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authorMiquel Raynal <miquel.raynal@bootlin.com>2021-01-27 21:30:20 +0100
committerMiquel Raynal <miquel.raynal@bootlin.com>2021-03-11 09:37:28 +0100
commitbf3816d28f0778de0d3d00a2a65525e19e5dbad2 (patch)
treeee10321425d6b5b7e807bb02b6d46f5002b4357c /drivers/mtd/nand/ecc-sw-hamming.c
parent3e66843c74289b294b91547edd364c5a6fdef45b (diff)
downloadlwn-bf3816d28f0778de0d3d00a2a65525e19e5dbad2.tar.gz
lwn-bf3816d28f0778de0d3d00a2a65525e19e5dbad2.zip
mtd: nand: ecc-hamming: Use the public nsteps field
The software Hamming ECC engine stores the nsteps variable in its own private structure while it is also exported as a public ECC field. Let's get rid of the redundant private one and let's use the nand_ecc_context structure when possible. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Tested-by: Adam Ford <aford173@gmail.com> #logicpd Torpedo Link: https://lore.kernel.org/linux-mtd/20210127203020.9574-10-miquel.raynal@bootlin.com
Diffstat (limited to 'drivers/mtd/nand/ecc-sw-hamming.c')
-rw-r--r--drivers/mtd/nand/ecc-sw-hamming.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/mtd/nand/ecc-sw-hamming.c b/drivers/mtd/nand/ecc-sw-hamming.c
index 5144775e5a59..a7655b668f32 100644
--- a/drivers/mtd/nand/ecc-sw-hamming.c
+++ b/drivers/mtd/nand/ecc-sw-hamming.c
@@ -504,7 +504,6 @@ int nand_ecc_sw_hamming_init_ctx(struct nand_device *nand)
goto free_engine_conf;
engine_conf->code_size = 3;
- engine_conf->nsteps = mtd->writesize / conf->step_size;
engine_conf->calc_buf = kzalloc(mtd->oobsize, GFP_KERNEL);
engine_conf->code_buf = kzalloc(mtd->oobsize, GFP_KERNEL);
if (!engine_conf->calc_buf || !engine_conf->code_buf) {
@@ -514,7 +513,7 @@ int nand_ecc_sw_hamming_init_ctx(struct nand_device *nand)
nand->ecc.ctx.priv = engine_conf;
nand->ecc.ctx.nsteps = mtd->writesize / conf->step_size;
- nand->ecc.ctx.total = engine_conf->nsteps * engine_conf->code_size;
+ nand->ecc.ctx.total = nand->ecc.ctx.nsteps * engine_conf->code_size;
return 0;
@@ -549,7 +548,7 @@ static int nand_ecc_sw_hamming_prepare_io_req(struct nand_device *nand,
struct mtd_info *mtd = nanddev_to_mtd(nand);
int eccsize = nand->ecc.ctx.conf.step_size;
int eccbytes = engine_conf->code_size;
- int eccsteps = engine_conf->nsteps;
+ int eccsteps = nand->ecc.ctx.nsteps;
int total = nand->ecc.ctx.total;
u8 *ecccalc = engine_conf->calc_buf;
const u8 *data;
@@ -587,7 +586,7 @@ static int nand_ecc_sw_hamming_finish_io_req(struct nand_device *nand,
int eccsize = nand->ecc.ctx.conf.step_size;
int total = nand->ecc.ctx.total;
int eccbytes = engine_conf->code_size;
- int eccsteps = engine_conf->nsteps;
+ int eccsteps = nand->ecc.ctx.nsteps;
u8 *ecccalc = engine_conf->calc_buf;
u8 *ecccode = engine_conf->code_buf;
unsigned int max_bitflips = 0;
@@ -619,7 +618,7 @@ static int nand_ecc_sw_hamming_finish_io_req(struct nand_device *nand,
nand_ecc_sw_hamming_calculate(nand, data, &ecccalc[i]);
/* Finish a page read: compare and correct */
- for (eccsteps = engine_conf->nsteps, i = 0, data = req->databuf.in;
+ for (eccsteps = nand->ecc.ctx.nsteps, i = 0, data = req->databuf.in;
eccsteps;
eccsteps--, i += eccbytes, data += eccsize) {
int stat = nand_ecc_sw_hamming_correct(nand, data,