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>

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>
Khoronzhuk, Ivan · Tom Rini
1 parent b7d9f9ca9e
Showing 1 changed file with 0 additions and 12 deletions Side-by-side Diff
drivers/dma/keystone_nav.c
@@ -81,9 +81,6 @@
 {
 	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 @@
 {
 	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 @@
 {
 	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_from_free_pool(void)
 {
-	if (!qm_cfg)
-		return NULL;
-
 	return qm_pop(qm_cfg->qpool_num);
 }
...	...	@@ -81,9 +81,6 @@
81	81	{
82	82	u32 j;
83	83
84		- if (qm_cfg == NULL)
85		- return;
86		-
87	84	queue_close(qm_cfg->qpool_num);
88	85
89	86	qm_cfg->mngr_cfg->link_ram_base0 = 0;
...	...	@@ -105,9 +102,6 @@
105	102	{
106	103	u32 regd;
107	104
108		- if (!qm_cfg)
109		- return;
110		-
111	105	cpu_to_bus((u32 *)hd, sizeof(struct qm_host_desc)/4);
112	106	regd = (u32)hd \| ((sizeof(struct qm_host_desc) >> 4) - 1);
113	107	writel(regd, &qm_cfg->queue[qnum].ptr_size_thresh);
...	...	@@ -127,9 +121,6 @@
127	121	{
128	122	u32 uhd;
129	123
130		- if (!qm_cfg)
131		- return NULL;
132		-
133	124	uhd = readl(&qm_cfg->queue[qnum].ptr_size_thresh) & ~0xf;
134	125	if (uhd)
135	126	cpu_to_bus((u32 *)uhd, sizeof(struct qm_host_desc)/4);
...	...	@@ -139,9 +130,6 @@
139	130
140	131	struct qm_host_desc *qm_pop_from_free_pool(void)
141	132	{
142		- if (!qm_cfg)
143		- return NULL;
144		-
145	133	return qm_pop(qm_cfg->qpool_num);
146	134	}
147	135