From: Eddie James <eajames@linux.ibm.com>
To: linux-spi@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
eajames@linux.ibm.com, joel@jms.id.au,
bradleyb@fuzziesquirrel.com, broonie@kernel.org,
robh+dt@kernel.org, arnd@arndb.de
Subject: [PATCH 1/7] spi: fsi: Handle 9 to 15 byte transfers lengths
Date: Thu, 20 Aug 2020 12:02:22 -0500 [thread overview]
Message-ID: <20200820170228.42053-2-eajames@linux.ibm.com> (raw)
In-Reply-To: <20200820170228.42053-1-eajames@linux.ibm.com>
From: Brad Bishop <bradleyb@fuzziesquirrel.com>
The trailing <len> - 8 bytes of transfer data in this size range is no
longer ignored.
Fixes: bbb6b2f9865b ("spi: Add FSI-attached SPI controller driver")
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
---
drivers/spi/spi-fsi.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/spi/spi-fsi.c b/drivers/spi/spi-fsi.c
index 37a3e0f8e752..8f64af0140e0 100644
--- a/drivers/spi/spi-fsi.c
+++ b/drivers/spi/spi-fsi.c
@@ -258,15 +258,15 @@ static int fsi_spi_sequence_transfer(struct fsi_spi *ctx,
if (loops > 1) {
fsi_spi_sequence_add(seq, SPI_FSI_SEQUENCE_BRANCH(idx));
- if (rem)
- fsi_spi_sequence_add(seq, rem);
-
rc = fsi_spi_write_reg(ctx, SPI_FSI_COUNTER_CFG,
SPI_FSI_COUNTER_CFG_LOOPS(loops - 1));
if (rc)
return rc;
}
+ if (rem)
+ fsi_spi_sequence_add(seq, rem);
+
return 0;
}
--
2.26.2
next prev parent reply other threads:[~2020-08-20 17:03 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-20 17:02 [PATCH 0/7] spi: Fix FSI-attached controller and AT25 drivers Eddie James
2020-08-20 17:02 ` Eddie James [this message]
2020-08-20 17:02 ` [PATCH 2/7] spi: fsi: Fix clock running too fast Eddie James
2020-08-20 17:12 ` Mark Brown
2020-08-20 21:06 ` Eddie James
2020-08-25 7:10 ` Joel Stanley
2020-08-20 17:02 ` [PATCH 3/7] spi: fsi: Fix use of the bneq+ sequencer instruction Eddie James
2020-08-20 17:02 ` [PATCH 4/7] dt-bindings: fsi: fsi2spi: Document new restricted property Eddie James
2020-08-20 17:14 ` Mark Brown
2020-08-20 21:07 ` Eddie James
2020-08-21 12:03 ` Mark Brown
2020-09-08 20:44 ` Rob Herring
2020-08-20 17:02 ` [PATCH 5/7] spi: fsi: Implement restricted size for certain controllers Eddie James
2020-08-20 17:19 ` Mark Brown
2020-08-20 17:02 ` [PATCH 6/7] spi: fsi: Check mux status before transfers Eddie James
2020-08-20 17:02 ` [PATCH 7/7] eeprom: at25: Split reads into chunks and cap write size Eddie James
2020-08-20 17:20 ` Mark Brown
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