[U-Boot] [PATCH] sf: Remove eeprom_m95xxx test driver

Jagan Teki jteki at openedev.com
Wed Nov 4 08:31:59 CET 2015


The relevent boards which used this driver got zapped
in previous release and the driver is never used in the
code and also it doesn't use/do any spi-flash operations.

Commit details for relevent removed boards:
"ARM: at91: remove non-generic boards"
(sha1: f6b42c140387589ded24749781ce565571092eac)

Cc: Tom Rini <trini at konsulko.com>
Cc: Albin Tonnerre <albin.tonnerre at free-electrons.com>
Signed-off-by: Jagan Teki <jteki at openedev.com>
---
 drivers/mtd/spi/Makefile        |   1 -
 drivers/mtd/spi/eeprom_m95xxx.c | 111 ----------------------------------------
 2 files changed, 112 deletions(-)
 delete mode 100644 drivers/mtd/spi/eeprom_m95xxx.c

diff --git a/drivers/mtd/spi/Makefile b/drivers/mtd/spi/Makefile
index ff48b25..cf4e7e1 100644
--- a/drivers/mtd/spi/Makefile
+++ b/drivers/mtd/spi/Makefile
@@ -20,4 +20,3 @@ obj-$(CONFIG_SPI_FLASH) += sf_ops.o sf_params.o
 obj-$(CONFIG_SPI_FLASH_DATAFLASH) += sf_dataflash.o
 obj-$(CONFIG_SPI_FLASH_MTD) += sf_mtd.o
 obj-$(CONFIG_SPI_FLASH_SANDBOX) += sandbox.o
-obj-$(CONFIG_SPI_M95XXX) += eeprom_m95xxx.o
diff --git a/drivers/mtd/spi/eeprom_m95xxx.c b/drivers/mtd/spi/eeprom_m95xxx.c
deleted file mode 100644
index a019939..0000000
--- a/drivers/mtd/spi/eeprom_m95xxx.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (C) 2009
- * Albin Tonnerre, Free Electrons <albin.tonnerre at free-electrons.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <spi.h>
-
-#define SPI_EEPROM_WREN		0x06
-#define SPI_EEPROM_RDSR		0x05
-#define SPI_EEPROM_READ		0x03
-#define SPI_EEPROM_WRITE	0x02
-
-#ifndef CONFIG_DEFAULT_SPI_BUS
-#define CONFIG_DEFAULT_SPI_BUS 0
-#endif
-
-#ifndef CONFIG_DEFAULT_SPI_MODE
-#define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0
-#endif
-
-#ifndef CONFIG_SYS_SPI_WRITE_TOUT
-#define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ)
-#endif
-
-ssize_t spi_read(uchar *addr, int alen, uchar *buffer, int len)
-{
-	struct spi_slave *slave;
-	u8 cmd = SPI_EEPROM_READ;
-
-	slave = spi_setup_slave(CONFIG_DEFAULT_SPI_BUS, 1, 1000000,
-			CONFIG_DEFAULT_SPI_MODE);
-	if (!slave)
-		return 0;
-
-	spi_claim_bus(slave);
-
-	/* command */
-	if (spi_xfer(slave, 8, &cmd, NULL, SPI_XFER_BEGIN))
-		return -1;
-
-	/*
-	 * if alen == 3, addr[0] is the block number, we never use it here.
-	 * All we need are the lower 16 bits.
-	 */
-	if (alen == 3)
-		addr++;
-
-	/* address, and data */
-	if (spi_xfer(slave, 16, addr, NULL, 0))
-		return -1;
-	if (spi_xfer(slave, 8 * len, NULL, buffer, SPI_XFER_END))
-		return -1;
-
-	spi_release_bus(slave);
-	spi_free_slave(slave);
-	return len;
-}
-
-ssize_t spi_write(uchar *addr, int alen, uchar *buffer, int len)
-{
-	struct spi_slave *slave;
-	char buf[3];
-	ulong start;
-
-	slave = spi_setup_slave(CONFIG_DEFAULT_SPI_BUS, 1, 1000000,
-			CONFIG_DEFAULT_SPI_MODE);
-	if (!slave)
-		return 0;
-
-	spi_claim_bus(slave);
-
-	buf[0] = SPI_EEPROM_WREN;
-	if (spi_xfer(slave, 8, buf, NULL, SPI_XFER_BEGIN | SPI_XFER_END))
-		return -1;
-
-	buf[0] = SPI_EEPROM_WRITE;
-
-	/* As for reading, drop addr[0] if alen is 3 */
-	if (alen == 3) {
-		alen--;
-		addr++;
-	}
-
-	memcpy(buf + 1, addr, alen);
-	/* command + addr, then data */
-	if (spi_xfer(slave, 24, buf, NULL, SPI_XFER_BEGIN))
-		return -1;
-	if (spi_xfer(slave, len * 8, buffer, NULL, SPI_XFER_END))
-		return -1;
-
-	start = get_timer(0);
-	do {
-		buf[0] = SPI_EEPROM_RDSR;
-		buf[1] = 0;
-		spi_xfer(slave, 16, buf, buf, SPI_XFER_BEGIN | SPI_XFER_END);
-
-		if (!(buf[1] & 1))
-			break;
-
-	} while (get_timer(start) < CONFIG_SYS_SPI_WRITE_TOUT);
-
-	if (buf[1] & 1)
-		printf("*** spi_write: Timeout while writing!\n");
-
-	spi_release_bus(slave);
-	spi_free_slave(slave);
-	return len;
-}
-- 
1.9.1



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