diff options
| author | Lee Jones <lee.jones@linaro.org> | 2013-05-03 16:32:04 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-05-23 21:12:51 +0200 |
| commit | 8a59fed39577d7313921a59dba8cc1711ae90da5 (patch) | |
| tree | a20709493eb82822537aae8da99e6152c66e984c /drivers/dma/ste_dma40.c | |
| parent | dmaengine: ste_dma40: Calculate number of logical channels from physical ones (diff) | |
| download | linux-8a59fed39577d7313921a59dba8cc1711ae90da5.tar.xz linux-8a59fed39577d7313921a59dba8cc1711ae90da5.zip | |
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>
Diffstat (limited to 'drivers/dma/ste_dma40.c')
| -rw-r--r-- | drivers/dma/ste_dma40.c | 16 |
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), |