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authorDavid S. Miller <davem@davemloft.net>2008-12-03 04:50:27 +0100
committerDavid S. Miller <davem@davemloft.net>2008-12-03 04:50:27 +0100
commitaa2ba5f1082dc705745899584aac8416d710c056 (patch)
treebde0bf4aff036c6bac19a0212194ae1092afb3c9 /drivers/spi/mpc52xx_psc_spi.c
parentMerge branch 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/rus... (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog (diff)
downloadlinux-aa2ba5f1082dc705745899584aac8416d710c056.tar.xz
linux-aa2ba5f1082dc705745899584aac8416d710c056.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/ixgbe/ixgbe_main.c drivers/net/smc91x.c
Diffstat (limited to 'drivers/spi/mpc52xx_psc_spi.c')
-rw-r--r--drivers/spi/mpc52xx_psc_spi.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/spi/mpc52xx_psc_spi.c b/drivers/spi/mpc52xx_psc_spi.c
index 0debe11b67b4..3b97803e1d11 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)