From b545a98f5dc5635d55b5b3878cbb44142e863017 Mon Sep 17 00:00:00 2001 From: "Poddar, Sourav" Date: Thu, 3 Apr 2014 07:52:54 -0400 Subject: spi: ti_qspi: Add delay for successful bulk erase. Bulk erase is not happening properly on dra7 due to erase timing constraints, add a delay so that erase timing constraints are properly met. Signed-off-by: Sourav Poddar Tested-by: Yebio Mesfin --- drivers/spi/ti_qspi.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers') diff --git a/drivers/spi/ti_qspi.c b/drivers/spi/ti_qspi.c index dfa5d0c..c5d2245 100644 --- a/drivers/spi/ti_qspi.c +++ b/drivers/spi/ti_qspi.c @@ -314,6 +314,9 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, qslave->cmd |= QSPI_RD_SNGL; debug("rx cmd %08x dc %08x\n", qslave->cmd, qslave->dc); + #ifdef CONFIG_DRA7XX + udelay(500); + #endif writel(qslave->cmd, &qslave->base->cmd); status = readl(&qslave->base->status); timeout = QSPI_TIMEOUT; -- cgit v1.1