The patch titled
orion_spi: handle 88F6183 erratum
has been added to the -mm tree. Its filename is
orion_spi-handle-88f6183-erratum.patch
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------------------------------------------------------
Subject: orion_spi: handle 88F6183 erratum
From: Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx>
Add support to orion_spi for the 88F6183 ARM SoC by adding code to work
around a 6183-specific erratum.
Signed-off-by: Lennert Buytenhek <buytenh@xxxxxxxxxxx>
Signed-off-by: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/spi/orion_spi.c | 5 +++++
include/linux/spi/orion_spi.h | 1 +
2 files changed, 6 insertions(+)
diff -puN drivers/spi/orion_spi.c~orion_spi-handle-88f6183-erratum drivers/spi/orion_spi.c
--- a/drivers/spi/orion_spi.c~orion_spi-handle-88f6183-erratum
+++ a/drivers/spi/orion_spi.c
@@ -364,6 +364,11 @@ static int orion_spi_setup(struct spi_de
return -EINVAL;
}
+ /* Fix ac timing if required. */
+ if (orion_spi->spi_info->enable_clock_fix)
+ orion_spi_setbits(orion_spi, ORION_SPI_IF_CONFIG_REG,
+ (1 << 14));
+
if (spi->bits_per_word == 0)
spi->bits_per_word = 8;
diff -puN include/linux/spi/orion_spi.h~orion_spi-handle-88f6183-erratum include/linux/spi/orion_spi.h
--- a/include/linux/spi/orion_spi.h~orion_spi-handle-88f6183-erratum
+++ a/include/linux/spi/orion_spi.h
@@ -11,6 +11,7 @@
struct orion_spi_info {
u32 tclk; /* no <linux/clk.h> support yet */
+ u32 enable_clock_fix;
};
_
Patches currently in -mm which might be from buytenh@xxxxxxxxxxxxxx are
orion_spi-fix-handling-of-default-transfer-speed.patch
git-arm.patch
git-net.patch
orion_spi-handle-88f6183-erratum.patch
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