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authorSammy He <r62914@freescale.com>2009-12-18 17:06:38 +0800
committerSammy He <r62914@freescale.com>2009-12-18 17:06:38 +0800
commit97a1b233ef3d7cb7d01a6d4da06ea61c5e83e35f (patch)
tree75fdafe4142fa9449b0583daef00125711d627d2 /drivers/spi
parentf6afbf15365eec4c2f7702d79920dcf2f47fe48c (diff)
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ENGR00119486 MX25: Improve Lan9217 ethernet transfer speed
Speed is too slow on MX25, remove udelay in cspi driver Signed-off-by: Sammy He <r62914@freescale.com>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/imx_cspi.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/spi/imx_cspi.c b/drivers/spi/imx_cspi.c
index 51238eb..a4a3049 100644
--- a/drivers/spi/imx_cspi.c
+++ b/drivers/spi/imx_cspi.c
@@ -227,9 +227,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
while ((val-- > 0) &&
(((reg =
readl(dev->base + SPI_STAT_REG)) & SPI_INT_STAT_TC) ==
- 0)) {
- udelay(100);
- }
+ 0));
/* clear the TC bit */
writel(reg | SPI_INT_STAT_TC, dev->base + SPI_STAT_REG);