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From 06640a5da2973318c06e516da16a5b579622e7c5 Mon Sep 17 00:00:00 2001
From: "SkyLake.Huang" <skylake.huang@mediatek.com>
Date: Thu, 23 Jun 2022 18:37:55 +0800
Subject: [PATCH 3/6] drivers: spi-mem: Add spi calibration hook
Signed-off-by: SkyLake.Huang <skylake.huang@mediatek.com>
---
drivers/spi/spi-mem.c | 8 ++++++++
include/linux/spi/spi-mem.h | 4 ++++
2 files changed, 12 insertions(+)
--- a/drivers/spi/spi-mem.c
+++ b/drivers/spi/spi-mem.c
@@ -410,6 +410,14 @@ int spi_mem_exec_op(struct spi_mem *mem,
}
EXPORT_SYMBOL_GPL(spi_mem_exec_op);
+int spi_mem_do_calibration(struct spi_mem *mem,
+ int (*cal_read)(void *priv, u32 *addr, int addrlen, u8 *buf, int readlen),
+ void *priv)
+{
+ return spi_do_calibration(mem->spi->controller, mem->spi, cal_read, priv);
+}
+EXPORT_SYMBOL_GPL(spi_mem_do_calibration);
+
/**
* spi_mem_get_name() - Return the SPI mem device name to be used by the
* upper layer if necessary
--- a/include/linux/spi/spi-mem.h
+++ b/include/linux/spi/spi-mem.h
@@ -366,6 +366,10 @@ bool spi_mem_supports_op(struct spi_mem
int spi_mem_exec_op(struct spi_mem *mem,
const struct spi_mem_op *op);
+int spi_mem_do_calibration(struct spi_mem *mem,
+ int (*cal_read)(void *, u32 *, int, u8 *, int),
+ void *priv);
+
const char *spi_mem_get_name(struct spi_mem *mem);
struct spi_mem_dirmap_desc *
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