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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-02 20:09:50 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-02 20:09:50 +0100 |
| commit | a64d31baed104be25305e9c71585d3ea4ee9a418 (patch) | |
| tree | 470e3c59ef39f38bcd69f8fef7dba8f76afbec53 /drivers/spi/mpc52xx_psc_spi.c | |
| parent | 1c39194878c09bd88ffc9c9d4c2f01c3397c7aed (diff) | |
| parent | 061e41fdb5047b1fb161e89664057835935ca1d2 (diff) | |
| download | op-kernel-dev-a64d31baed104be25305e9c71585d3ea4ee9a418.zip op-kernel-dev-a64d31baed104be25305e9c71585d3ea4ee9a418.tar.gz | |
Merge branch 'linus' into cpus4096
Conflicts:
kernel/trace/ring_buffer.c
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) |
