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authorKhoronzhuk, Ivan <ivan.khoronzhuk@ti.com>2014-11-04 01:39:27 +0200
committerTom Rini <trini@ti.com>2014-11-06 11:04:39 -0500
commit75d7c0b04c552a96de0e09ce5b892fa2e5592c5a (patch)
treebf7dd3ebb473fb90baf49742fc4c196542ae492c /drivers/dma
parentb7d9f9ca9e5584734b7dbc1ba8bb17ef04ffad59 (diff)
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dma: keystone_nav: remove spurious qm_cfg verification
The verification qm_cfg existence is done at ksnav_init(). So, there is no need to verify it after initialization. Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com> Reviewed-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/keystone_nav.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/dma/keystone_nav.c b/drivers/dma/keystone_nav.c
index 77707c2109..dfca75abdc 100644
--- a/drivers/dma/keystone_nav.c
+++ b/drivers/dma/keystone_nav.c
@@ -81,9 +81,6 @@ void qm_close(void)
{
u32 j;
- if (qm_cfg == NULL)
- return;
-
queue_close(qm_cfg->qpool_num);
qm_cfg->mngr_cfg->link_ram_base0 = 0;
@@ -105,9 +102,6 @@ void qm_push(struct qm_host_desc *hd, u32 qnum)
{
u32 regd;
- if (!qm_cfg)
- return;
-
cpu_to_bus((u32 *)hd, sizeof(struct qm_host_desc)/4);
regd = (u32)hd | ((sizeof(struct qm_host_desc) >> 4) - 1);
writel(regd, &qm_cfg->queue[qnum].ptr_size_thresh);
@@ -127,9 +121,6 @@ struct qm_host_desc *qm_pop(u32 qnum)
{
u32 uhd;
- if (!qm_cfg)
- return NULL;
-
uhd = readl(&qm_cfg->queue[qnum].ptr_size_thresh) & ~0xf;
if (uhd)
cpu_to_bus((u32 *)uhd, sizeof(struct qm_host_desc)/4);
@@ -139,9 +130,6 @@ struct qm_host_desc *qm_pop(u32 qnum)
struct qm_host_desc *qm_pop_from_free_pool(void)
{
- if (!qm_cfg)
- return NULL;
-
return qm_pop(qm_cfg->qpool_num);
}