github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-27 17:47:41 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

mtd: spinand: winbond: Create a helper to write the HS bit

Browse Source 
Updating the HS bit is not complex but implies reading, setting/clearing
a bit and writing. Clean a bit this section by moving this logic in its
own helper.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
This commit is contained in:
Miquel Raynal 2026-03-25 15:01:40 +01:00
parent 5e85bff62b
commit 240e65cb44
1 changed files with 18 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
drivers/mtd/nand/spi/winbond.c
View File

@ -404,13 +404,28 @@ static int w25w35nxxjw_ecc_get_status(struct spinand_device *spinand, u8 status)
return -EINVAL;
}
static int w25n0xjw_set_sr4_hs(struct spinand_device *spinand, bool enable)
{
int ret;
u8 sr4;
ret = spinand_read_reg_op(spinand, W25N0XJW_SR4, &sr4);
if (ret)
return ret;
if (enable)
sr4 |= W25N0XJW_SR4_HS;
else
sr4 &= ~W25N0XJW_SR4_HS;
return spinand_write_reg_op(spinand, W25N0XJW_SR4, sr4);
}
static int w25n0xjw_hs_cfg(struct spinand_device *spinand,
enum spinand_bus_interface iface)
{
const struct spi_mem_op *op;
bool hs;
u8 sr4;
int ret;
if (iface != SSDR)
return -EOPNOTSUPP;
@ -429,20 +444,7 @@ static int w25n0xjw_hs_cfg(struct spinand_device *spinand,
else
hs = true;
ret = spinand_read_reg_op(spinand, W25N0XJW_SR4, &sr4);
if (ret)
return ret;
if (hs)
sr4 |= W25N0XJW_SR4_HS;
else
sr4 &= ~W25N0XJW_SR4_HS;
ret = spinand_write_reg_op(spinand, W25N0XJW_SR4, sr4);
if (ret)
return ret;
return 0;
return w25n0xjw_set_sr4_hs(spinand, hs);
}
static int w35n0xjw_write_vcr(struct spinand_device *spinand, u8 reg, u8 val)