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authorOlof Johansson <olof@lixom.net>2012-09-16 18:50:30 -0700
committerOlof Johansson <olof@lixom.net>2012-09-16 18:50:30 -0700
commitd192f93cfca6a0aedbf10fa548d8bc17b86275d6 (patch)
tree357a4106ec49747bd78550a79d68f7b6d1f642a3 /drivers/rapidio/devices/tsi721.c
parentadcb079f28ec08165897e2450a4a60b219274008 (diff)
parentd5703bd35a4c76b0717ea51e2e8aabce341828a1 (diff)
Merge tag 'tegra-for-3.7-maintainers' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/maintainers
* tag 'tegra-for-3.7-maintainers' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: MAINTAINERS: tegra: remove Olof/Colin, add device tree files MAINTAINERS: add defconfig file to TEGRA section + sync with 3.6-rc4
Diffstat (limited to 'drivers/rapidio/devices/tsi721.c')
-rw-r--r--drivers/rapidio/devices/tsi721.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c
index 722246cf20a..5d44252b734 100644
--- a/drivers/rapidio/devices/tsi721.c
+++ b/drivers/rapidio/devices/tsi721.c
@@ -435,6 +435,9 @@ static void tsi721_db_dpc(struct work_struct *work)
" info %4.4x\n", DBELL_SID(idb.bytes),
DBELL_TID(idb.bytes), DBELL_INF(idb.bytes));
}
+
+ wr_ptr = ioread32(priv->regs +
+ TSI721_IDQ_WP(IDB_QUEUE)) % IDB_QSIZE;
}
iowrite32(rd_ptr & (IDB_QSIZE - 1),
@@ -445,6 +448,10 @@ static void tsi721_db_dpc(struct work_struct *work)
regval |= TSI721_SR_CHINT_IDBQRCV;
iowrite32(regval,
priv->regs + TSI721_SR_CHINTE(IDB_QUEUE));
+
+ wr_ptr = ioread32(priv->regs + TSI721_IDQ_WP(IDB_QUEUE)) % IDB_QSIZE;
+ if (wr_ptr != rd_ptr)
+ schedule_work(&priv->idb_work);
}
/**
@@ -2212,7 +2219,7 @@ static int __devinit tsi721_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
struct tsi721_device *priv;
- int i, cap;
+ int cap;
int err;
u32 regval;
@@ -2232,12 +2239,15 @@ static int __devinit tsi721_probe(struct pci_dev *pdev,
priv->pdev = pdev;
#ifdef DEBUG
+ {
+ int i;
for (i = 0; i <= PCI_STD_RESOURCE_END; i++) {
dev_dbg(&pdev->dev, "res[%d] @ 0x%llx (0x%lx, 0x%lx)\n",
i, (unsigned long long)pci_resource_start(pdev, i),
(unsigned long)pci_resource_len(pdev, i),
pci_resource_flags(pdev, i));
}
+ }
#endif
/*
* Verify BAR configuration