dmaengine: ste_dma40: Remove 'always true' checking

Before allocating memory for logical channels, the current driver
checks to see if there are any. Well as the dma40_memcpy_channels[]
array is always populated, the check is always true. Best to
remove the check.

Cc: Dan Williams <djbw@fb.com>
Cc: Per Forlin <per.forlin@stericsson.com>
Cc: Rabin Vincent <rabin@rab.in>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/dma/ste_dma40.c

@@ -3286,17 +3286,11 @@ static struct d40_base * __init d40_hw_detect_init(struct platform_device *pdev)
 	if (!base->lookup_phy_chans)
 		goto failure;
 
-	if (num_log_chans + ARRAY_SIZE(dma40_memcpy_channels)) {
-		/*
-		 * The max number of logical channels are event lines for all
-		 * src devices and dst devices
-		 */
 	base->lookup_log_chans = kzalloc(num_log_chans *
 					 sizeof(struct d40_chan *),
 					 GFP_KERNEL);
 	if (!base->lookup_log_chans)
 		goto failure;
-	}
 
 	base->reg_val_backup_chan = kmalloc(base->num_phy_chans *
 					    sizeof(d40_backup_regs_chan),