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GET /api/patches/2224443/?format=api
{ "id": 2224443, "url": "http://patchwork.ozlabs.org/api/patches/2224443/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260416144426.12728-3-micbis.openwrt@gmail.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260416144426.12728-3-micbis.openwrt@gmail.com>", "list_archive_url": null, "date": "2026-04-16T14:44:26", "name": "[v2,2/2] usb: gadget: renesas: add support for RZ/G2L SoC", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "792f3b3281c66acf43a87d4820d47816e13d170b", "submitter": { "id": 93164, "url": "http://patchwork.ozlabs.org/api/people/93164/?format=api", "name": "Michele Bisogno", "email": "micbis.openwrt@gmail.com" }, "delegate": { "id": 1699, "url": "http://patchwork.ozlabs.org/api/users/1699/?format=api", "username": "marex", "first_name": "Marek", "last_name": "Vasut", "email": "marek.vasut@gmail.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260416144426.12728-3-micbis.openwrt@gmail.com/mbox/", "series": [ { "id": 500323, "url": "http://patchwork.ozlabs.org/api/series/500323/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=500323", "date": "2026-04-16T14:44:24", "name": "This is version 2 of the RZ/G2L support.", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/500323/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2224443/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2224443/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=iOwPEpN0;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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Fix a re-entrancy bug by calling usb_del_gadget_udc()\nin the remove callback to prevent stale UDC list entries.\nfifo: Refactor PIO push/pop logic to handle trailing bytes\nusing iowrite8/ioread8. This ensures correct data alignment on\nRZ/G2L and simplifies the data transfer loop.\n---\n drivers/usb/gadget/rcar/common.c | 15 +++++++++++++++\n drivers/usb/gadget/rcar/fifo.c | 23 +++++++++++++----------\n 2 files changed, 28 insertions(+), 10 deletions(-)", "diff": "diff --git a/drivers/usb/gadget/rcar/common.c b/drivers/usb/gadget/rcar/common.c\nindex 2ba022a3f2c..1f266ae5ac9 100644\n--- a/drivers/usb/gadget/rcar/common.c\n+++ b/drivers/usb/gadget/rcar/common.c\n@@ -16,6 +16,7 @@\n #include <linux/usb/ch9.h>\n #include <linux/usb/gadget.h>\n #include <usb.h>\n+#include <reset.h>\n \n #include \"common.h\"\n \n@@ -397,6 +398,7 @@ static int usbhs_udc_otg_probe(struct udevice *dev)\n \tstruct usbhs_priv_otg_data *priv = dev_get_priv(dev);\n \tstruct usb_gadget *gadget;\n \tstruct clk_bulk clk_bulk;\n+\tstruct reset_ctl_bulk reset_bulk;\n \tint ret = -EINVAL;\n \n \tpriv->base = dev_read_addr_ptr(dev);\n@@ -411,6 +413,14 @@ static int usbhs_udc_otg_probe(struct udevice *dev)\n \tif (ret)\n \t\treturn ret;\n \n+\tret = reset_get_bulk(dev, &reset_bulk);\n+\tif (ret)\n+\t\treturn ret;\n+\n+\tret = reset_deassert_bulk(&reset_bulk);\n+\tif (ret)\n+\t\treturn ret;\n+\n \tclrsetbits_le32(priv->base + UGCTRL2, UGCTRL2_USB0SEL_MASK, UGCTRL2_USB0SEL_EHCI);\n \tclrsetbits_le16(priv->base + LPSTS, LPSTS_SUSPM, LPSTS_SUSPM);\n \n@@ -447,7 +457,11 @@ err_clk:\n static int usbhs_udc_otg_remove(struct udevice *dev)\n {\n \tstruct usbhs_priv_otg_data *priv = dev_get_priv(dev);\n+\tstruct usb_gadget *gadget;\n \n+\tgadget = usbhsg_get_gadget(&priv->usbhs_priv);\n+\tif (gadget)\n+\t\tusb_del_gadget_udc(gadget);\n \tusbhs_rcar3_power_ctrl(&priv->usbhs_priv, false);\n \tusbhs_mod_remove(&priv->usbhs_priv);\n \tusbhs_fifo_remove(&priv->usbhs_priv);\n@@ -460,6 +474,7 @@ static int usbhs_udc_otg_remove(struct udevice *dev)\n \n static const struct udevice_id usbhs_udc_otg_ids[] = {\n \t{ .compatible = \"renesas,rcar-gen3-usbhs\" },\n+\t{ .compatible = \"renesas,rzg2l-usbhs\"},\n \t{},\n };\n \ndiff --git a/drivers/usb/gadget/rcar/fifo.c b/drivers/usb/gadget/rcar/fifo.c\nindex 6016b2987d5..b5340b4d860 100644\n--- a/drivers/usb/gadget/rcar/fifo.c\n+++ b/drivers/usb/gadget/rcar/fifo.c\n@@ -535,18 +535,21 @@ static int usbhsf_pio_try_push(struct usbhs_pkt *pkt, int *is_done)\n \t * 32-bit access only\n \t */\n \tif (len >= 4 && !((unsigned long)buf & 0x03)) {\n-\t\tiowrite32_rep(addr, buf, len / 4);\n-\t\tlen %= 4;\n-\t\tbuf += total_len - len;\n+\t\tint words = len / 4;\n+\n+\t\tiowrite32_rep(addr, buf, words);\n+\t\tbuf += (words * 4);\n+\t\tlen -= (words * 4);\n \t}\n \n \t/* the rest operation */\n-\tif (usbhs_get_dparam(priv, cfifo_byte_addr)) {\n-\t\tfor (i = 0; i < len; i++)\n-\t\t\tiowrite8(buf[i], addr + (i & 0x03));\n-\t} else {\n-\t\tfor (i = 0; i < len; i++)\n-\t\t\tiowrite8(buf[i], addr + (0x03 - (i & 0x03)));\n+\tif (len > 0) {\n+\t\tif (len == 2 && !((unsigned long)buf & 0x01)) {\n+\t\t\tiowrite16(*(u16 *)buf, addr);\n+\t\t} else {\n+\t\t\tfor (i = 0; i < len; i++)\n+\t\t\t\tiowrite8(buf[i], addr);\n+\t\t}\n \t}\n \n \t/*\n@@ -716,7 +719,7 @@ static int usbhsf_pio_try_pop(struct usbhs_pkt *pkt, int *is_done)\n \t\tif (!(i & 0x03))\n \t\t\tdata = ioread32(addr);\n \n-\t\tbuf[i] = (data >> ((i & 0x03) * 8)) & 0xff;\n+\t\tbuf[i] = ioread8(addr);\n \t}\n \n usbhs_fifo_read_end:\n", "prefixes": [ "v2", "2/2" ] }