From: Bin Meng <bmeng.cn@gmail.com>
To: Mika Westerberg <mika.westerberg@linux.intel.com>,
Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>,
Marek Vasut <marek.vasut@gmail.com>,
Boris Brezillon <boris.brezillon@free-electrons.com>,
Brian Norris <computersforpeace@gmail.com>,
Richard Weinberger <richard@nod.at>,
David Woodhouse <dwmw2@infradead.org>,
linux-mtd <linux-mtd@lists.infradead.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Cc: Stefan Roese <sr@denx.de>
Subject: [PATCH v2 06/10] spi-nor: intel-spi: Remove 'Atomic Cycle Sequence' in intel_spi_write()
Date: Mon, 11 Sep 2017 02:41:56 -0700 [thread overview]
Message-ID: <1505122921-5534-7-git-send-email-bmeng.cn@gmail.com> (raw)
In-Reply-To: <1505122921-5534-1-git-send-email-bmeng.cn@gmail.com>
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@gmail.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
Changes in v2: None
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
next prev parent reply other threads:[~2017-09-11 9:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-11 9:41 [PATCH v2 00/10] spi-nor: intel-spi: Various fixes and enhancements Bin Meng
2017-09-11 9:41 ` [PATCH v2 01/10] spi-nor: intel-spi: Fix number of protected range registers for BYT/LPT Bin Meng
2017-09-11 9:41 ` [PATCH v2 02/10] spi-nor: intel-spi: Remove useless 'buf' parameter in the HW/SW cycle Bin Meng
2017-09-11 9:41 ` [PATCH v2 03/10] spi-nor: intel-spi: Fix broken software sequencing codes Bin Meng
2017-09-11 9:41 ` [PATCH v2 04/10] spi-nor: intel-spi: Check transfer length in the HW/SW cycle Bin Meng
2017-09-11 9:41 ` [PATCH v2 05/10] spi-nor: intel-spi: Use SW sequencer for BYT/LPT Bin Meng
2017-09-11 9:41 ` Bin Meng [this message]
2017-09-11 9:41 ` [PATCH v2 07/10] spi-nor: intel-spi: Don't assume OPMENU0/1 to be programmed by BIOS Bin Meng
2017-09-11 9:41 ` [PATCH v2 08/10] spi-nor: intel-spi: Remove the unnecessary HSFSTS register RW Bin Meng
2017-09-11 9:41 ` [PATCH v2 09/10] spi-nor: intel-spi: Rename swseq to swseq_reg in 'struct intel_spi' Bin Meng
2017-09-11 9:42 ` [PATCH v2 10/10] spi-nor: intel-spi: Fall back to use SW sequencer to erase Bin Meng
2017-09-11 17:44 ` [PATCH v2 00/10] spi-nor: intel-spi: Various fixes and enhancements Joakim Tjernlund
2017-09-13 2:11 ` Bin Meng
2017-09-13 9:47 ` mika.westerberg
2017-10-11 8:06 ` Cyrille Pitchen
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