From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AE2D4CDB465 for ; Mon, 16 Oct 2023 12:34:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233162AbjJPMez (ORCPT ); Mon, 16 Oct 2023 08:34:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231444AbjJPMex (ORCPT ); Mon, 16 Oct 2023 08:34:53 -0400 Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8BAD1A2 for ; Mon, 16 Oct 2023 05:34:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=inria.fr; s=dc; h=date:from:to:cc:subject:in-reply-to:message-id: references:mime-version; bh=enH1ft/wvZkvblwLLKmG5GGnmfYvvr7ku6OEydqrNdw=; b=lEz8DQH+SODDiRznX7ofAIvwa4C2i+SI7wIZUxIqag9IwYPJyAmhVkvh 9PBsZuNG9TuiEYM1cOuHMevqwraxSxL5FXfMvaBsNC5BDsTuMA8yztxR5 4zcAjNgSF9Qm+Aad9Fwq4rJyvtXo27eRl1dQt5EVL97dt1VltZZQ9kSGn o=; Authentication-Results: mail3-relais-sop.national.inria.fr; dkim=none (message not signed) header.i=none; spf=SoftFail smtp.mailfrom=julia.lawall@inria.fr; dmarc=fail (p=none dis=none) d=inria.fr X-IronPort-AV: E=Sophos;i="6.03,229,1694728800"; d="scan'208";a="68833400" Received: from dhcp-138-246-3-50.dynamic.eduroam.mwn.de (HELO hadrien) ([138.246.3.50]) by mail3-relais-sop.national.inria.fr with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Oct 2023 14:34:48 +0200 Date: Mon, 16 Oct 2023 14:34:48 +0200 (CEST) From: Julia Lawall To: Gilbert Adikankwu cc: outreachy@lists.linux.dev, gregkh@linuxfoundation.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: your mail In-Reply-To: Message-ID: <3c8e9839-78f0-bb72-a195-ee4c54b68c7f@inria.fr> References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 16 Oct 2023, Gilbert Adikankwu wrote: > linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org > Bcc: > Subject: Re: [PATCH] staging: emxx_udc: Remove unnecessary parentheses around > condition tests > Reply-To: > In-Reply-To: <6b60ed7-9d97-2071-44f8-83b173191ed@inria.fr> > > On Mon, Oct 16, 2023 at 02:15:06PM +0200, Julia Lawall wrote: > > > > > > On Mon, 16 Oct 2023, Gilbert Adikankwu wrote: > > > > > Fix 47 warnings detected by checkpatch.pl about unnecessary parenthesis > > > around condition tests. > > > > If you need to make any changes to the patch, there is no need to give the > > count of the changes. It doesn't matter if it's 47, 46, 35, etc. > > > > julia > > > Hi Julia, > > I added the number because I saw I similar commit on the logs that did > so. (commit b83970f23f36f0e2968872140e69f68118d82fe3) OK, I still think it's pointless... The person who looks at the commit 5 years from now won't care about this information. They care about what you did and why. julia > > > > > > Signed-off-by: Gilbert Adikankwu > > > --- > > > drivers/staging/emxx_udc/emxx_udc.c | 72 ++++++++++++++--------------- > > > 1 file changed, 36 insertions(+), 36 deletions(-) > > > > > > diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c > > > index eb63daaca702..e8ddd691b788 100644 > > > --- a/drivers/staging/emxx_udc/emxx_udc.c > > > +++ b/drivers/staging/emxx_udc/emxx_udc.c > > > @@ -149,8 +149,8 @@ static void _nbu2ss_ep0_complete(struct usb_ep *_ep, struct usb_request *_req) > > > /* SET_FEATURE */ > > > recipient = (u8)(p_ctrl->bRequestType & USB_RECIP_MASK); > > > selector = le16_to_cpu(p_ctrl->wValue); > > > - if ((recipient == USB_RECIP_DEVICE) && > > > - (selector == USB_DEVICE_TEST_MODE)) { > > > + if (recipient == USB_RECIP_DEVICE && > > > + selector == USB_DEVICE_TEST_MODE) { > > > wIndex = le16_to_cpu(p_ctrl->wIndex); > > > test_mode = (u32)(wIndex >> 8); > > > _nbu2ss_set_test_mode(udc, test_mode); > > > @@ -287,7 +287,7 @@ static int _nbu2ss_epn_exit(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep) > > > u32 num; > > > u32 data; > > > > > > - if ((ep->epnum == 0) || (udc->vbus_active == 0)) > > > + if (ep->epnum == 0 || udc->vbus_active == 0) > > > return -EINVAL; > > > > > > num = ep->epnum - 1; > > > @@ -336,7 +336,7 @@ static void _nbu2ss_ep_dma_init(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep) > > > u32 data; > > > > > > data = _nbu2ss_readl(&udc->p_regs->USBSSCONF); > > > - if (((ep->epnum == 0) || (data & (1 << ep->epnum)) == 0)) > > > + if (ep->epnum == 0 || (data & (1 << ep->epnum)) == 0) > > > return; /* Not Support DMA */ > > > > > > num = ep->epnum - 1; > > > @@ -380,7 +380,7 @@ static void _nbu2ss_ep_dma_exit(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep) > > > return; /* VBUS OFF */ > > > > > > data = _nbu2ss_readl(&preg->USBSSCONF); > > > - if ((ep->epnum == 0) || ((data & (1 << ep->epnum)) == 0)) > > > + if (ep->epnum == 0 || (data & (1 << ep->epnum)) == 0) > > > return; /* Not Support DMA */ > > > > > > num = ep->epnum - 1; > > > @@ -560,7 +560,7 @@ static int ep0_out_overbytes(struct nbu2ss_udc *udc, u8 *p_buf, u32 length) > > > union usb_reg_access temp_32; > > > union usb_reg_access *p_buf_32 = (union usb_reg_access *)p_buf; > > > > > > - if ((length > 0) && (length < sizeof(u32))) { > > > + if (length > 0 && length < sizeof(u32)) { > > > temp_32.dw = _nbu2ss_readl(&udc->p_regs->EP0_READ); > > > for (i = 0 ; i < length ; i++) > > > p_buf_32->byte.DATA[i] = temp_32.byte.DATA[i]; > > > @@ -608,7 +608,7 @@ static int ep0_in_overbytes(struct nbu2ss_udc *udc, > > > union usb_reg_access temp_32; > > > union usb_reg_access *p_buf_32 = (union usb_reg_access *)p_buf; > > > > > > - if ((i_remain_size > 0) && (i_remain_size < sizeof(u32))) { > > > + if (i_remain_size > 0 && i_remain_size < sizeof(u32)) { > > > for (i = 0 ; i < i_remain_size ; i++) > > > temp_32.byte.DATA[i] = p_buf_32->byte.DATA[i]; > > > _nbu2ss_ep_in_end(udc, 0, temp_32.dw, i_remain_size); > > > @@ -701,7 +701,7 @@ static int _nbu2ss_ep0_in_transfer(struct nbu2ss_udc *udc, > > > return result; > > > } > > > > > > - if ((i_remain_size < sizeof(u32)) && (result != EP0_PACKETSIZE)) { > > > + if (i_remain_size < sizeof(u32) && result != EP0_PACKETSIZE) { > > > p_buffer += result; > > > result += ep0_in_overbytes(udc, p_buffer, i_remain_size); > > > req->div_len = result; > > > @@ -738,7 +738,7 @@ static int _nbu2ss_ep0_out_transfer(struct nbu2ss_udc *udc, > > > req->req.actual += result; > > > i_recv_length -= result; > > > > > > - if ((i_recv_length > 0) && (i_recv_length < sizeof(u32))) { > > > + if (i_recv_length > 0 && i_recv_length < sizeof(u32)) { > > > p_buffer += result; > > > i_remain_size -= result; > > > > > > @@ -891,8 +891,8 @@ static int _nbu2ss_epn_out_pio(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep, > > > > > > req->req.actual += result; > > > > > > - if ((req->req.actual == req->req.length) || > > > - ((req->req.actual % ep->ep.maxpacket) != 0)) { > > > + if (req->req.actual == req->req.length || > > > + (req->req.actual % ep->ep.maxpacket) != 0) { > > > result = 0; > > > } > > > > > > @@ -914,8 +914,8 @@ static int _nbu2ss_epn_out_data(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep, > > > > > > i_buf_size = min((req->req.length - req->req.actual), data_size); > > > > > > - if ((ep->ep_type != USB_ENDPOINT_XFER_INT) && (req->req.dma != 0) && > > > - (i_buf_size >= sizeof(u32))) { > > > + if (ep->ep_type != USB_ENDPOINT_XFER_INT && req->req.dma != 0 && > > > + i_buf_size >= sizeof(u32)) { > > > nret = _nbu2ss_out_dma(udc, req, num, i_buf_size); > > > } else { > > > i_buf_size = min_t(u32, i_buf_size, ep->ep.maxpacket); > > > @@ -954,8 +954,8 @@ static int _nbu2ss_epn_out_transfer(struct nbu2ss_udc *udc, > > > } > > > } > > > } else { > > > - if ((req->req.actual == req->req.length) || > > > - ((req->req.actual % ep->ep.maxpacket) != 0)) { > > > + if (req->req.actual == req->req.length || > > > + (req->req.actual % ep->ep.maxpacket) != 0) { > > > result = 0; > > > } > > > } > > > @@ -1106,8 +1106,8 @@ static int _nbu2ss_epn_in_data(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep, > > > > > > num = ep->epnum - 1; > > > > > > - if ((ep->ep_type != USB_ENDPOINT_XFER_INT) && (req->req.dma != 0) && > > > - (data_size >= sizeof(u32))) { > > > + if (ep->ep_type != USB_ENDPOINT_XFER_INT && req->req.dma != 0 && > > > + data_size >= sizeof(u32)) { > > > nret = _nbu2ss_in_dma(udc, ep, req, num, data_size); > > > } else { > > > data_size = min_t(u32, data_size, ep->ep.maxpacket); > > > @@ -1238,7 +1238,7 @@ static void _nbu2ss_endpoint_toggle_reset(struct nbu2ss_udc *udc, u8 ep_adrs) > > > u8 num; > > > u32 data; > > > > > > - if ((ep_adrs == 0) || (ep_adrs == 0x80)) > > > + if (ep_adrs == 0 || ep_adrs == 0x80) > > > return; > > > > > > num = (ep_adrs & 0x7F) - 1; > > > @@ -1261,7 +1261,7 @@ static void _nbu2ss_set_endpoint_stall(struct nbu2ss_udc *udc, > > > struct nbu2ss_ep *ep; > > > struct fc_regs __iomem *preg = udc->p_regs; > > > > > > - if ((ep_adrs == 0) || (ep_adrs == 0x80)) { > > > + if (ep_adrs == 0 || ep_adrs == 0x80) { > > > if (bstall) { > > > /* Set STALL */ > > > _nbu2ss_bitset(&preg->EP0_CONTROL, EP0_STL); > > > @@ -1392,8 +1392,8 @@ static inline int _nbu2ss_req_feature(struct nbu2ss_udc *udc, bool bset) > > > u8 ep_adrs; > > > int result = -EOPNOTSUPP; > > > > > > - if ((udc->ctrl.wLength != 0x0000) || > > > - (direction != USB_DIR_OUT)) { > > > + if (udc->ctrl.wLength != 0x0000 || > > > + direction != USB_DIR_OUT) { > > > return -EINVAL; > > > } > > > > > > @@ -1480,7 +1480,7 @@ static int std_req_get_status(struct nbu2ss_udc *udc) > > > u8 ep_adrs; > > > int result = -EINVAL; > > > > > > - if ((udc->ctrl.wValue != 0x0000) || (direction != USB_DIR_IN)) > > > + if (udc->ctrl.wValue != 0x0000 || direction != USB_DIR_IN) > > > return result; > > > > > > length = > > > @@ -1542,9 +1542,9 @@ static int std_req_set_address(struct nbu2ss_udc *udc) > > > int result = 0; > > > u32 wValue = le16_to_cpu(udc->ctrl.wValue); > > > > > > - if ((udc->ctrl.bRequestType != 0x00) || > > > - (udc->ctrl.wIndex != 0x0000) || > > > - (udc->ctrl.wLength != 0x0000)) { > > > + if (udc->ctrl.bRequestType != 0x00 || > > > + udc->ctrl.wIndex != 0x0000 || > > > + udc->ctrl.wLength != 0x0000) { > > > return -EINVAL; > > > } > > > > > > @@ -1564,9 +1564,9 @@ static int std_req_set_configuration(struct nbu2ss_udc *udc) > > > { > > > u32 config_value = (u32)(le16_to_cpu(udc->ctrl.wValue) & 0x00ff); > > > > > > - if ((udc->ctrl.wIndex != 0x0000) || > > > - (udc->ctrl.wLength != 0x0000) || > > > - (udc->ctrl.bRequestType != 0x00)) { > > > + if (udc->ctrl.wIndex != 0x0000 || > > > + udc->ctrl.wLength != 0x0000 || > > > + udc->ctrl.bRequestType != 0x00) { > > > return -EINVAL; > > > } > > > > > > @@ -1838,8 +1838,8 @@ static void _nbu2ss_ep_done(struct nbu2ss_ep *ep, > > > } > > > > > > #ifdef USE_DMA > > > - if ((ep->direct == USB_DIR_OUT) && (ep->epnum > 0) && > > > - (req->req.dma != 0)) > > > + if (ep->direct == USB_DIR_OUT && ep->epnum > 0 && > > > + req->req.dma != 0) > > > _nbu2ss_dma_unmap_single(udc, ep, req, USB_DIR_OUT); > > > #endif > > > > > > @@ -1931,7 +1931,7 @@ static inline void _nbu2ss_epn_in_dma_int(struct nbu2ss_udc *udc, > > > mpkt = ep->ep.maxpacket; > > > size = preq->actual % mpkt; > > > if (size > 0) { > > > - if (((preq->actual & 0x03) == 0) && (size < mpkt)) > > > + if ((preq->actual & 0x03) == 0 && size < mpkt) > > > _nbu2ss_ep_in_end(udc, ep->epnum, 0, 0); > > > } else { > > > _nbu2ss_epn_in_int(udc, ep, req); > > > @@ -2428,8 +2428,8 @@ static int nbu2ss_ep_enable(struct usb_ep *_ep, > > > } > > > > > > ep_type = usb_endpoint_type(desc); > > > - if ((ep_type == USB_ENDPOINT_XFER_CONTROL) || > > > - (ep_type == USB_ENDPOINT_XFER_ISOC)) { > > > + if (ep_type == USB_ENDPOINT_XFER_CONTROL || > > > + ep_type == USB_ENDPOINT_XFER_ISOC) { > > > pr_err(" *** %s, bat bmAttributes\n", __func__); > > > return -EINVAL; > > > } > > > @@ -2438,7 +2438,7 @@ static int nbu2ss_ep_enable(struct usb_ep *_ep, > > > if (udc->vbus_active == 0) > > > return -ESHUTDOWN; > > > > > > - if ((!udc->driver) || (udc->gadget.speed == USB_SPEED_UNKNOWN)) { > > > + if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN) { > > > dev_err(ep->udc->dev, " *** %s, udc !!\n", __func__); > > > return -ESHUTDOWN; > > > } > > > @@ -2603,8 +2603,8 @@ static int nbu2ss_ep_queue(struct usb_ep *_ep, > > > } > > > } > > > > > > - if ((ep->epnum > 0) && (ep->direct == USB_DIR_OUT) && > > > - (req->req.dma != 0)) > > > + if (ep->epnum > 0 && ep->direct == USB_DIR_OUT && > > > + req->req.dma != 0) > > > _nbu2ss_dma_map_single(udc, ep, req, USB_DIR_OUT); > > > #endif > > > > > > -- > > > 2.34.1 > > > > > > > > > >