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cae808946a
Add patches and config for 4.14, refreshed from 4.9. Signed-off-by: Matti Laakso <matti.laakso@outlook.com>
28 lines
1008 B
Diff
28 lines
1008 B
Diff
From 145f5369510b86cd55c659388a26a0cc267f8874 Mon Sep 17 00:00:00 2001
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From: Ionela Voinescu <ionela.voinescu@imgtec.com>
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Date: Mon, 1 Feb 2016 10:58:08 +0000
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Subject: spi: img-spfi: set device select bits for SPFI port state
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Even if the chip select line is not controlled by the SPFI
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hardware, the device select bits need to be set to specify
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the chip select line in use for the hardware to know what
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parameters to use for the current transfer.
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Signed-off-by: Ionela Voinescu <ionela.voinescu@imgtec.com>
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---
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drivers/spi/spi-img-spfi.c | 3 +++
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1 file changed, 3 insertions(+)
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--- a/drivers/spi/spi-img-spfi.c
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+++ b/drivers/spi/spi-img-spfi.c
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@@ -438,6 +438,9 @@ static int img_spfi_prepare(struct spi_m
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u32 val;
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val = spfi_readl(spfi, SPFI_PORT_STATE);
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+ val &= ~(SPFI_PORT_STATE_DEV_SEL_MASK <<
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+ SPFI_PORT_STATE_DEV_SEL_SHIFT);
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+ val |= msg->spi->chip_select << SPFI_PORT_STATE_DEV_SEL_SHIFT;
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if (msg->spi->mode & SPI_CPHA)
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val |= SPFI_PORT_STATE_CK_PHASE(msg->spi->chip_select);
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else
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