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Code Issues Releases Wiki Activity

staging: ft1000: Fix coding style in ft1000_receive_cmd function.

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Signed-off-by: Marek Belisko <marek.belisko@open-nandra.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Marek Belisko 2011-03-10 11:51:33 +01:00 committed by Greg Kroah-Hartman
parent 53cd3aa619
commit 8b2dab1cf8
1 changed files with 61 additions and 47 deletions
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108
drivers/staging/ft1000/ft1000-usb/ft1000_hw.c
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@ -1373,56 +1373,70 @@ static int ft1000_chkcard(struct ft1000_device *dev)
// = 1 (successful)
//
//---------------------------------------------------------------------------
static bool ft1000_receive_cmd (struct ft1000_device *dev, u16 *pbuffer, int maxsz, u16 *pnxtph) {
u16 size, ret;
u16 *ppseudohdr;
int i;
u16 tempword;
static bool ft1000_receive_cmd(struct ft1000_device *dev, u16 *pbuffer,
int maxsz, u16 *pnxtph)
{
u16 size, ret;
u16 *ppseudohdr;
int i;
u16 tempword;
ret = ft1000_read_dpram16(dev, FT1000_MAG_PH_LEN, (u8 *)&size, FT1000_MAG_PH_LEN_INDX);
size = ntohs(size) + PSEUDOSZ;
if (size > maxsz) {
DEBUG("FT1000:ft1000_receive_cmd:Invalid command length = %d\n", size);
return FALSE;
}
else {
ppseudohdr = (u16 *)pbuffer;
ft1000_write_register(dev, FT1000_DPRAM_MAG_RX_BASE, FT1000_REG_DPRAM_ADDR);
ret = ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAH);
//DEBUG("ft1000_hw:received data = 0x%x\n", *pbuffer);
pbuffer++;
ft1000_write_register(dev, FT1000_DPRAM_MAG_RX_BASE+1, FT1000_REG_DPRAM_ADDR);
for (i=0; i<=(size>>2); i++) {
ret = ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAL);
pbuffer++;
ret = ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAH);
pbuffer++;
}
//copy odd aligned word
ret = ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAL);
//DEBUG("ft1000_hw:received data = 0x%x\n", *pbuffer);
pbuffer++;
ret = ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAH);
//DEBUG("ft1000_hw:received data = 0x%x\n", *pbuffer);
pbuffer++;
if (size & 0x0001) {
//copy odd byte from fifo
ret = ft1000_read_register(dev, &tempword, FT1000_REG_DPRAM_DATA);
*pbuffer = ntohs(tempword);
}
ret =
ft1000_read_dpram16(dev, FT1000_MAG_PH_LEN, (u8 *) &size,
FT1000_MAG_PH_LEN_INDX);
size = ntohs(size) + PSEUDOSZ;
if (size > maxsz) {
DEBUG("FT1000:ft1000_receive_cmd:Invalid command length = %d\n",
size);
return FALSE;
} else {
ppseudohdr = (u16 *) pbuffer;
ft1000_write_register(dev, FT1000_DPRAM_MAG_RX_BASE,
FT1000_REG_DPRAM_ADDR);
ret =
ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAH);
//DEBUG("ft1000_hw:received data = 0x%x\n", *pbuffer);
pbuffer++;
ft1000_write_register(dev, FT1000_DPRAM_MAG_RX_BASE + 1,
FT1000_REG_DPRAM_ADDR);
for (i = 0; i <= (size >> 2); i++) {
ret =
ft1000_read_register(dev, pbuffer,
FT1000_REG_MAG_DPDATAL);
pbuffer++;
ret =
ft1000_read_register(dev, pbuffer,
FT1000_REG_MAG_DPDATAH);
pbuffer++;
}
/* copy odd aligned word */
ret =
ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAL);
//DEBUG("ft1000_hw:received data = 0x%x\n", *pbuffer);
pbuffer++;
ret =
ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAH);
//DEBUG("ft1000_hw:received data = 0x%x\n", *pbuffer);
pbuffer++;
if (size & 0x0001) {
/* copy odd byte from fifo */
ret =
ft1000_read_register(dev, &tempword,
FT1000_REG_DPRAM_DATA);
*pbuffer = ntohs(tempword);
}
/* Check if pseudo header checksum is good
* Calculate pseudo header checksum
*/
tempword = *ppseudohdr++;
for (i = 1; i < 7; i++)
tempword ^= *ppseudohdr++;
// Check if pseudo header checksum is good
// Calculate pseudo header checksum
tempword = *ppseudohdr++;
for (i=1; i<7; i++) {
tempword ^= *ppseudohdr++;
}
if ( (tempword != *ppseudohdr) ) {
return FALSE;
}
if ((tempword != *ppseudohdr))
return FALSE;
return TRUE;
}
return TRUE;
}
}