Commit 6631c5c9 authored by Andrey Shvetsov's avatar Andrey Shvetsov Committed by Greg Kroah-Hartman
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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: default avatarAndrey Shvetsov <andrey.shvetsov@k2l.de>
Signed-off-by: default avatarChristian Gromm <christian.gromm@microchip.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 9b762fdf

drivers/staging/most/hdm-dim2/dim2_hdm.c

+3 −2
Original line number Diff line number Diff line
@@ -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);