linux-kernel - [PATCH 06/10] spi-nor: intel-spi: Remove 'Atomic Cycle Sequence' in intel_spi

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Message-Id: <1504252841-2445-7-git-send-email-bmeng.cn@gmail.com>
Date:   Fri,  1 Sep 2017 01:00:37 -0700
From:   Bin Meng <bmeng.cn@...il.com>
To:     Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Cyrille Pitchen <cyrille.pitchen@...ev4u.fr>,
        Marek Vasut <marek.vasut@...il.com>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Brian Norris <computersforpeace@...il.com>,
        Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>,
        linux-mtd <linux-mtd@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Cc:     Stefan Roese <sr@...x.de>
Subject: [PATCH 06/10] spi-nor: intel-spi: Remove 'Atomic Cycle Sequence' in intel_spi_write()

So far intel_spi_write() uses the HW sequencer to do the write. But
the HW sequencer register HSFSTS_CTL does not have such a field for
'Atomic Cycle Sequence', remove it.

Signed-off-by: Bin Meng <bmeng.cn@...il.com>
---

 drivers/mtd/spi-nor/intel-spi.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/mtd/spi-nor/intel-spi.c b/drivers/mtd/spi-nor/intel-spi.c
index d0237fe..757b9f1 100644
--- a/drivers/mtd/spi-nor/intel-spi.c
+++ b/drivers/mtd/spi-nor/intel-spi.c
@@ -572,11 +572,6 @@ static ssize_t intel_spi_write(struct spi_nor *nor, loff_t to, size_t len,
 		val |= HSFSTS_CTL_AEL | HSFSTS_CTL_FCERR | HSFSTS_CTL_FDONE;
 		val |= (block_size - 1) << HSFSTS_CTL_FDBC_SHIFT;
 		val |= HSFSTS_CTL_FCYCLE_WRITE;
-
-		/* Write enable */
-		if (ispi->preopcodes[1] == SPINOR_OP_WREN)
-			val |= SSFSTS_CTL_SPOP;
-		val |= SSFSTS_CTL_ACS;
 		writel(val, ispi->base + HSFSTS_CTL);
 
 		ret = intel_spi_write_block(ispi, write_buf, block_size);
-- 
2.9.2