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Message-ID: <ZS0f+xaaLmLpKv2a@gilbert-PC>
Date: Mon, 16 Oct 2023 12:35:23 +0100
From: Gilbert Adikankwu <gilbertadikankwu@...il.com>
To: outreachy@...ts.linux.dev, gregkh@...uxfoundation.org
Cc: linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: emxx_udc: Remove unnecessary parentheses around
condition tests
Fix 47 warnings detected by checkpatch.pl about unnecessary parenthesis
around condition tests.
Signed-off-by: Gilbert Adikankwu <gilbertadikankwu@...il.com>
---
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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