->multi_count = dwc2_hb_mult(qh->maxp);



	if (hsotg->params.dma_desc_enable > 0) {

	if (hsotg->params.dma_desc_enable) {

		chan->desc_list_addr = qh->desc_list_dma;

		chan->desc_list_sz = qh->desc_list_sz;

	}
@@ -2780,7 +2779,7 @@ enum dwc2_transaction_type dwc2_hcd_select_transactions( 
	while (qh_ptr != &hsotg->periodic_sched_ready) {

		if (list_empty(&hsotg->free_hc_list))

			break;

		if (hsotg->params.uframe_sched > 0) {

		if (hsotg->params.uframe_sched) {

			if (hsotg->available_host_channels <= 1)

				break;

			hsotg->available_host_channels--;
@@ -2807,14 +2806,14 @@ enum dwc2_transaction_type dwc2_hcd_select_transactions( 
	num_channels = hsotg->params.host_channels;

	qh_ptr = hsotg->non_periodic_sched_inactive.next;

	while (qh_ptr != &hsotg->non_periodic_sched_inactive) {

		if (hsotg->params.uframe_sched <= 0 &&

		if (!hsotg->params.uframe_sched &&

		    hsotg->non_periodic_channels >= num_channels -

						hsotg->periodic_channels)

			break;

		if (list_empty(&hsotg->free_hc_list))

			break;

		qh = list_entry(qh_ptr, struct dwc2_qh, qh_list_entry);

		if (hsotg->params.uframe_sched > 0) {

		if (hsotg->params.uframe_sched) {

			if (hsotg->available_host_channels < 1)

				break;

			hsotg->available_host_channels--;
@@ -2836,7 +2835,7 @@ enum dwc2_transaction_type dwc2_hcd_select_transactions( 
		else

			ret_val = DWC2_TRANSACTION_ALL;



		if (hsotg->params.uframe_sched <= 0)

		if (!hsotg->params.uframe_sched)

			hsotg->non_periodic_channels++;

	}
@@ -2875,8 +2874,8 @@ static int dwc2_queue_transaction(struct dwc2_hsotg *hsotg, 
		list_move_tail(&chan->split_order_list_entry,

			       &hsotg->split_order);



	if (hsotg->params.host_dma > 0) {

		if (hsotg->params.dma_desc_enable > 0) {

	if (hsotg->params.host_dma) {

		if (hsotg->params.dma_desc_enable) {

			if (!chan->xfer_started ||

			    chan->ep_type == USB_ENDPOINT_XFER_ISOC) {

				dwc2_hcd_start_xfer_ddma(hsotg, chan->qh);
@@ -2985,7 +2984,7 @@ static void dwc2_process_periodic_channels(struct dwc2_hsotg *hsotg) 
		 * The flag prevents any halts to get into the request queue in

		 * the middle of multiple high-bandwidth packets getting queued.

		 */

		if (hsotg->params.host_dma <= 0 &&

		if (!hsotg->params.host_dma &&

		    qh->channel->multi_count > 1)

			hsotg->queuing_high_bandwidth = 1;
@@ -3004,7 +3003,7 @@ static void dwc2_process_periodic_channels(struct dwc2_hsotg *hsotg) 
		 * controller automatically handles multiple packets for

		 * high-bandwidth transfers.

		 */

		if (hsotg->params.host_dma > 0 || status == 0 ||

		if (hsotg->params.host_dma || status == 0 ||

		    qh->channel->requests == qh->channel->multi_count) {

			qh_ptr = qh_ptr->next;

			/*
@@ -3021,7 +3020,7 @@ static void dwc2_process_periodic_channels(struct dwc2_hsotg *hsotg) 


exit:

	if (no_queue_space || no_fifo_space ||

	    (hsotg->params.host_dma <= 0 &&

	    (!hsotg->params.host_dma &&

	     !list_empty(&hsotg->periodic_sched_assigned))) {

		/*

		 * May need to queue more transactions as the request
@@ -3101,7 +3100,7 @@ static void dwc2_process_non_periodic_channels(struct dwc2_hsotg *hsotg) 
		tx_status = dwc2_readl(hsotg->regs + GNPTXSTS);

		qspcavail = (tx_status & TXSTS_QSPCAVAIL_MASK) >>

			    TXSTS_QSPCAVAIL_SHIFT;

		if (hsotg->params.host_dma <= 0 && qspcavail == 0) {

		if (!hsotg->params.host_dma && qspcavail == 0) {

			no_queue_space = 1;

			break;

		}
@@ -3134,7 +3133,7 @@ next: 
					hsotg->non_periodic_qh_ptr->next;

	} while (hsotg->non_periodic_qh_ptr != orig_qh_ptr);



	if (hsotg->params.host_dma <= 0) {

	if (!hsotg->params.host_dma) {

		tx_status = dwc2_readl(hsotg->regs + GNPTXSTS);

		qspcavail = (tx_status & TXSTS_QSPCAVAIL_MASK) >>

			    TXSTS_QSPCAVAIL_SHIFT;
@@ -3611,7 +3610,7 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq, 
				u32 hcfg;



				dev_info(hsotg->dev, "Enabling descriptor DMA mode\n");

				hsotg->params.dma_desc_enable = 1;

				hsotg->params.dma_desc_enable = true;

				hcfg = dwc2_readl(hsotg->regs + HCFG);

				hcfg |= HCFG_DESCDMA;

				dwc2_writel(hcfg, hsotg->regs + HCFG);
@@ -4912,7 +4911,7 @@ static void dwc2_hcd_free(struct dwc2_hsotg *hsotg) 
		}

	}



	if (hsotg->params.host_dma > 0) {

	if (hsotg->params.host_dma) {

		if (hsotg->status_buf) {

			dma_free_coherent(hsotg->dev, DWC2_HCD_STATUS_BUF_SIZE,

					  hsotg->status_buf,
@@ -4992,16 +4991,16 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq) 
	hsotg->last_frame_num = HFNUM_MAX_FRNUM;



	/* Check if the bus driver or platform code has setup a dma_mask */

	if (hsotg->params.host_dma > 0 &&

	if (hsotg->params.host_dma &&

	    !hsotg->dev->dma_mask) {

		dev_warn(hsotg->dev,

			 "dma_mask not set, disabling DMA\n");

		hsotg->params.host_dma = false;

		hsotg->params.dma_desc_enable = 0;

		hsotg->params.dma_desc_enable = false;

	}



	/* Set device flags indicating whether the HCD supports DMA */

	if (hsotg->params.host_dma > 0) {

	if (hsotg->params.host_dma) {

		if (dma_set_mask(hsotg->dev, DMA_BIT_MASK(32)) < 0)

			dev_warn(hsotg->dev, "can't set DMA mask\n");

		if (dma_set_coherent_mask(hsotg->dev, DMA_BIT_MASK(32)) < 0)
@@ -5012,7 +5011,7 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq) 
	if (!hcd)

		goto error1;



	if (hsotg->params.host_dma <= 0)

	if (!hsotg->params.host_dma)

		hcd->self.uses_dma = 0;



	hcd->has_tt = 1;
@@ -5084,7 +5083,7 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq) 
	 * done after usb_add_hcd since that function allocates the DMA buffer

	 * pool.

	 */

	if (hsotg->params.host_dma > 0)

	if (hsotg->params.host_dma)

		hsotg->status_buf = dma_alloc_coherent(hsotg->dev,

					DWC2_HCD_STATUS_BUF_SIZE,

					&hsotg->status_buf_dma, GFP_KERNEL);
@@ -5114,8 +5113,8 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq) 
			 * Disable descriptor dma mode since it will not be

			 * usable.

			 */

			hsotg->params.dma_desc_enable = 0;

			hsotg->params.dma_desc_fs_enable = 0;

			hsotg->params.dma_desc_enable = false;

			hsotg->params.dma_desc_fs_enable = false;

		}



		hsotg->desc_hsisoc_cache = kmem_cache_create("dwc2-hsisoc-desc",
@@ -5131,8 +5130,8 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq) 
			 * Disable descriptor dma mode since it will not be

			 * usable.

			 */

			hsotg->params.dma_desc_enable = 0;

			hsotg->params.dma_desc_fs_enable = 0;

			hsotg->params.dma_desc_enable = false;

			hsotg->params.dma_desc_fs_enable = false;

		}

	}