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[U-Boot,v2,2/2] spi: ti_qspi: Remove unnecessary udelay for AM437x

Message ID 20160907094823.32749-3-vigneshr@ti.com
State Accepted
Delegated to: Jagannadha Sutradharudu Teki
Headers show

Commit Message

Raghavendra, Vignesh Sept. 7, 2016, 9:48 a.m. UTC 
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>
---

v2: no change

 drivers/spi/ti_qspi.c | 7 -------
 1 file changed, 7 deletions(-)
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Patch

diff --git a/drivers/spi/ti_qspi.c b/drivers/spi/ti_qspi.c
index 1e2c432ede66..406e76b8a780 100644
--- a/drivers/spi/ti_qspi.c
+++ b/drivers/spi/ti_qspi.c
@@ -226,13 +226,6 @@  static int __ti_qspi_xfer(struct ti_qspi_priv *priv, unsigned int bitlen,
 		priv->cmd |= QSPI_3_PIN;
 	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) {
 		u8 xfer_len = 0;