From 532a80c9a9d77c77dc340cfbb019ba35f510def2 Mon Sep 17 00:00:00 2001 From: Sourav Poddar Date: Tue, 10 Dec 2013 20:14:50 +0530 Subject: [PATCH] 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(+) diff --git a/drivers/spi/ti_qspi.c b/drivers/spi/ti_qspi.c index aa7b6ae326..a99431170e 100644 --- a/drivers/spi/ti_qspi.c +++ b/drivers/spi/ti_qspi.c @@ -310,6 +310,9 @@ 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;