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staging: emxx_udc: Remove unecessary temporary variable

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This improves code readability.

Signed-off-by: Afonso Bordado <afonsobordado@az8.co>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Afonso Bordado 2016-12-20 13:55:07 +00:00 committed by Greg Kroah-Hartman
parent 86e2ba1c45
commit 7e026bfabb
1 changed files with 7 additions and 9 deletions
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16
drivers/staging/emxx_udc/emxx_udc.c
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@ -556,21 +556,19 @@ static void _nbu2ss_dma_unmap_single(
static int ep0_out_pio(struct nbu2ss_udc *udc, u8 *pBuf, u32 length) static int ep0_out_pio(struct nbu2ss_udc *udc, u8 *pBuf, u32 length)
{ {
u32 i; u32 i;
int nret = 0;
u32 numreads = length / sizeof(u32); u32 numreads = length / sizeof(u32);
union usb_reg_access *pBuf32 = (union usb_reg_access *)pBuf; union usb_reg_access *pBuf32 = (union usb_reg_access *)pBuf;
/*------------------------------------------------------------*/ if (!numreads)
return 0;
/* PIO Read */ /* PIO Read */
if (numreads) { for (i = 0; i < numreads; i++) {
for (i = 0; i < numreads; i++) { pBuf32->dw = _nbu2ss_readl(&udc->p_regs->EP0_READ);
pBuf32->dw = _nbu2ss_readl(&udc->p_regs->EP0_READ); pBuf32++;
pBuf32++;
}
nret = numreads * sizeof(u32);
} }
return nret; return numreads * sizeof(u32);
} }
/*-------------------------------------------------------------------------*/ /*-------------------------------------------------------------------------*/