Re: your mail

From: Julia Lawall
Date: Mon Oct 16 2023 - 08:34:55 EST

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On Mon, 16 Oct 2023, Gilbert Adikankwu wrote:

> linux-staging@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
> Bcc:
> Subject: Re: [PATCH] staging: emxx_udc: Remove unnecessary parentheses around
> condition tests
> Reply-To:
> In-Reply-To: <6b60ed7-9d97-2071-44f8-83b173191ed@xxxxxxxx>
>
> 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 <gilbertadikankwu@xxxxxxxxx>
> > > ---
> > > 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
> > >
> > >
> > >
>

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