Commit 55f142ca authored by Andrey Shvetsov's avatar Andrey Shvetsov Committed by Greg Kroah-Hartman
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staging: most: hdm-dim2: fix channel configuration 



The DIM2 HDM checks the parameters passed to the function
configure_channel() and adapts the buffer sizes of the configuration
according to the hardware limitation. This patch is needed to init
the HAL layer with the correct values.

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 8c243d21

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

+3 −3
Original line number Diff line number Diff line 
/*

 * dim2_hdm.c - MediaLB DIM2 Hardware Dependent Module

 *

 * Copyright (C) 2015, Microchip Technology Germany II GmbH & Co. KG

 * Copyright (C) 2015-2016, Microchip Technology Germany II GmbH & Co. KG

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -557,7 +557,7 @@ 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,

					   buf_size);

					   new_size);

		break;

	case MOST_CH_ASYNC:

		new_size = dim_norm_ctrl_async_buffer_size(buf_size);
@@ -570,7 +570,7 @@ 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, buf_size);

		hal_ret = dim_init_async(&hdm_ch->ch, is_tx, ch_addr, new_size);

		break;

	case MOST_CH_ISOC_AVP:

		new_size = dim_norm_isoc_buffer_size(buf_size, sub_size);