From 5a012f67cbcb202bf9bbde143e0fc927fcae971b Mon Sep 17 00:00:00 2001 From: =?utf8?q?Alexis=20Lothor=C3=A9?= Date: Wed, 10 May 2017 19:39:44 +0200 Subject: [PATCH] staging: emxx_udc: Update local variable names MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Ensure that any any local variable use snake_case (many mixed upper/lower case) Signed-off-by: Alexis Lothoré Signed-off-by: Greg Kroah-Hartman --- drivers/staging/emxx_udc/emxx_udc.c | 248 ++++++++++++++-------------- 1 file changed, 124 insertions(+), 124 deletions(-) diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c index 2d68dde89323..0e2392371e0e 100644 --- a/drivers/staging/emxx_udc/emxx_udc.c +++ b/drivers/staging/emxx_udc/emxx_udc.c @@ -577,18 +577,18 @@ static int ep0_out_pio(struct nbu2ss_udc *udc, u8 *buf, u32 length) static int ep0_out_overbytes(struct nbu2ss_udc *udc, u8 *pBuf, u32 length) { u32 i; - u32 iReadSize = 0; - union usb_reg_access Temp32; - union usb_reg_access *pBuf32 = (union usb_reg_access *)pBuf; + u32 i_read_size = 0; + union usb_reg_access temp_32; + union usb_reg_access *p_buf_32 = (union usb_reg_access *)pBuf; if ((length > 0) && (length < sizeof(u32))) { - Temp32.dw = _nbu2ss_readl(&udc->p_regs->EP0_READ); + temp_32.dw = _nbu2ss_readl(&udc->p_regs->EP0_READ); for (i = 0 ; i < length ; i++) - pBuf32->byte.DATA[i] = Temp32.byte.DATA[i]; - iReadSize += length; + p_buf_32->byte.DATA[i] = temp_32.byte.DATA[i]; + i_read_size += length; } - return iReadSize; + return i_read_size; } /*-------------------------------------------------------------------------*/ @@ -596,43 +596,43 @@ static int ep0_out_overbytes(struct nbu2ss_udc *udc, u8 *pBuf, u32 length) static int EP0_in_PIO(struct nbu2ss_udc *udc, u8 *pBuf, u32 length) { u32 i; - u32 iMaxLength = EP0_PACKETSIZE; - u32 iWordLength = 0; - u32 iWriteLength = 0; - union usb_reg_access *pBuf32 = (union usb_reg_access *)pBuf; + u32 i_max_length = EP0_PACKETSIZE; + u32 i_word_length = 0; + u32 i_write_length = 0; + union usb_reg_access *p_buf_32 = (union usb_reg_access *)pBuf; /*------------------------------------------------------------*/ /* Transfer Length */ - if (iMaxLength < length) - iWordLength = iMaxLength / sizeof(u32); + if (i_max_length < length) + i_word_length = i_max_length / sizeof(u32); else - iWordLength = length / sizeof(u32); + i_word_length = length / sizeof(u32); /*------------------------------------------------------------*/ /* PIO */ - for (i = 0; i < iWordLength; i++) { - _nbu2ss_writel(&udc->p_regs->EP0_WRITE, pBuf32->dw); - pBuf32++; - iWriteLength += sizeof(u32); + for (i = 0; i < i_word_length; i++) { + _nbu2ss_writel(&udc->p_regs->EP0_WRITE, p_buf_32->dw); + p_buf_32++; + i_write_length += sizeof(u32); } - return iWriteLength; + return i_write_length; } /*-------------------------------------------------------------------------*/ /* Endpoint 0 IN Transfer (PIO, OverBytes) */ -static int ep0_in_overbytes(struct nbu2ss_udc *udc, u8 *pBuf, u32 iRemainSize) +static int ep0_in_overbytes(struct nbu2ss_udc *udc, u8 *pBuf, u32 i_remain_size) { u32 i; - union usb_reg_access Temp32; - union usb_reg_access *pBuf32 = (union usb_reg_access *)pBuf; + union usb_reg_access temp_32; + union usb_reg_access *p_buf_32 = (union usb_reg_access *)pBuf; - if ((iRemainSize > 0) && (iRemainSize < sizeof(u32))) { - for (i = 0 ; i < iRemainSize ; i++) - Temp32.byte.DATA[i] = pBuf32->byte.DATA[i]; - _nbu2ss_ep_in_end(udc, 0, Temp32.dw, iRemainSize); + 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); - return iRemainSize; + return i_remain_size; } return 0; @@ -680,9 +680,9 @@ static int _nbu2ss_ep0_in_transfer( struct nbu2ss_req *req ) { - u8 *pBuffer; /* IN Data Buffer */ + u8 *p_buffer; /* IN Data Buffer */ u32 data; - u32 iRemainSize = 0; + u32 i_remain_size = 0; int result = 0; /*-------------------------------------------------------------*/ @@ -706,25 +706,25 @@ static int _nbu2ss_ep0_in_transfer( data &= ~(u32)EP0_INAK; _nbu2ss_writel(&udc->p_regs->EP0_CONTROL, data); - iRemainSize = req->req.length - req->req.actual; - pBuffer = (u8 *)req->req.buf; - pBuffer += req->req.actual; + i_remain_size = req->req.length - req->req.actual; + p_buffer = (u8 *)req->req.buf; + p_buffer += req->req.actual; /*-------------------------------------------------------------*/ /* Data transfer */ - result = EP0_in_PIO(udc, pBuffer, iRemainSize); + result = EP0_in_PIO(udc, p_buffer, i_remain_size); req->div_len = result; - iRemainSize -= result; + i_remain_size -= result; - if (iRemainSize == 0) { + if (i_remain_size == 0) { EP0_send_NULL(udc, FALSE); return result; } - if ((iRemainSize < sizeof(u32)) && (result != EP0_PACKETSIZE)) { - pBuffer += result; - result += ep0_in_overbytes(udc, pBuffer, iRemainSize); + 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; } @@ -737,40 +737,40 @@ static int _nbu2ss_ep0_out_transfer( struct nbu2ss_req *req ) { - u8 *pBuffer; - u32 iRemainSize; - u32 iRecvLength; + u8 *p_buffer; + u32 i_remain_size; + u32 i_recv_length; int result = 0; - int fRcvZero; + int f_rcv_zero; /*-------------------------------------------------------------*/ /* Receive data confirmation */ - iRecvLength = _nbu2ss_readl(&udc->p_regs->EP0_LENGTH) & EP0_LDATA; - if (iRecvLength != 0) { - fRcvZero = 0; + i_recv_length = _nbu2ss_readl(&udc->p_regs->EP0_LENGTH) & EP0_LDATA; + if (i_recv_length != 0) { + f_rcv_zero = 0; - iRemainSize = req->req.length - req->req.actual; - pBuffer = (u8 *)req->req.buf; - pBuffer += req->req.actual; + i_remain_size = req->req.length - req->req.actual; + p_buffer = (u8 *)req->req.buf; + p_buffer += req->req.actual; - result = ep0_out_pio(udc, pBuffer - , min(iRemainSize, iRecvLength)); + result = ep0_out_pio(udc, p_buffer + , min(i_remain_size, i_recv_length)); if (result < 0) return result; req->req.actual += result; - iRecvLength -= result; + i_recv_length -= result; - if ((iRecvLength > 0) && (iRecvLength < sizeof(u32))) { - pBuffer += result; - iRemainSize -= result; + if ((i_recv_length > 0) && (i_recv_length < sizeof(u32))) { + p_buffer += result; + i_remain_size -= result; - result = ep0_out_overbytes(udc, pBuffer - , min(iRemainSize, iRecvLength)); + result = ep0_out_overbytes(udc, p_buffer + , min(i_remain_size, i_recv_length)); req->req.actual += result; } } else { - fRcvZero = 1; + f_rcv_zero = 1; } /*-------------------------------------------------------------*/ @@ -795,9 +795,9 @@ static int _nbu2ss_ep0_out_transfer( return -EOVERFLOW; } - if (fRcvZero != 0) { - iRemainSize = _nbu2ss_readl(&udc->p_regs->EP0_CONTROL); - if (iRemainSize & EP0_ONAK) { + if (f_rcv_zero != 0) { + i_remain_size = _nbu2ss_readl(&udc->p_regs->EP0_CONTROL); + if (i_remain_size & EP0_ONAK) { /*---------------------------------------------------*/ /* NACK release */ _nbu2ss_bitclr(&udc->p_regs->EP0_CONTROL, EP0_ONAK); @@ -816,7 +816,7 @@ static int _nbu2ss_out_dma( u32 length ) { - dma_addr_t pBuffer; + dma_addr_t p_buffer; u32 mpkt; u32 lmpkt; u32 dmacnt; @@ -829,11 +829,11 @@ static int _nbu2ss_out_dma( return 1; /* DMA is forwarded */ req->dma_flag = TRUE; - pBuffer = req->req.dma; - pBuffer += req->req.actual; + p_buffer = req->req.dma; + p_buffer += req->req.actual; /* DMA Address */ - _nbu2ss_writel(&preg->EP_DCR[num].EP_TADR, (u32)pBuffer); + _nbu2ss_writel(&preg->EP_DCR[num].EP_TADR, (u32)p_buffer); /* Number of transfer packets */ mpkt = _nbu2ss_readl(&preg->EP_REGS[num].EP_PCKT_ADRS) & EPN_MPKT; @@ -879,12 +879,12 @@ static int _nbu2ss_epn_out_pio( u32 length ) { - u8 *pBuffer; + u8 *p_buffer; u32 i; u32 data; - u32 iWordLength; - union usb_reg_access Temp32; - union usb_reg_access *pBuf32; + u32 i_word_length; + union usb_reg_access temp_32; + union usb_reg_access *p_buf_32; int result = 0; struct fc_regs *preg = udc->p_regs; @@ -894,28 +894,28 @@ static int _nbu2ss_epn_out_pio( if (length == 0) return 0; - pBuffer = (u8 *)req->req.buf; - pBuf32 = (union usb_reg_access *)(pBuffer + req->req.actual); + p_buffer = (u8 *)req->req.buf; + p_buf_32 = (union usb_reg_access *)(p_buffer + req->req.actual); - iWordLength = length / sizeof(u32); - if (iWordLength > 0) { + i_word_length = length / sizeof(u32); + if (i_word_length > 0) { /*---------------------------------------------------------*/ /* Copy of every four bytes */ - for (i = 0; i < iWordLength; i++) { - pBuf32->dw = + for (i = 0; i < i_word_length; i++) { + p_buf_32->dw = _nbu2ss_readl(&preg->EP_REGS[ep->epnum - 1].EP_READ); - pBuf32++; + p_buf_32++; } - result = iWordLength * sizeof(u32); + result = i_word_length * sizeof(u32); } data = length - result; if (data > 0) { /*---------------------------------------------------------*/ /* Copy of fraction byte */ - Temp32.dw = _nbu2ss_readl(&preg->EP_REGS[ep->epnum - 1].EP_READ); + temp_32.dw = _nbu2ss_readl(&preg->EP_REGS[ep->epnum - 1].EP_READ); for (i = 0 ; i < data ; i++) - pBuf32->byte.DATA[i] = Temp32.byte.DATA[i]; + p_buf_32->byte.DATA[i] = temp_32.byte.DATA[i]; result += data; } @@ -938,7 +938,7 @@ static int _nbu2ss_epn_out_data( ) { u32 num; - u32 iBufSize; + u32 i_buf_size; int nret = 1; if (ep->epnum == 0) @@ -946,14 +946,14 @@ static int _nbu2ss_epn_out_data( num = ep->epnum - 1; - iBufSize = min((req->req.length - req->req.actual), data_size); + i_buf_size = min((req->req.length - req->req.actual), data_size); if ((ep->ep_type != USB_ENDPOINT_XFER_INT) && (req->req.dma != 0) && - (iBufSize >= sizeof(u32))) { - nret = _nbu2ss_out_dma(udc, req, num, iBufSize); + (i_buf_size >= sizeof(u32))) { + nret = _nbu2ss_out_dma(udc, req, num, i_buf_size); } else { - iBufSize = min_t(u32, iBufSize, ep->ep.maxpacket); - nret = _nbu2ss_epn_out_pio(udc, ep, req, iBufSize); + i_buf_size = min_t(u32, i_buf_size, ep->ep.maxpacket); + nret = _nbu2ss_epn_out_pio(udc, ep, req, i_buf_size); } return nret; @@ -967,7 +967,7 @@ static int _nbu2ss_epn_out_transfer( ) { u32 num; - u32 iRecvLength; + u32 i_recv_length; int result = 1; struct fc_regs *preg = udc->p_regs; @@ -978,13 +978,13 @@ static int _nbu2ss_epn_out_transfer( /*-------------------------------------------------------------*/ /* Receive Length */ - iRecvLength + i_recv_length = _nbu2ss_readl(&preg->EP_REGS[num].EP_LEN_DCNT) & EPN_LDATA; - if (iRecvLength != 0) { - result = _nbu2ss_epn_out_data(udc, ep, req, iRecvLength); - if (iRecvLength < ep->ep.maxpacket) { - if (iRecvLength == result) { + if (i_recv_length != 0) { + result = _nbu2ss_epn_out_data(udc, ep, req, i_recv_length); + if (i_recv_length < ep->ep.maxpacket) { + if (i_recv_length == result) { req->req.actual += result; result = 0; } @@ -1024,11 +1024,11 @@ static int _nbu2ss_in_dma( u32 length ) { - dma_addr_t pBuffer; + dma_addr_t p_buffer; u32 mpkt; /* MaxPacketSize */ u32 lmpkt; /* Last Packet Data Size */ u32 dmacnt; /* IN Data Size */ - u32 iWriteLength; + u32 i_write_length; u32 data; int result = -EINVAL; struct fc_regs *preg = udc->p_regs; @@ -1046,15 +1046,15 @@ static int _nbu2ss_in_dma( mpkt = _nbu2ss_readl(&preg->EP_REGS[num].EP_PCKT_ADRS) & EPN_MPKT; if ((DMA_MAX_COUNT * mpkt) < length) - iWriteLength = DMA_MAX_COUNT * mpkt; + i_write_length = DMA_MAX_COUNT * mpkt; else - iWriteLength = length; + i_write_length = length; /*------------------------------------------------------------*/ /* Number of transmission packets */ - if (mpkt < iWriteLength) { - dmacnt = iWriteLength / mpkt; - lmpkt = (iWriteLength % mpkt) & ~(u32)0x3; + if (mpkt < i_write_length) { + dmacnt = i_write_length / mpkt; + lmpkt = (i_write_length % mpkt) & ~(u32)0x3; if (lmpkt != 0) dmacnt++; else @@ -1062,7 +1062,7 @@ static int _nbu2ss_in_dma( } else { dmacnt = 1; - lmpkt = iWriteLength & ~(u32)0x3; + lmpkt = i_write_length & ~(u32)0x3; } /* Packet setting */ @@ -1070,9 +1070,9 @@ static int _nbu2ss_in_dma( _nbu2ss_writel(&preg->EP_DCR[num].EP_DCR2, data); /* Address setting */ - pBuffer = req->req.dma; - pBuffer += req->req.actual; - _nbu2ss_writel(&preg->EP_DCR[num].EP_TADR, (u32)pBuffer); + p_buffer = req->req.dma; + p_buffer += req->req.actual; + _nbu2ss_writel(&preg->EP_DCR[num].EP_TADR, (u32)p_buffer); /* Packet and DMA setting */ data = ((dmacnt & 0xff) << 16) | DCR1_EPN_REQEN; @@ -1085,7 +1085,7 @@ static int _nbu2ss_in_dma( /*DMA setting of EPC */ _nbu2ss_bitset(&preg->EP_REGS[num].EP_DMA_CTRL, EPN_DMA_EN); - result = iWriteLength & ~(u32)0x3; + result = i_write_length & ~(u32)0x3; req->div_len = result; return result; @@ -1099,12 +1099,12 @@ static int _nbu2ss_epn_in_pio( u32 length ) { - u8 *pBuffer; + u8 *p_buffer; u32 i; u32 data; - u32 iWordLength; - union usb_reg_access Temp32; - union usb_reg_access *pBuf32 = NULL; + u32 i_word_length; + union usb_reg_access temp_32; + union usb_reg_access *p_buf_32 = NULL; int result = 0; struct fc_regs *preg = udc->p_regs; @@ -1112,30 +1112,30 @@ static int _nbu2ss_epn_in_pio( return 1; /* DMA is forwarded */ if (length > 0) { - pBuffer = (u8 *)req->req.buf; - pBuf32 = (union usb_reg_access *)(pBuffer + req->req.actual); + p_buffer = (u8 *)req->req.buf; + p_buf_32 = (union usb_reg_access *)(p_buffer + req->req.actual); - iWordLength = length / sizeof(u32); - if (iWordLength > 0) { - for (i = 0; i < iWordLength; i++) { + i_word_length = length / sizeof(u32); + if (i_word_length > 0) { + for (i = 0; i < i_word_length; i++) { _nbu2ss_writel( &preg->EP_REGS[ep->epnum - 1].EP_WRITE - , pBuf32->dw + , p_buf_32->dw ); - pBuf32++; + p_buf_32++; } - result = iWordLength * sizeof(u32); + result = i_word_length * sizeof(u32); } } if (result != ep->ep.maxpacket) { data = length - result; - Temp32.dw = 0; + temp_32.dw = 0; for (i = 0 ; i < data ; i++) - Temp32.byte.DATA[i] = pBuf32->byte.DATA[i]; + temp_32.byte.DATA[i] = p_buf_32->byte.DATA[i]; - _nbu2ss_ep_in_end(udc, ep->epnum, Temp32.dw, data); + _nbu2ss_ep_in_end(udc, ep->epnum, temp_32.dw, data); result += data; } @@ -1179,7 +1179,7 @@ static int _nbu2ss_epn_in_transfer( ) { u32 num; - u32 iBufSize; + u32 i_buf_size; int result = 0; u32 status; @@ -1203,9 +1203,9 @@ static int _nbu2ss_epn_in_transfer( /*-------------------------------------------------------------*/ /* Start transfer */ - iBufSize = req->req.length - req->req.actual; - if (iBufSize > 0) - result = _nbu2ss_epn_in_data(udc, ep, req, iBufSize); + i_buf_size = req->req.length - req->req.actual; + if (i_buf_size > 0) + result = _nbu2ss_epn_in_data(udc, ep, req, i_buf_size); else if (req->req.length == 0) _nbu2ss_zero_len_pkt(udc, ep->epnum); @@ -1652,7 +1652,7 @@ static int std_req_set_address(struct nbu2ss_udc *udc) /*-------------------------------------------------------------------------*/ static int std_req_set_configuration(struct nbu2ss_udc *udc) { - u32 ConfigValue = (u32)(udc->ctrl.wValue & 0x00ff); + u32 config_value = (u32)(udc->ctrl.wValue & 0x00ff); if ((udc->ctrl.wIndex != 0x0000) || (udc->ctrl.wLength != 0x0000) || @@ -1660,9 +1660,9 @@ static int std_req_set_configuration(struct nbu2ss_udc *udc) return -EINVAL; } - udc->curr_config = ConfigValue; + udc->curr_config = config_value; - if (ConfigValue > 0) { + if (config_value > 0) { _nbu2ss_bitset(&udc->p_regs->USB_CONTROL, CONF); udc->devstate = USB_STATE_CONFIGURED; -- 2.39.2