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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-12-13 09:12:51 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-12-13 09:12:51 +0000 |
| commit | 72aaf09fda49f5919d98d65d35e5179f3acb0497 (patch) | |
| tree | 5fd25748f7f5640f8ee8efb86ddca88d12840791 /drivers/spi/mpc52xx_psc_spi.c | |
| parent | 67fbc2312312095acc2f19a0b601bac10f84cf9d (diff) | |
| parent | 58c2467355ed3154a12ee49d8f8236547145c9d3 (diff) | |
| download | op-kernel-dev-72aaf09fda49f5919d98d65d35e5179f3acb0497.zip op-kernel-dev-72aaf09fda49f5919d98d65d35e5179f3acb0497.tar.gz | |
Merge git://git.marvell.com/orion into devel
Diffstat (limited to 'drivers/spi/mpc52xx_psc_spi.c')
| -rw-r--r-- | drivers/spi/mpc52xx_psc_spi.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/spi/mpc52xx_psc_spi.c b/drivers/spi/mpc52xx_psc_spi.c index 0debe11..3b97803 100644 --- a/drivers/spi/mpc52xx_psc_spi.c +++ b/drivers/spi/mpc52xx_psc_spi.c @@ -142,6 +142,7 @@ static int mpc52xx_psc_spi_transfer_rxtx(struct spi_device *spi, unsigned rfalarm; unsigned send_at_once = MPC52xx_PSC_BUFSIZE; unsigned recv_at_once; + int last_block = 0; if (!t->tx_buf && !t->rx_buf && t->len) return -EINVAL; @@ -151,15 +152,17 @@ static int mpc52xx_psc_spi_transfer_rxtx(struct spi_device *spi, while (rb < t->len) { if (t->len - rb > MPC52xx_PSC_BUFSIZE) { rfalarm = MPC52xx_PSC_RFALARM; + last_block = 0; } else { send_at_once = t->len - sb; rfalarm = MPC52xx_PSC_BUFSIZE - (t->len - rb); + last_block = 1; } dev_dbg(&spi->dev, "send %d bytes...\n", send_at_once); for (; send_at_once; sb++, send_at_once--) { /* set EOF flag before the last word is sent */ - if (send_at_once == 1) + if (send_at_once == 1 && last_block) out_8(&psc->ircr2, 0x01); if (tx_buf) |
