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>

1 files changed, 5 insertions, 11 deletions

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index f25c9ccf28e8..7ccb8e2d59be 100644
--- a/drivers/dma/ste_dma40.c
+++ b/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->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),