openwrt/target/linux/bcm27xx/patches-5.4/950-1005-dwc_otg-Fix-more-build-warnings.patch

From 9b899afd231b7dde6084092cf46dd15c05ed8a5c Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Tue, 27 Oct 2020 12:11:56 +0000
Subject: [PATCH] dwc_otg: Fix more build warnings

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
 drivers/usb/host/dwc_otg/dwc_otg_fiq_fsm.c  | 10 +++++----
 drivers/usb/host/dwc_otg/dwc_otg_hcd.c      | 23 ++++++++++++++-------
 drivers/usb/host/dwc_otg/dwc_otg_hcd_ddma.c |  3 ++-
 drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c |  8 +++----
 4 files changed, 27 insertions(+), 17 deletions(-)

--- a/drivers/usb/host/dwc_otg/dwc_otg_fiq_fsm.c
+++ b/drivers/usb/host/dwc_otg/dwc_otg_fiq_fsm.c
@@ -240,7 +240,8 @@ static int notrace fiq_increment_dma_buf
 	hcdma_data_t hcdma;
 	int i = st->channel[n].dma_info.index;
 	int len;
-	struct fiq_dma_blob *blob = (struct fiq_dma_blob *) st->dma_base;
+	struct fiq_dma_blob *blob =
+		(struct fiq_dma_blob *)(uintptr_t)st->dma_base;
 
 	len = fiq_get_xfer_len(st, n);
 	fiq_print(FIQDBG_INT, st, "LEN: %03d", len);
@@ -249,7 +250,7 @@ static int notrace fiq_increment_dma_buf
 	if (i > 6)
 		BUG();
 
-	hcdma.d32 = (dma_addr_t) &blob->channel[n].index[i].buf[0];
+	hcdma.d32 = (u32)(uintptr_t)&blob->channel[n].index[i].buf[0];
 	FIQ_WRITE(st->dwc_regs_base + HC_START + (HC_OFFSET * n) + HC_DMA, hcdma.d32);
 	st->channel[n].dma_info.index = i;
 	return 0;
@@ -289,7 +290,8 @@ static int notrace fiq_iso_out_advance(s
 	hcsplt_data_t hcsplt;
 	hctsiz_data_t hctsiz;
 	hcdma_data_t hcdma;
-	struct fiq_dma_blob *blob = (struct fiq_dma_blob *) st->dma_base;
+	struct fiq_dma_blob *blob =
+		(struct fiq_dma_blob *)(uintptr_t)st->dma_base;
 	int last = 0;
 	int i = st->channel[n].dma_info.index;
 
@@ -301,7 +303,7 @@ static int notrace fiq_iso_out_advance(s
 		last = 1;
 
 	/* New DMA address - address of bounce buffer referred to in index */
-	hcdma.d32 = (dma_addr_t) blob->channel[n].index[i].buf;
+	hcdma.d32 = (u32)(uintptr_t)blob->channel[n].index[i].buf;
 	//hcdma.d32 = FIQ_READ(st->dwc_regs_base + HC_START + (HC_OFFSET * n) + HC_DMA);
 	//hcdma.d32 += st->channel[n].dma_info.slot_len[i];
 	fiq_print(FIQDBG_INT, st, "LAST: %01d ", last);
--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd.c
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd.c
@@ -1268,7 +1268,8 @@ static void assign_and_init_hc(dwc_otg_h
 	hc->multi_count = 1;
 
 	if (hcd->core_if->dma_enable) {
-		hc->xfer_buff = (uint8_t *) urb->dma + urb->actual_length;
+		hc->xfer_buff =
+		    (uint8_t *)(uintptr_t)urb->dma + urb->actual_length;
 
 		/* For non-dword aligned case */
 		if (((unsigned long)hc->xfer_buff & 0x3)
@@ -1312,7 +1313,8 @@ static void assign_and_init_hc(dwc_otg_h
 			hc->ep_is_in = 0;
 			hc->data_pid_start = DWC_OTG_HC_PID_SETUP;
 			if (hcd->core_if->dma_enable) {
-				hc->xfer_buff = (uint8_t *) urb->setup_dma;
+				hc->xfer_buff =
+					(uint8_t *)(uintptr_t)urb->setup_dma;
 			} else {
 				hc->xfer_buff = (uint8_t *) urb->setup_packet;
 			}
@@ -1360,7 +1362,8 @@ static void assign_and_init_hc(dwc_otg_h
 
 			hc->xfer_len = 0;
 			if (hcd->core_if->dma_enable) {
-				hc->xfer_buff = (uint8_t *) hcd->status_buf_dma;
+				hc->xfer_buff = (uint8_t *)
+					(uintptr_t)hcd->status_buf_dma;
 			} else {
 				hc->xfer_buff = (uint8_t *) hcd->status_buf;
 			}
@@ -1388,7 +1391,7 @@ static void assign_and_init_hc(dwc_otg_h
 			frame_desc->status = 0;
 
 			if (hcd->core_if->dma_enable) {
-				hc->xfer_buff = (uint8_t *) urb->dma;
+				hc->xfer_buff = (uint8_t *)(uintptr_t)urb->dma;
 			} else {
 				hc->xfer_buff = (uint8_t *) urb->buf;
 			}
@@ -1569,8 +1572,10 @@ int fiq_fsm_setup_periodic_dma(dwc_otg_h
 		 * Pointer arithmetic on hcd->fiq_state->dma_base (a dma_addr_t)
 		 * to point it to the correct offset in the allocated buffers.
 		 */
-		blob = (struct fiq_dma_blob *) hcd->fiq_state->dma_base;
-		st->hcdma_copy.d32 = (dma_addr_t) blob->channel[hc->hc_num].index[0].buf;
+		blob = (struct fiq_dma_blob *)
+			(uintptr_t)hcd->fiq_state->dma_base;
+		st->hcdma_copy.d32 =(u32)(uintptr_t)
+			blob->channel[hc->hc_num].index[0].buf;
 
 		/* Calculate the max number of CSPLITS such that the FIQ can time out
 		 * a transaction if it fails.
@@ -1625,8 +1630,10 @@ int fiq_fsm_setup_periodic_dma(dwc_otg_h
 			 * dma_addr_t) to point it to the correct offset in the
 			 * allocated buffers.
 			 */
-			blob = (struct fiq_dma_blob *) hcd->fiq_state->dma_base;
-			st->hcdma_copy.d32 = (dma_addr_t) blob->channel[hc->hc_num].index[0].buf;
+			blob = (struct fiq_dma_blob *)
+				(uintptr_t)hcd->fiq_state->dma_base;
+			st->hcdma_copy.d32 = (u32)(uintptr_t)
+				blob->channel[hc->hc_num].index[0].buf;
 
 			/* fixup xfersize to the actual packet size */
 			st->hctsiz_copy.b.pid = 0;
--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_ddma.c
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_ddma.c
@@ -620,7 +620,8 @@ static void init_non_isoc_dma_desc(dwc_o
 
 		if (n_desc) {
 			/* SG request - more than 1 QTDs */
-			hc->xfer_buff = (uint8_t *)qtd->urb->dma + qtd->urb->actual_length;
+			hc->xfer_buff = (uint8_t *)(uintptr_t)qtd->urb->dma +
+					qtd->urb->actual_length;
 			hc->xfer_len = qtd->urb->length - qtd->urb->actual_length;
 		}
 
--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c
@@ -1857,10 +1857,10 @@ static int32_t handle_hc_ahberr_intr(dwc
 	DWC_ERROR("  Max packet size: %d\n",
 		  dwc_otg_hcd_get_mps(&urb->pipe_info));
 	DWC_ERROR("  Data buffer length: %d\n", urb->length);
-	DWC_ERROR("  Transfer buffer: %p, Transfer DMA: %p\n",
-		  urb->buf, (void *)urb->dma);
-	DWC_ERROR("  Setup buffer: %p, Setup DMA: %p\n",
-		  urb->setup_packet, (void *)urb->setup_dma);
+	DWC_ERROR("  Transfer buffer: %p, Transfer DMA: %pad\n",
+		  urb->buf, &urb->dma);
+	DWC_ERROR("  Setup buffer: %p, Setup DMA: %pad\n",
+		  urb->setup_packet, &urb->setup_dma);
 	DWC_ERROR("  Interval: %d\n", urb->interval);
 
 	/* Core haltes the channel for Descriptor DMA mode */