spi: ti_qspi: Remove delay in read path for dra7xx
authorVignesh R <vigneshr@ti.com>
Fri, 22 Jul 2016 05:25:50 +0000 (10:55 +0530)
committerJagan Teki <jteki@openedev.com>
Fri, 29 Jul 2016 18:45:00 +0000 (00:15 +0530)
As per commit b545a98f5dc563 ("spi: ti_qspi: Add delay
for successful bulk erase) says its added to meet bulk erase timing
constraints. But bulk erase is a cmd to flash and delay in read path
does not make sense. Morever, testing on DRA74/DRA72 evm has shown that
this delay is no longer required.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Mugunthan V N <mugunthanvnm@ti.com>
drivers/spi/ti_qspi.c

index 56ae29a3ee7c592f10f383eb7e6ae4a926f5853c..fa7ee229878a72dc755adaa03eee59b3a8f923e9 100644 (file)
@@ -249,9 +249,6 @@ static int __ti_qspi_xfer(struct ti_qspi_priv *priv, unsigned int bitlen,
                if (rxp) {
                        debug("rx cmd %08x dc %08x\n",
                              ((u32)(priv->cmd | QSPI_RD_SNGL)), priv->dc);
-                       #ifdef CONFIG_DRA7XX
-                               udelay(500);
-                       #endif
                        writel(priv->cmd | QSPI_RD_SNGL, &priv->base->cmd);
                        status = readl(&priv->base->status);
                        timeout = QSPI_TIMEOUT;