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mtd: rawnand: sunxi: Remove superfluous register readings

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The register NFC_REG_ECC_CTL was read twice and the result was not used,
then a third time with a mask applied.
Removing those calls didn't change the behavior.

Tested on H616 SoC, scrambling enabled.

Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Richard Genoud <richard.genoud@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
This commit is contained in:
Richard Genoud 2025-10-28 08:34:55 +01:00 committed by Miquel Raynal
parent 7c99743a0b
commit deaa77ed66
1 changed files with 1 additions and 2 deletions
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3
drivers/mtd/nand/raw/sunxi_nand.c
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@ -623,13 +623,12 @@ static void sunxi_nfc_randomizer_config(struct nand_chip *nand, int page,
bool ecc)
{
struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller);
u32 ecc_ctl = readl(nfc->regs + NFC_REG_ECC_CTL);
u32 ecc_ctl;
u16 state;
if (!(nand->options & NAND_NEED_SCRAMBLING))
return;
ecc_ctl = readl(nfc->regs + NFC_REG_ECC_CTL);
state = sunxi_nfc_randomizer_state(nand, page, ecc);
ecc_ctl = readl(nfc->regs + NFC_REG_ECC_CTL) & ~NFC_RANDOM_SEED_MSK;
writel(ecc_ctl | NFC_RANDOM_SEED(state), nfc->regs + NFC_REG_ECC_CTL);