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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>
This commit is contained in:
Khoronzhuk, Ivan 2014-11-04 01:39:27 +02:00 committed by Tom Rini
parent b7d9f9ca9e
commit 75d7c0b04c
1 changed files with 0 additions and 12 deletions
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12
drivers/dma/keystone_nav.c
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@ -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);
}