[PATCH 8/8] spi: mtk_snor: Remove status register write procedure in probe()

[David Lechner]

From: Meiker Gao <ot_meiker.gao at mediatek.com>

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 <ot_meiker.gao at mediatek.com>
Signed-off-by: David Lechner <dlechner at baylibre.com>
---
 drivers/spi/mtk_snor.c | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/drivers/spi/mtk_snor.c b/drivers/spi/mtk_snor.c
index 21ac115e3c3..3b9eac383ab 100644
--- a/drivers/spi/mtk_snor.c
+++ b/drivers/spi/mtk_snor.c
@@ -567,19 +567,6 @@ 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;
 }
 

-- 
2.43.0