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https://github.com/Ysurac/openmptcprouter.git
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41 lines
1.3 KiB
Diff
41 lines
1.3 KiB
Diff
From 06640a5da2973318c06e516da16a5b579622e7c5 Mon Sep 17 00:00:00 2001
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From: "SkyLake.Huang" <skylake.huang@mediatek.com>
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Date: Thu, 23 Jun 2022 18:37:55 +0800
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Subject: [PATCH 3/6] drivers: spi-mem: Add spi calibration hook
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Signed-off-by: SkyLake.Huang <skylake.huang@mediatek.com>
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---
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drivers/spi/spi-mem.c | 8 ++++++++
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include/linux/spi/spi-mem.h | 4 ++++
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2 files changed, 12 insertions(+)
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--- a/drivers/spi/spi-mem.c
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+++ b/drivers/spi/spi-mem.c
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@@ -419,6 +419,14 @@ int spi_mem_exec_op(struct spi_mem *mem,
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}
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EXPORT_SYMBOL_GPL(spi_mem_exec_op);
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+int spi_mem_do_calibration(struct spi_mem *mem,
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+ int (*cal_read)(void *priv, u32 *addr, int addrlen, u8 *buf, int readlen),
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+ void *priv)
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+{
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+ return spi_do_calibration(mem->spi->controller, mem->spi, cal_read, priv);
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+}
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+EXPORT_SYMBOL_GPL(spi_mem_do_calibration);
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+
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/**
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* spi_mem_get_name() - Return the SPI mem device name to be used by the
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* upper layer if necessary
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--- a/include/linux/spi/spi-mem.h
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+++ b/include/linux/spi/spi-mem.h
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@@ -370,6 +370,10 @@ bool spi_mem_supports_op(struct spi_mem
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int spi_mem_exec_op(struct spi_mem *mem,
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const struct spi_mem_op *op);
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+int spi_mem_do_calibration(struct spi_mem *mem,
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+ int (*cal_read)(void *, u32 *, int, u8 *, int),
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+ void *priv);
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+
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const char *spi_mem_get_name(struct spi_mem *mem);
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struct spi_mem_dirmap_desc *
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