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staging: most: hdm-dim2: double size of DBR buffer 

This patch increases the size of the asynchronous and control DBR buffers
in the Tx path to twice the max. message size. This patch is needed to
increase the throughput for big messages.

Signed-off-by: Andrey Shvetsov <andrey.shvetsov@k2l.de>
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andrey Shvetsov 2016-09-15 16:19:06 +02:00 committed by Greg Kroah-Hartman
parent 9b762fdfe2
commit 6631c5c9b0
1 changed files with 3 additions and 2 deletions
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5
drivers/staging/most/hdm-dim2/dim2_hdm.c
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@ -526,7 +526,7 @@ static int configure_channel(struct most_interface *most_iface, int ch_idx,
hdm_ch->name, buf_size, new_size);
spin_lock_irqsave(&dim_lock, flags);
hal_ret = dim_init_control(&hdm_ch->ch, is_tx, ch_addr,
new_size);
is_tx ? new_size * 2 : new_size);
break;
case MOST_CH_ASYNC:
new_size = dim_norm_ctrl_async_buffer_size(buf_size);
@ -539,7 +539,8 @@ static int configure_channel(struct most_interface *most_iface, int ch_idx,
pr_warn("%s: fixed buffer size (%d -> %d)\n",
hdm_ch->name, buf_size, new_size);
spin_lock_irqsave(&dim_lock, flags);
hal_ret = dim_init_async(&hdm_ch->ch, is_tx, ch_addr, new_size);
hal_ret = dim_init_async(&hdm_ch->ch, is_tx, ch_addr,
is_tx ? new_size * 2 : new_size);
break;
case MOST_CH_ISOC_AVP:
new_size = dim_norm_isoc_buffer_size(buf_size, sub_size);