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misc: ti-st: st_kim: remove the driver
This driver has only ever been used by the omap4-panda board file. This file has been gone for over 10 years. Let it go. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Link: https://lore.kernel.org/r/20241016094117.16654-1-brgl@bgdev.pl Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bartosz Golaszewski
committed by
Greg Kroah-Hartman
Greg Kroah-Hartman
parent
c3c3a3e219
commit
78fe66360e
@@ -613,7 +613,6 @@ config MARVELL_CN10K_DPI
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source "drivers/misc/c2port/Kconfig"
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source "drivers/misc/eeprom/Kconfig"
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source "drivers/misc/cb710/Kconfig"
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source "drivers/misc/ti-st/Kconfig"
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source "drivers/misc/lis3lv02d/Kconfig"
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source "drivers/misc/altera-stapl/Kconfig"
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source "drivers/misc/mei/Kconfig"
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@@ -40,7 +40,6 @@ obj-y += eeprom/
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obj-y += cb710/
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obj-$(CONFIG_VMWARE_BALLOON) += vmw_balloon.o
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obj-$(CONFIG_PCH_PHUB) += pch_phub.o
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obj-y += ti-st/
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obj-y += lis3lv02d/
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obj-$(CONFIG_ALTERA_STAPL) +=altera-stapl/
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obj-$(CONFIG_INTEL_MEI) += mei/
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@@ -1,19 +0,0 @@
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# SPDX-License-Identifier: GPL-2.0-only
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#
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# TI's shared transport line discipline and the protocol
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# drivers (BT, FM and GPS)
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#
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menu "Texas Instruments shared transport line discipline"
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config TI_ST
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tristate "Shared transport core driver"
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depends on NET && TTY
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depends on GPIOLIB || COMPILE_TEST
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select FW_LOADER
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help
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This enables the shared transport core driver for TI
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BT / FM and GPS combo chips. This enables protocol drivers
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to register themselves with core and send data, the responses
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are returned to relevant protocol drivers based on their
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packet types.
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endmenu
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@@ -1,7 +0,0 @@
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# SPDX-License-Identifier: GPL-2.0-only
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#
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# Makefile for TI's shared transport line discipline
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# and its protocol drivers (BT, FM, GPS)
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#
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obj-$(CONFIG_TI_ST) += st_drv.o
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st_drv-objs := st_core.o st_kim.o st_ll.o
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File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@@ -1,156 +0,0 @@
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Shared Transport driver
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* HCI-LL module responsible for TI proprietary HCI_LL protocol
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* Copyright (C) 2009-2010 Texas Instruments
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* Author: Pavan Savoy <pavan_savoy@ti.com>
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*/
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#define pr_fmt(fmt) "(stll) :" fmt
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#include <linux/skbuff.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/ti_wilink_st.h>
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/**********************************************************************/
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/* internal functions */
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static void send_ll_cmd(struct st_data_s *st_data,
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unsigned char cmd)
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{
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pr_debug("%s: writing %x", __func__, cmd);
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st_int_write(st_data, &cmd, 1);
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return;
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}
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static void ll_device_want_to_sleep(struct st_data_s *st_data)
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{
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struct kim_data_s *kim_data;
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struct ti_st_plat_data *pdata;
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pr_debug("%s", __func__);
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/* sanity check */
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if (st_data->ll_state != ST_LL_AWAKE)
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pr_err("ERR hcill: ST_LL_GO_TO_SLEEP_IND"
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"in state %ld", st_data->ll_state);
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send_ll_cmd(st_data, LL_SLEEP_ACK);
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/* update state */
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st_data->ll_state = ST_LL_ASLEEP;
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/* communicate to platform about chip asleep */
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kim_data = st_data->kim_data;
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pdata = kim_data->kim_pdev->dev.platform_data;
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if (pdata->chip_asleep)
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pdata->chip_asleep(NULL);
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}
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static void ll_device_want_to_wakeup(struct st_data_s *st_data)
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{
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struct kim_data_s *kim_data;
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struct ti_st_plat_data *pdata;
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/* diff actions in diff states */
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switch (st_data->ll_state) {
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case ST_LL_ASLEEP:
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send_ll_cmd(st_data, LL_WAKE_UP_ACK); /* send wake_ack */
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break;
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case ST_LL_ASLEEP_TO_AWAKE:
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/* duplicate wake_ind */
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pr_err("duplicate wake_ind while waiting for Wake ack");
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break;
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case ST_LL_AWAKE:
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/* duplicate wake_ind */
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pr_err("duplicate wake_ind already AWAKE");
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break;
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case ST_LL_AWAKE_TO_ASLEEP:
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/* duplicate wake_ind */
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pr_err("duplicate wake_ind");
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break;
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}
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/* update state */
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st_data->ll_state = ST_LL_AWAKE;
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/* communicate to platform about chip wakeup */
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kim_data = st_data->kim_data;
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pdata = kim_data->kim_pdev->dev.platform_data;
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if (pdata->chip_awake)
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pdata->chip_awake(NULL);
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}
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/**********************************************************************/
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/* functions invoked by ST Core */
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/* called when ST Core wants to
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* enable ST LL */
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void st_ll_enable(struct st_data_s *ll)
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{
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ll->ll_state = ST_LL_AWAKE;
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}
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/* called when ST Core /local module wants to
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* disable ST LL */
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void st_ll_disable(struct st_data_s *ll)
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{
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ll->ll_state = ST_LL_INVALID;
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}
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/* called when ST Core wants to update the state */
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void st_ll_wakeup(struct st_data_s *ll)
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{
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if (likely(ll->ll_state != ST_LL_AWAKE)) {
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send_ll_cmd(ll, LL_WAKE_UP_IND); /* WAKE_IND */
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ll->ll_state = ST_LL_ASLEEP_TO_AWAKE;
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} else {
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/* don't send the duplicate wake_indication */
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pr_err(" Chip already AWAKE ");
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}
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}
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/* called when ST Core wants the state */
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unsigned long st_ll_getstate(struct st_data_s *ll)
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{
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pr_debug(" returning state %ld", ll->ll_state);
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return ll->ll_state;
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}
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/* called from ST Core, when a PM related packet arrives */
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unsigned long st_ll_sleep_state(struct st_data_s *st_data,
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unsigned char cmd)
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{
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switch (cmd) {
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case LL_SLEEP_IND: /* sleep ind */
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pr_debug("sleep indication recvd");
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ll_device_want_to_sleep(st_data);
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break;
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case LL_SLEEP_ACK: /* sleep ack */
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pr_err("sleep ack rcvd: host shouldn't");
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break;
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case LL_WAKE_UP_IND: /* wake ind */
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pr_debug("wake indication recvd");
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ll_device_want_to_wakeup(st_data);
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break;
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case LL_WAKE_UP_ACK: /* wake ack */
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pr_debug("wake ack rcvd");
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st_data->ll_state = ST_LL_AWAKE;
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break;
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default:
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pr_err(" unknown input/state ");
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return -EINVAL;
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}
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return 0;
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}
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/* Called from ST CORE to initialize ST LL */
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long st_ll_init(struct st_data_s *ll)
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{
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/* set state to invalid */
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ll->ll_state = ST_LL_INVALID;
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return 0;
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}
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/* Called from ST CORE to de-initialize ST LL */
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long st_ll_deinit(struct st_data_s *ll)
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{
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return 0;
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}
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