[PATCH 1/2] spi: Zap sh_spi driver

[PATCH 1/2] spi: Zap sh_spi driver

[Jagan Teki]

sh_spi driver is deprecated, no active updates and
no board user, hence dropped the same.

Cc: Marek Vasut <marex@denx.de>
Cc: Tom Rini <trini@konsulko.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
 drivers/spi/Kconfig  |   7 --
 drivers/spi/Makefile |   1 -
 drivers/spi/sh_spi.c | 249 -------------------------------------------
 drivers/spi/sh_spi.h |  67 ------------
 4 files changed, 324 deletions(-)
 delete mode 100644 drivers/spi/sh_spi.c
 delete mode 100644 drivers/spi/sh_spi.h

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 4166c6104e..0ab661bf05 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -412,13 +412,6 @@ config DAVINCI_SPI
 	help
 	  Enable the Davinci SPI driver
 
-config SH_SPI
-	bool "SuperH SPI driver"
-	depends on DEPRECATED
-	help
-	  Enable the SuperH SPI controller driver. This driver can be used
-	  on various SuperH SoCs, such as SH7757.
-
 config SH_QSPI
 	bool "Renesas Quad SPI driver"
 	help
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index 52462e19a3..e12e1bca98 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -53,7 +53,6 @@ obj-$(CONFIG_ROCKCHIP_SPI) += rk_spi.o
 obj-$(CONFIG_SANDBOX_SPI) += sandbox_spi.o
 obj-$(CONFIG_SPI_SIFIVE) += spi-sifive.o
 obj-$(CONFIG_SPI_SUNXI) += spi-sunxi.o
-obj-$(CONFIG_SH_SPI) += sh_spi.o
 obj-$(CONFIG_SH_QSPI) += sh_qspi.o
 obj-$(CONFIG_STM32_QSPI) += stm32_qspi.o
 obj-$(CONFIG_STM32_SPI) += stm32_spi.o
diff --git a/drivers/spi/sh_spi.c b/drivers/spi/sh_spi.c
deleted file mode 100644
index c58fd0ebc4..0000000000
--- a/drivers/spi/sh_spi.c
+++ /dev/null
@@ -1,249 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * SH SPI driver
- *
- * Copyright (C) 2011-2012 Renesas Solutions Corp.
- */
-
-#include <common.h>
-#include <console.h>
-#include <malloc.h>
-#include <spi.h>
-#include <asm/io.h>
-#include "sh_spi.h"
-
-static void sh_spi_write(unsigned long data, unsigned long *reg)
-{
-	writel(data, reg);
-}
-
-static unsigned long sh_spi_read(unsigned long *reg)
-{
-	return readl(reg);
-}
-
-static void sh_spi_set_bit(unsigned long val, unsigned long *reg)
-{
-	unsigned long tmp;
-
-	tmp = sh_spi_read(reg);
-	tmp |= val;
-	sh_spi_write(tmp, reg);
-}
-
-static void sh_spi_clear_bit(unsigned long val, unsigned long *reg)
-{
-	unsigned long tmp;
-
-	tmp = sh_spi_read(reg);
-	tmp &= ~val;
-	sh_spi_write(tmp, reg);
-}
-
-static void clear_fifo(struct sh_spi *ss)
-{
-	sh_spi_set_bit(SH_SPI_RSTF, &ss->regs->cr2);
-	sh_spi_clear_bit(SH_SPI_RSTF, &ss->regs->cr2);
-}
-
-static int recvbuf_wait(struct sh_spi *ss)
-{
-	while (sh_spi_read(&ss->regs->cr1) & SH_SPI_RBE) {
-		if (ctrlc())
-			return 1;
-		udelay(10);
-	}
-	return 0;
-}
-
-static int write_fifo_empty_wait(struct sh_spi *ss)
-{
-	while (!(sh_spi_read(&ss->regs->cr1) & SH_SPI_TBE)) {
-		if (ctrlc())
-			return 1;
-		udelay(10);
-	}
-	return 0;
-}
-
-static void sh_spi_set_cs(struct sh_spi *ss, unsigned int cs)
-{
-	unsigned long val = 0;
-
-	if (cs & 0x01)
-		val |= SH_SPI_SSS0;
-	if (cs & 0x02)
-		val |= SH_SPI_SSS1;
-
-	sh_spi_clear_bit(SH_SPI_SSS0 | SH_SPI_SSS1, &ss->regs->cr4);
-	sh_spi_set_bit(val, &ss->regs->cr4);
-}
-
-struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
-		unsigned int max_hz, unsigned int mode)
-{
-	struct sh_spi *ss;
-
-	if (!spi_cs_is_valid(bus, cs))
-		return NULL;
-
-	ss = spi_alloc_slave(struct sh_spi, bus, cs);
-	if (!ss)
-		return NULL;
-
-	ss->regs = (struct sh_spi_regs *)CONFIG_SH_SPI_BASE;
-
-	/* SPI sycle stop */
-	sh_spi_write(0xfe, &ss->regs->cr1);
-	/* CR1 init */
-	sh_spi_write(0x00, &ss->regs->cr1);
-	/* CR3 init */
-	sh_spi_write(0x00, &ss->regs->cr3);
-	sh_spi_set_cs(ss, cs);
-
-	clear_fifo(ss);
-
-	/* 1/8 clock */
-	sh_spi_write(sh_spi_read(&ss->regs->cr2) | 0x07, &ss->regs->cr2);
-	udelay(10);
-
-	return &ss->slave;
-}
-
-void spi_free_slave(struct spi_slave *slave)
-{
-	struct sh_spi *spi = to_sh_spi(slave);
-
-	free(spi);
-}
-
-int spi_claim_bus(struct spi_slave *slave)
-{
-	return 0;
-}
-
-void spi_release_bus(struct spi_slave *slave)
-{
-	struct sh_spi *ss = to_sh_spi(slave);
-
-	sh_spi_write(sh_spi_read(&ss->regs->cr1) &
-		~(SH_SPI_SSA | SH_SPI_SSDB | SH_SPI_SSD), &ss->regs->cr1);
-}
-
-static int sh_spi_send(struct sh_spi *ss, const unsigned char *tx_data,
-			unsigned int len, unsigned long flags)
-{
-	int i, cur_len, ret = 0;
-	int remain = (int)len;
-
-	if (len >= SH_SPI_FIFO_SIZE)
-		sh_spi_set_bit(SH_SPI_SSA, &ss->regs->cr1);
-
-	while (remain > 0) {
-		cur_len = (remain < SH_SPI_FIFO_SIZE) ?
-				remain : SH_SPI_FIFO_SIZE;
-		for (i = 0; i < cur_len &&
-			!(sh_spi_read(&ss->regs->cr4) & SH_SPI_WPABRT) &&
-			!(sh_spi_read(&ss->regs->cr1) & SH_SPI_TBF);
-				i++)
-			sh_spi_write(tx_data[i], &ss->regs->tbr_rbr);
-
-		cur_len = i;
-
-		if (sh_spi_read(&ss->regs->cr4) & SH_SPI_WPABRT) {
-			/* Abort the transaction */
-			flags |= SPI_XFER_END;
-			sh_spi_set_bit(SH_SPI_WPABRT, &ss->regs->cr4);
-			ret = 1;
-			break;
-		}
-
-		remain -= cur_len;
-		tx_data += cur_len;
-
-		if (remain > 0)
-			write_fifo_empty_wait(ss);
-	}
-
-	if (flags & SPI_XFER_END) {
-		sh_spi_clear_bit(SH_SPI_SSD | SH_SPI_SSDB, &ss->regs->cr1);
-		sh_spi_set_bit(SH_SPI_SSA, &ss->regs->cr1);
-		udelay(100);
-		write_fifo_empty_wait(ss);
-	}
-
-	return ret;
-}
-
-static int sh_spi_receive(struct sh_spi *ss, unsigned char *rx_data,
-			  unsigned int len, unsigned long flags)
-{
-	int i;
-
-	if (len > SH_SPI_MAX_BYTE)
-		sh_spi_write(SH_SPI_MAX_BYTE, &ss->regs->cr3);
-	else
-		sh_spi_write(len, &ss->regs->cr3);
-
-	sh_spi_clear_bit(SH_SPI_SSD | SH_SPI_SSDB, &ss->regs->cr1);
-	sh_spi_set_bit(SH_SPI_SSA, &ss->regs->cr1);
-
-	for (i = 0; i < len; i++) {
-		if (recvbuf_wait(ss))
-			return 0;
-
-		rx_data[i] = (unsigned char)sh_spi_read(&ss->regs->tbr_rbr);
-	}
-	sh_spi_write(0, &ss->regs->cr3);
-
-	return 0;
-}
-
-int  spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
-		void *din, unsigned long flags)
-{
-	struct sh_spi *ss = to_sh_spi(slave);
-	const unsigned char *tx_data = dout;
-	unsigned char *rx_data = din;
-	unsigned int len = bitlen / 8;
-	int ret = 0;
-
-	if (flags & SPI_XFER_BEGIN)
-		sh_spi_write(sh_spi_read(&ss->regs->cr1) & ~SH_SPI_SSA,
-				&ss->regs->cr1);
-
-	if (tx_data)
-		ret = sh_spi_send(ss, tx_data, len, flags);
-
-	if (ret == 0 && rx_data)
-		ret = sh_spi_receive(ss, rx_data, len, flags);
-
-	if (flags & SPI_XFER_END) {
-		sh_spi_set_bit(SH_SPI_SSD, &ss->regs->cr1);
-		udelay(100);
-
-		sh_spi_clear_bit(SH_SPI_SSA | SH_SPI_SSDB | SH_SPI_SSD,
-				 &ss->regs->cr1);
-		clear_fifo(ss);
-	}
-
-	return ret;
-}
-
-int  spi_cs_is_valid(unsigned int bus, unsigned int cs)
-{
-	if (!bus && cs < SH_SPI_NUM_CS)
-		return 1;
-	else
-		return 0;
-}
-
-void spi_cs_activate(struct spi_slave *slave)
-{
-
-}
-
-void spi_cs_deactivate(struct spi_slave *slave)
-{
-
-}
diff --git a/drivers/spi/sh_spi.h b/drivers/spi/sh_spi.h
deleted file mode 100644
index 33a4630c8d..0000000000
--- a/drivers/spi/sh_spi.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * SH SPI driver
- *
- * Copyright (C) 2011 Renesas Solutions Corp.
- */
-
-#ifndef __SH_SPI_H__
-#define __SH_SPI_H__
-
-#include <spi.h>
-
-struct sh_spi_regs {
-	unsigned long tbr_rbr;
-	unsigned long resv1;
-	unsigned long cr1;
-	unsigned long resv2;
-	unsigned long cr2;
-	unsigned long resv3;
-	unsigned long cr3;
-	unsigned long resv4;
-	unsigned long cr4;
-};
-
-/* CR1 */
-#define SH_SPI_TBE	0x80
-#define SH_SPI_TBF	0x40
-#define SH_SPI_RBE	0x20
-#define SH_SPI_RBF	0x10
-#define SH_SPI_PFONRD	0x08
-#define SH_SPI_SSDB	0x04
-#define SH_SPI_SSD	0x02
-#define SH_SPI_SSA	0x01
-
-/* CR2 */
-#define SH_SPI_RSTF	0x80
-#define SH_SPI_LOOPBK	0x40
-#define SH_SPI_CPOL	0x20
-#define SH_SPI_CPHA	0x10
-#define SH_SPI_L1M0	0x08
-
-/* CR3 */
-#define SH_SPI_MAX_BYTE	0xFF
-
-/* CR4 */
-#define SH_SPI_TBEI	0x80
-#define SH_SPI_TBFI	0x40
-#define SH_SPI_RBEI	0x20
-#define SH_SPI_RBFI	0x10
-#define SH_SPI_SSS1	0x08
-#define SH_SPI_WPABRT	0x04
-#define SH_SPI_SSS0	0x01
-
-#define SH_SPI_FIFO_SIZE	32
-#define SH_SPI_NUM_CS		4
-
-struct sh_spi {
-	struct spi_slave	slave;
-	struct sh_spi_regs	*regs;
-};
-
-static inline struct sh_spi *to_sh_spi(struct spi_slave *slave)
-{
-	return container_of(slave, struct sh_spi, slave);
-}
-
-#endif
-- 
2.17.1

[PATCH 2/2] spi: Zap lpc32xx_ssp driver-related code

[Jagan Teki]

lpc32xx_ssp driver is deprecated, no active updates
and no board user, hence dropped the same.

Cc: Vladimir Zapolskiy <vz@mleia.com>
Cc: Albert ARIBAUD <albert.aribaud@3adev.fr>
Cc: Tom Rini <trini@konsulko.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
 drivers/spi/Kconfig          |   6 --
 drivers/spi/Makefile         |   1 -
 drivers/spi/lpc32xx_ssp.c    | 134 -----------------------------------
 include/configs/devkit3250.h |   5 --
 include/configs/work_92105.h |   5 --
 scripts/config_whitelist.txt |   1 -
 6 files changed, 152 deletions(-)
 delete mode 100644 drivers/spi/lpc32xx_ssp.c

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 0ab661bf05..fc759e71e2 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -424,12 +424,6 @@ config KIRKWOOD_SPI
 	  Enable support for SPI on various Marvell SoCs, such as
 	  Kirkwood and Armada 375.
 
-config LPC32XX_SSP
-	bool "LPC32XX SPI Driver"
-	depends on DEPRECATED
-	help
-	  Enable support for SPI on LPC32xx
-
 config MXC_SPI
 	bool "MXC SPI Driver"
 	help
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index e12e1bca98..342776404a 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -33,7 +33,6 @@ obj-$(CONFIG_FSL_ESPI) += fsl_espi.o
 obj-$(CONFIG_FSL_QSPI) += fsl_qspi.o
 obj-$(CONFIG_ICH_SPI) +=  ich.o
 obj-$(CONFIG_KIRKWOOD_SPI) += kirkwood_spi.o
-obj-$(CONFIG_LPC32XX_SSP) += lpc32xx_ssp.o
 obj-$(CONFIG_MESON_SPIFC) += meson_spifc.o
 obj-$(CONFIG_MPC8XX_SPI) += mpc8xx_spi.o
 obj-$(CONFIG_MPC8XXX_SPI) += mpc8xxx_spi.o
diff --git a/drivers/spi/lpc32xx_ssp.c b/drivers/spi/lpc32xx_ssp.c
deleted file mode 100644
index 4b09366317..0000000000
--- a/drivers/spi/lpc32xx_ssp.c
+++ /dev/null
@@ -1,134 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * LPC32xx SSP interface (SPI mode)
- *
- * (C) Copyright 2014  DENX Software Engineering GmbH
- * Written-by: Albert ARIBAUD <albert.aribaud@3adev.fr>
- */
-
-#include <common.h>
-#include <linux/compat.h>
-#include <asm/io.h>
-#include <malloc.h>
-#include <spi.h>
-#include <asm/arch/clk.h>
-
-/* SSP chip registers */
-struct ssp_regs {
-	u32 cr0;
-	u32 cr1;
-	u32 data;
-	u32 sr;
-	u32 cpsr;
-	u32 imsc;
-	u32 ris;
-	u32 mis;
-	u32 icr;
-	u32 dmacr;
-};
-
-/* CR1 register defines  */
-#define SSP_CR1_SSP_ENABLE 0x0002
-
-/* SR register defines  */
-#define SSP_SR_TNF 0x0002
-/* SSP status RX FIFO not empty bit */
-#define SSP_SR_RNE 0x0004
-
-/* lpc32xx spi slave */
-struct lpc32xx_spi_slave {
-	struct spi_slave slave;
-	struct ssp_regs *regs;
-};
-
-static inline struct lpc32xx_spi_slave *to_lpc32xx_spi_slave(
-	struct spi_slave *slave)
-{
-	return container_of(slave, struct lpc32xx_spi_slave, slave);
-}
-
-/* the following is called in sequence by do_spi_xfer() */
-
-struct spi_slave *spi_setup_slave(uint bus, uint cs, uint max_hz, uint mode)
-{
-	struct lpc32xx_spi_slave *lslave;
-
-	/* we only set up SSP0 for now, so ignore bus */
-
-	if (mode & SPI_3WIRE) {
-		pr_err("3-wire mode not supported");
-		return NULL;
-	}
-
-	if (mode & SPI_SLAVE) {
-		pr_err("slave mode not supported\n");
-		return NULL;
-	}
-
-	if (mode & SPI_PREAMBLE) {
-		pr_err("preamble byte skipping not supported\n");
-		return NULL;
-	}
-
-	lslave = spi_alloc_slave(struct lpc32xx_spi_slave, bus, cs);
-	if (!lslave) {
-		printf("SPI_error: Fail to allocate lpc32xx_spi_slave\n");
-		return NULL;
-	}
-
-	lslave->regs = (struct ssp_regs *)SSP0_BASE;
-
-	/*
-	 * 8 bit frame, SPI fmt, 500kbps -> clock divider is 26.
-	 * Set SCR to 0 and CPSDVSR to 26.
-	 */
-
-	writel(0x7, &lslave->regs->cr0); /* 8-bit chunks, SPI, 1 clk/bit */
-	writel(26, &lslave->regs->cpsr); /* SSP clock = HCLK/26 = 500kbps */
-	writel(0, &lslave->regs->imsc); /* do not raise any interrupts */
-	writel(0, &lslave->regs->icr); /* clear any pending interrupt */
-	writel(0, &lslave->regs->dmacr); /* do not do DMAs */
-	writel(SSP_CR1_SSP_ENABLE, &lslave->regs->cr1); /* enable SSP0 */
-	return &lslave->slave;
-}
-
-void spi_free_slave(struct spi_slave *slave)
-{
-	struct lpc32xx_spi_slave *lslave = to_lpc32xx_spi_slave(slave);
-
-	debug("(lpc32xx) spi_free_slave: 0x%08x\n", (u32)lslave);
-	free(lslave);
-}
-
-int spi_claim_bus(struct spi_slave *slave)
-{
-	/* only one bus and slave so far, always available */
-	return 0;
-}
-
-int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
-	const void *dout, void *din, unsigned long flags)
-{
-	struct lpc32xx_spi_slave *lslave = to_lpc32xx_spi_slave(slave);
-	int bytelen = bitlen >> 3;
-	int idx_out = 0;
-	int idx_in = 0;
-	int start_time;
-
-	start_time = get_timer(0);
-	while ((idx_out < bytelen) || (idx_in < bytelen)) {
-		int status = readl(&lslave->regs->sr);
-		if ((idx_out < bytelen) && (status & SSP_SR_TNF))
-			writel(((u8 *)dout)[idx_out++], &lslave->regs->data);
-		if ((idx_in < bytelen) && (status & SSP_SR_RNE))
-			((u8 *)din)[idx_in++] = readl(&lslave->regs->data);
-		if (get_timer(start_time) >= CONFIG_LPC32XX_SSP_TIMEOUT)
-			return -1;
-	}
-	return 0;
-}
-
-void spi_release_bus(struct spi_slave *slave)
-{
-	/* do nothing */
-}
diff --git a/include/configs/devkit3250.h b/include/configs/devkit3250.h
index 4c0229e4cc..e8420313e9 100644
--- a/include/configs/devkit3250.h
+++ b/include/configs/devkit3250.h
@@ -56,11 +56,6 @@
  */
 #define CONFIG_LPC32XX_GPIO
 
-/*
- * SSP/SPI
- */
-#define CONFIG_LPC32XX_SSP_TIMEOUT	100000
-
 /*
  * Ethernet
  */
diff --git a/include/configs/work_92105.h b/include/configs/work_92105.h
index 54d211ab66..cb56daad5d 100644
--- a/include/configs/work_92105.h
+++ b/include/configs/work_92105.h
@@ -106,11 +106,6 @@
 
 #define CONFIG_LPC32XX_GPIO
 
-/*
- * SSP/SPI/DISPLAY
- */
-
-#define CONFIG_LPC32XX_SSP_TIMEOUT 100000
 /*
  * Environment
  */
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 12a6698958..87d872cfcb 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -1034,7 +1034,6 @@ CONFIG_LPC32XX_NAND_SLC_WDR_CLKS
 CONFIG_LPC32XX_NAND_SLC_WHOLD
 CONFIG_LPC32XX_NAND_SLC_WSETUP
 CONFIG_LPC32XX_NAND_SLC_WWIDTH
-CONFIG_LPC32XX_SSP_TIMEOUT
 CONFIG_LPC_BASE
 CONFIG_LPC_IO_BASE
 CONFIG_LPUART
-- 
2.17.1

[PATCH 1/2] spi: Zap sh_spi driver

[Marek Vasut]

On 5/1/20 6:34 PM, Jagan Teki wrote:
> sh_spi driver is deprecated, no active updates and
> no board user, hence dropped the same.
> 
> Cc: Marek Vasut <marex@denx.de>
> Cc: Tom Rini <trini@konsulko.com>
> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>

I'll check whether someone still cares about this driver and get back to
you. Give it a week or so.

[PATCH 1/2] spi: Zap sh_spi driver

[Jagan Teki]

On Fri, May 1, 2020 at 10:15 PM Marek Vasut <marex@denx.de> wrote:
>
> On 5/1/20 6:34 PM, Jagan Teki wrote:
> > sh_spi driver is deprecated, no active updates and
> > no board user, hence dropped the same.
> >
> > Cc: Marek Vasut <marex@denx.de>
> > Cc: Tom Rini <trini@konsulko.com>
> > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
>
> I'll check whether someone still cares about this driver and get back to
> you. Give it a week or so.

Sounds good, thanks!

[PATCH 2/2] spi: Zap lpc32xx_ssp driver-related code

[Jagan Teki]

On Fri, May 1, 2020 at 10:05 PM Jagan Teki <jagan@amarulasolutions.com> wrote:
>
> lpc32xx_ssp driver is deprecated, no active updates
> and no board user, hence dropped the same.
>
> Cc: Vladimir Zapolskiy <vz@mleia.com>
> Cc: Albert ARIBAUD <albert.aribaud@3adev.fr>
> Cc: Tom Rini <trini@konsulko.com>
> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
> ---

Applied to u-boot-spi/master

[PATCH 1/2] spi: Zap sh_spi driver

[Jagan Teki]

On Fri, May 1, 2020 at 10:15 PM Marek Vasut <marex@denx.de> wrote:
>
> On 5/1/20 6:34 PM, Jagan Teki wrote:
> > sh_spi driver is deprecated, no active updates and
> > no board user, hence dropped the same.
> >
> > Cc: Marek Vasut <marex@denx.de>
> > Cc: Tom Rini <trini@konsulko.com>
> > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
>
> I'll check whether someone still cares about this driver and get back to
> you. Give it a week or so.

Just in case if you have any updates?

[PATCH 1/2] spi: Zap sh_spi driver

[Marek Vasut]

On 5/25/20 10:47 AM, Jagan Teki wrote:
> On Fri, May 1, 2020 at 10:15 PM Marek Vasut <marex@denx.de> wrote:
>>
>> On 5/1/20 6:34 PM, Jagan Teki wrote:
>>> sh_spi driver is deprecated, no active updates and
>>> no board user, hence dropped the same.
>>>
>>> Cc: Marek Vasut <marex@denx.de>
>>> Cc: Tom Rini <trini@konsulko.com>
>>> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
>>
>> I'll check whether someone still cares about this driver and get back to
>> you. Give it a week or so.
> 
> Just in case if you have any updates?

It's OK to drop sh_spi.