From: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Date: Tue, 3 Mar 2015 18:39:50 +0000 (+0530)
Subject: sf: set stripe flag while erasing incase of dual parallel
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=eb06d5a55b9319c60d4a672b12a82f13f36a5461;p=thirdparty%2Fu-boot.git

sf: set stripe flag while erasing incase of dual parallel

Set stripe flag while erasing incase of dual parallel
configurations. This enables sending erase commands to
both the flash parts separately.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

diff --git a/drivers/mtd/spi/sf_ops.c b/drivers/mtd/spi/sf_ops.c
index 1ce4ab7b7fd..d1bb41bcfe5 100644
--- a/drivers/mtd/spi/sf_ops.c
+++ b/drivers/mtd/spi/sf_ops.c
@@ -374,6 +374,11 @@ int spi_flash_cmd_erase_ops(struct spi_flash *flash, u32 offset, size_t len)
 		debug("SF: erase %2x %2x %2x %2x (%x)\n", cmd[0], cmd[1],
 		      cmd[2], cmd[3], erase_addr);
 
+#ifdef CONFIG_SPI_GENERIC
+		if (flash->dual_flash == SF_DUAL_PARALLEL_FLASH)
+			flash->spi->flags |= SPI_XFER_STRIPE;
+#endif
+
 		ret = spi_flash_write_common(flash, cmd, sizeof(cmd), NULL, 0);
 		if (ret < 0) {
 			debug("SF: erase failed\n");