Commit b551fa30 authored by Miquel Raynal's avatar Miquel Raynal
Browse files

mtd: nand: ecc-hamming: Cleanup and style fixes 



Various style fixes.

There is not functional change.

Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200929230124.31491-15-miquel.raynal@bootlin.com
parent c50e7f3c

drivers/mtd/nand/ecc-sw-hamming.c

+12 −14
Original line number Diff line number Diff line
@@ -115,19 +115,18 @@ static const char addressbits[256] = { 
void __nand_calculate_ecc(const unsigned char *buf, unsigned int eccsize,

			  unsigned char *code, bool sm_order)

{

	const u32 *bp = (uint32_t *)buf;

	const u32 eccsize_mult = eccsize >> 8;

	/* current value in buffer */

	u32 cur;

	/* rp0..rp17 are the various accumulated parities (per byte) */

	u32 rp0, rp1, rp2, rp3, rp4, rp5, rp6, rp7, rp8, rp9, rp10, rp11, rp12,

		rp13, rp14, rp15, rp16, rp17;

	/* Cumulative parity for all data */

	u32 par;

	/* Cumulative parity at the end of the loop (rp12, rp14, rp16) */

	u32 tmppar;

	int i;

	const uint32_t *bp = (uint32_t *)buf;

	/* 256 or 512 bytes/ecc  */

	const uint32_t eccsize_mult = eccsize >> 8;

	uint32_t cur;		/* current value in buffer */

	/* rp0..rp15..rp17 are the various accumulated parities (per byte) */

	uint32_t rp0, rp1, rp2, rp3, rp4, rp5, rp6, rp7;

	uint32_t rp8, rp9, rp10, rp11, rp12, rp13, rp14, rp15, rp16;

	uint32_t rp17;

	uint32_t par;		/* the cumulative parity for all data */

	uint32_t tmppar;	/* the cumulative parity for this iteration;

				   for rp12, rp14 and rp16 at the end of the

				   loop */



	par = 0;

	rp4 = 0;
@@ -372,10 +371,9 @@ int __nand_correct_data(unsigned char *buf, 
			unsigned char *read_ecc, unsigned char *calc_ecc,

			unsigned int eccsize, bool sm_order)

{

	const u32 eccsize_mult = eccsize >> 8;

	unsigned char b0, b1, b2, bit_addr;

	unsigned int byte_addr;

	/* 256 or 512 bytes/ecc  */

	const uint32_t eccsize_mult = eccsize >> 8;



	/*

	 * b0 to b2 indicate which bit is faulty (if any)