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spi: ti_qspi: Remove unnecessary udelay for AM437x

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This udelay() was added as an HACK and is no longer required. All
read/write/erase operations work fine even without this delay. Hence,
remove the udelay() call.

Tested read/write/erase operation on AM437x SK. Also tested QSPI Boot.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
This commit is contained in:
Vignesh R 2016-09-07 15:18:23 +05:30 • committed by Jagan Teki
parent 260368507a
commit 28b69f6488
1 changed files with 0 additions and 7 deletions
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7
drivers/spi/ti_qspi.c
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@ -226,13 +226,6 @@ static int __ti_qspi_xfer(struct ti_qspi_priv *priv, unsigned int bitlen,
priv->cmd |= QSPI_3_PIN; priv->cmd |= QSPI_3_PIN;
priv->cmd |= 0xfff; priv->cmd |= 0xfff;
/* FIXME: This delay is required for successfull
* completion of read/write/erase. Once its root
* caused, it will be remove from the driver.
*/
#ifdef CONFIG_AM43XX
udelay(100);
#endif
while (words) { while (words) {
u8 xfer_len = 0; u8 xfer_len = 0;