diff options
| author | Meiker Gao <[email protected]> | 2026-04-06 15:13:34 -0500 |
|---|---|---|
| committer | David Lechner <[email protected]> | 2026-04-28 13:16:32 -0500 |
| commit | 6c881e9980594a468e9f875187e5e4d30a22bcbd (patch) | |
| tree | a2ff0b6e19f08d2d5747f475eafa35b3bf8c3bcc /drivers | |
| parent | 28bd63967784d1dbeff75289560e71fd1deac902 (diff) | |
spi: mtk_snor: Remove status register write procedure in probe()
Remove status register write procedure in probe(). This is handled in
spi-nor-core by the SPI_NOR_HAS_LOCK flag.
Signed-off-by: Meiker Gao <[email protected]>
Reviewed-by: Julien Stephan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: David Lechner <[email protected]>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/mtk_snor.c | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/drivers/spi/mtk_snor.c b/drivers/spi/mtk_snor.c index 21ac115e3c3..40fc1826db6 100644 --- a/drivers/spi/mtk_snor.c +++ b/drivers/spi/mtk_snor.c @@ -527,7 +527,6 @@ static int mtk_snor_probe(struct udevice *bus) struct mtk_snor_priv *priv = dev_get_priv(bus); u8 *buffer; int ret; - u32 reg; priv->base = devfdt_get_addr_ptr(bus); if (!priv->base) @@ -567,19 +566,6 @@ static int mtk_snor_probe(struct udevice *bus) mtk_snor_rmw(priv, MTK_NOR_REG_CFG3, MTK_NOR_DISABLE_WREN | MTK_NOR_DISABLE_SR_POLL, 0); - /* - * Unlock all blocks using write status command. - * SPI-MEM hasn't implemented unlock procedure on MXIC devices. - * We may remove this later. - */ - writel(2 * BITS_PER_BYTE, priv->base + MTK_NOR_REG_PRG_CNT); - writel(MTK_NOR_UNLOCK_ALL, priv->base + MTK_NOR_REG_PRGDATA(5)); - writel(MTK_NOR_IRQ_WRSR, priv->base + MTK_NOR_REG_IRQ_EN); - writel(MTK_NOR_CMD_WRSR, priv->base + MTK_NOR_REG_CMD); - ret = readl_poll_timeout(priv->base + MTK_NOR_REG_IRQ_STAT, reg, - !(reg & MTK_NOR_IRQ_WRSR), - ((3 * BITS_PER_BYTE) + 1) * 200); - return 0; } |