/* * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland * License terms: GNU General Public License (GPL) version 2 */ #define pr_fmt(fmt) KBUILD_MODNAME ":%s(): " fmt, __func__ #include #include #include #include #include #define VEI_PAYLOAD 0x00 #define VEI_CMD_BIT 0x80 #define VEI_FLOW_OFF 0x81 #define VEI_FLOW_ON 0x80 #define VEI_SET_PIN 0x82 #define container_obj(layr) container_of(layr, struct cfsrvl, layer) static int cfvei_receive(struct cflayer *layr, struct cfpkt *pkt); static int cfvei_transmit(struct cflayer *layr, struct cfpkt *pkt); struct cflayer *cfvei_create(u8 channel_id, struct dev_info *dev_info) { struct cfsrvl *vei = kzalloc(sizeof(struct cfsrvl), GFP_ATOMIC); if (!vei) return NULL; caif_assert(offsetof(struct cfsrvl, layer) == 0); cfsrvl_init(vei, channel_id, dev_info, true); vei->layer.receive = cfvei_receive; vei->layer.transmit = cfvei_transmit; snprintf(vei->layer.name, CAIF_LAYER_NAME_SZ - 1, "vei%d", channel_id); return &vei->layer; } static int cfvei_receive(struct cflayer *layr, struct cfpkt *pkt) { u8 cmd; int ret; caif_assert(layr->up != NULL); caif_assert(layr->receive != NULL); caif_assert(layr->ctrlcmd != NULL); if (cfpkt_extr_head(pkt, &cmd, 1) < 0) { pr_err("Packet is erroneous!\n"); cfpkt_destroy(pkt); return -EPROTO; } switch (cmd) { case VEI_PAYLOAD: ret = layr->up->receive(layr->up, pkt); return ret; case VEI_FLOW_OFF: layr->ctrlcmd(layr, CAIF_CTRLCMD_FLOW_OFF_IND, 0); cfpkt_destroy(pkt); return 0; case VEI_FLOW_ON: layr->ctrlcmd(layr, CAIF_CTRLCMD_FLOW_ON_IND, 0); cfpkt_destroy(pkt); return 0; case VEI_SET_PIN: /* SET RS232 PIN */ cfpkt_destroy(pkt); return 0; default: /* SET RS232 PIN */ pr_warn("Unknown VEI control packet %d (0x%x)!\n", cmd, cmd); cfpkt_destroy(pkt); return -EPROTO; } } static int cfvei_transmit(struct cflayer *layr, struct cfpkt *pkt) { u8 tmp = 0; struct caif_payload_info *info; int ret; struct cfsrvl *service = container_obj(layr); if (!cfsrvl_ready(service, &ret)) goto err; caif_assert(layr->dn != NULL); caif_assert(layr->dn->transmit != NULL); if (cfpkt_add_head(pkt, &tmp, 1) < 0) { pr_err("Packet is erroneous!\n"); ret = -EPROTO; goto err; } /* Add info-> for MUX-layer to route the packet out. */ info = cfpkt_info(pkt); info->channel_id = service->layer.id; info->hdr_len = 1; info->dev_info = &service->dev_info; return layr->dn->transmit(layr->dn, pkt); err: cfpkt_destroy(pkt); return ret; } ption>
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authorMark Rutland <mark.rutland@arm.com>2017-01-25 19:30:09 +0000
committerMark Brown <broonie@kernel.org>2017-01-25 21:05:37 +0000
commit1372cef1c697d8aac0cc923f8aa2c37d790ec9ed (patch)
treeed5f350cd559bc15ae370f0c9fd280204e98597d /net/rxrpc
parentd00b74613fb18dfd0a5aa99270ee2e72d5c808d7 (diff)
regulator: fixed: Revert support for ACPI interface
This reverts commit 13bed58ce874 (regulator: fixed: add support for ACPI interface). While there does appear to be a practical need to manage regulators on ACPI systems, using ad-hoc properties to describe regulators to the kernel presents a number of problems (especially should ACPI gain first class support for such things), and there are ongoing discussions as to how to manage this. Until there is a rough consensus, revert commit 13bed58ce8748d43, which hasn't been in a released kernel yet as discussed in [1] and the surrounding thread. [1] http://lkml.kernel.org/r/20170125184949.x2wkoo7kbaaajkjk@sirena.org.uk Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Lu Baolu <baolu.lu@linux.intel.com> Cc: Mark Brown <broonie@kernel.org> Cc: Rafael J. Wysocki <rafael@kernel.org> Cc: linux-kernel@vger.kernel.org Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'net/rxrpc')