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alistair23-linux
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Merge branch 'devel-stable' into for-linus

master
Russell King 2021-02-22 13:09:55 +00:00
parent fd749fe4bc 860660fd82
commit 90e53c5e09
31 changed files with 160 additions and 203 deletions
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238
drivers/amba/bus.c
View File

@ -56,31 +56,28 @@ amba_lookup(const struct amba_id *table, struct amba_device *dev)
return NULL;
}
static int amba_match(struct device *dev, struct device_driver *drv)
static int amba_get_enable_pclk(struct amba_device *pcdev)
{
struct amba_device *pcdev = to_amba_device(dev);
struct amba_driver *pcdrv = to_amba_driver(drv);
int ret;
/* When driver_override is set, only bind to the matching driver */
if (pcdev->driver_override)
return !strcmp(pcdev->driver_override, drv->name);
pcdev->pclk = clk_get(&pcdev->dev, "apb_pclk");
if (IS_ERR(pcdev->pclk))
return PTR_ERR(pcdev->pclk);
return amba_lookup(pcdrv->id_table, pcdev) != NULL;
ret = clk_prepare_enable(pcdev->pclk);
if (ret)
clk_put(pcdev->pclk);
return ret;
}
static int amba_uevent(struct device *dev, struct kobj_uevent_env *env)
static void amba_put_disable_pclk(struct amba_device *pcdev)
{
struct amba_device *pcdev = to_amba_device(dev);
int retval = 0;
retval = add_uevent_var(env, "AMBA_ID=%08x", pcdev->periphid);
if (retval)
return retval;
retval = add_uevent_var(env, "MODALIAS=amba:d%08X", pcdev->periphid);
return retval;
clk_disable_unprepare(pcdev->pclk);
clk_put(pcdev->pclk);
}
static ssize_t driver_override_show(struct device *_dev,
struct device_attribute *attr, char *buf)
{
@ -152,6 +149,109 @@ static struct attribute *amba_dev_attrs[] = {
};
ATTRIBUTE_GROUPS(amba_dev);
static int amba_match(struct device *dev, struct device_driver *drv)
{
struct amba_device *pcdev = to_amba_device(dev);
struct amba_driver *pcdrv = to_amba_driver(drv);
/* When driver_override is set, only bind to the matching driver */
if (pcdev->driver_override)
return !strcmp(pcdev->driver_override, drv->name);
return amba_lookup(pcdrv->id_table, pcdev) != NULL;
}
static int amba_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct amba_device *pcdev = to_amba_device(dev);
int retval = 0;
retval = add_uevent_var(env, "AMBA_ID=%08x", pcdev->periphid);
if (retval)
return retval;
retval = add_uevent_var(env, "MODALIAS=amba:d%08X", pcdev->periphid);
return retval;
}
/*
* These are the device model conversion veneers; they convert the
* device model structures to our more specific structures.
*/
static int amba_probe(struct device *dev)
{
struct amba_device *pcdev = to_amba_device(dev);
struct amba_driver *pcdrv = to_amba_driver(dev->driver);
const struct amba_id *id = amba_lookup(pcdrv->id_table, pcdev);
int ret;
do {
ret = of_clk_set_defaults(dev->of_node, false);
if (ret < 0)
break;
ret = dev_pm_domain_attach(dev, true);
if (ret)
break;
ret = amba_get_enable_pclk(pcdev);
if (ret) {
dev_pm_domain_detach(dev, true);
break;
}
pm_runtime_get_noresume(dev);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
ret = pcdrv->probe(pcdev, id);
if (ret == 0)
break;
pm_runtime_disable(dev);
pm_runtime_set_suspended(dev);
pm_runtime_put_noidle(dev);
amba_put_disable_pclk(pcdev);
dev_pm_domain_detach(dev, true);
} while (0);
return ret;
}
static int amba_remove(struct device *dev)
{
struct amba_device *pcdev = to_amba_device(dev);
struct amba_driver *drv = to_amba_driver(dev->driver);
pm_runtime_get_sync(dev);
if (drv->remove)
drv->remove(pcdev);
pm_runtime_put_noidle(dev);
/* Undo the runtime PM settings in amba_probe() */
pm_runtime_disable(dev);
pm_runtime_set_suspended(dev);
pm_runtime_put_noidle(dev);
amba_put_disable_pclk(pcdev);
dev_pm_domain_detach(dev, true);
return 0;
}
static void amba_shutdown(struct device *dev)
{
struct amba_driver *drv;
if (!dev->driver)
return;
drv = to_amba_driver(dev->driver);
if (drv->shutdown)
drv->shutdown(to_amba_device(dev));
}
#ifdef CONFIG_PM
/*
* Hooks to provide runtime PM of the pclk (bus clock). It is safe to
@ -217,6 +317,9 @@ struct bus_type amba_bustype = {
.dev_groups = amba_dev_groups,
.match = amba_match,
.uevent = amba_uevent,
.probe = amba_probe,
.remove = amba_remove,
.shutdown = amba_shutdown,
.dma_configure = platform_dma_configure,
.pm = &amba_pm,
};
@ -229,99 +332,6 @@ static int __init amba_init(void)
postcore_initcall(amba_init);
static int amba_get_enable_pclk(struct amba_device *pcdev)
{
int ret;
pcdev->pclk = clk_get(&pcdev->dev, "apb_pclk");
if (IS_ERR(pcdev->pclk))
return PTR_ERR(pcdev->pclk);
ret = clk_prepare_enable(pcdev->pclk);
if (ret)
clk_put(pcdev->pclk);
return ret;
}
static void amba_put_disable_pclk(struct amba_device *pcdev)
{
clk_disable_unprepare(pcdev->pclk);
clk_put(pcdev->pclk);
}
/*
* These are the device model conversion veneers; they convert the
* device model structures to our more specific structures.
*/
static int amba_probe(struct device *dev)
{
struct amba_device *pcdev = to_amba_device(dev);
struct amba_driver *pcdrv = to_amba_driver(dev->driver);
const struct amba_id *id = amba_lookup(pcdrv->id_table, pcdev);
int ret;
do {
ret = of_clk_set_defaults(dev->of_node, false);
if (ret < 0)
break;
ret = dev_pm_domain_attach(dev, true);
if (ret)
break;
ret = amba_get_enable_pclk(pcdev);
if (ret) {
dev_pm_domain_detach(dev, true);
break;
}
pm_runtime_get_noresume(dev);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
ret = pcdrv->probe(pcdev, id);
if (ret == 0)
break;
pm_runtime_disable(dev);
pm_runtime_set_suspended(dev);
pm_runtime_put_noidle(dev);
amba_put_disable_pclk(pcdev);
dev_pm_domain_detach(dev, true);
} while (0);
return ret;
}
static int amba_remove(struct device *dev)
{
struct amba_device *pcdev = to_amba_device(dev);
struct amba_driver *drv = to_amba_driver(dev->driver);
int ret;
pm_runtime_get_sync(dev);
ret = drv->remove(pcdev);
pm_runtime_put_noidle(dev);
/* Undo the runtime PM settings in amba_probe() */
pm_runtime_disable(dev);
pm_runtime_set_suspended(dev);
pm_runtime_put_noidle(dev);
amba_put_disable_pclk(pcdev);
dev_pm_domain_detach(dev, true);
return ret;
}
static void amba_shutdown(struct device *dev)
{
struct amba_driver *drv = to_amba_driver(dev->driver);
drv->shutdown(to_amba_device(dev));
}
/**
* amba_driver_register - register an AMBA device driver
* @drv: amba device driver structure
@ -332,12 +342,10 @@ static void amba_shutdown(struct device *dev)
*/
int amba_driver_register(struct amba_driver *drv)
{
drv->drv.bus = &amba_bustype;
if (!drv->probe)
return -EINVAL;
#define SETFN(fn) if (drv->fn) drv->drv.fn = amba_##fn
SETFN(probe);
SETFN(remove);
SETFN(shutdown);
drv->drv.bus = &amba_bustype;
return driver_register(&drv->drv);
}

3
drivers/char/hw_random/nomadik-rng.c
View File

@ -69,11 +69,10 @@ out_clk:
return ret;
}
static int nmk_rng_remove(struct amba_device *dev)
static void nmk_rng_remove(struct amba_device *dev)
{
amba_release_regions(dev);
clk_disable(rng_clk);
return 0;
}
static const struct amba_id nmk_rng_ids[] = {

3
drivers/dma/pl330.c
View File

@ -3195,7 +3195,7 @@ probe_err2:
return ret;
}
static int pl330_remove(struct amba_device *adev)
static void pl330_remove(struct amba_device *adev)
{
struct pl330_dmac *pl330 = amba_get_drvdata(adev);
struct dma_pl330_chan *pch, *_p;
@ -3235,7 +3235,6 @@ static int pl330_remove(struct amba_device *adev)
if (pl330->rstc)
reset_control_assert(pl330->rstc);
return 0;
}
static const struct amba_id pl330_ids[] = {

4
drivers/gpu/drm/pl111/pl111_drv.c
View File

@ -320,7 +320,7 @@ dev_put:
return ret;
}
static int pl111_amba_remove(struct amba_device *amba_dev)
static void pl111_amba_remove(struct amba_device *amba_dev)
{
struct device *dev = &amba_dev->dev;
struct drm_device *drm = amba_get_drvdata(amba_dev);
@ -331,8 +331,6 @@ static int pl111_amba_remove(struct amba_device *amba_dev)
drm_panel_bridge_remove(priv->bridge);
drm_dev_put(drm);
of_reserved_mem_device_release(dev);
return 0;
}
/*

3
drivers/hwtracing/coresight/coresight-catu.c
View File

@ -567,12 +567,11 @@ out:
return ret;
}
static int catu_remove(struct amba_device *adev)
static void catu_remove(struct amba_device *adev)
{
struct catu_drvdata *drvdata = dev_get_drvdata(&adev->dev);
coresight_unregister(drvdata->csdev);
return 0;
}
static struct amba_id catu_ids[] = {

4
drivers/hwtracing/coresight/coresight-cpu-debug.c
View File

@ -627,7 +627,7 @@ err:
return ret;
}
static int debug_remove(struct amba_device *adev)
static void debug_remove(struct amba_device *adev)
{
struct device *dev = &adev->dev;
struct debug_drvdata *drvdata = amba_get_drvdata(adev);
@ -642,8 +642,6 @@ static int debug_remove(struct amba_device *adev)
if (!--debug_count)
debug_func_exit();
return 0;
}
static const struct amba_cs_uci_id uci_id_debug[] = {

4
drivers/hwtracing/coresight/coresight-cti-core.c
View File

@ -836,7 +836,7 @@ static void cti_device_release(struct device *dev)
if (drvdata->csdev_release)
drvdata->csdev_release(dev);
}
static int cti_remove(struct amba_device *adev)
static void cti_remove(struct amba_device *adev)
{
struct cti_drvdata *drvdata = dev_get_drvdata(&adev->dev);
@ -845,8 +845,6 @@ static int cti_remove(struct amba_device *adev)
mutex_unlock(&ect_mutex);
coresight_unregister(drvdata->csdev);
return 0;
}
static int cti_probe(struct amba_device *adev, const struct amba_id *id)

4
drivers/hwtracing/coresight/coresight-etb10.c
View File

@ -803,7 +803,7 @@ err_misc_register:
return ret;
}
static int etb_remove(struct amba_device *adev)
static void etb_remove(struct amba_device *adev)
{
struct etb_drvdata *drvdata = dev_get_drvdata(&adev->dev);
@ -814,8 +814,6 @@ static int etb_remove(struct amba_device *adev)
*/
misc_deregister(&drvdata->miscdev);
coresight_unregister(drvdata->csdev);
return 0;
}
#ifdef CONFIG_PM

4
drivers/hwtracing/coresight/coresight-etm3x-core.c
View File

@ -909,7 +909,7 @@ static void clear_etmdrvdata(void *info)
etmdrvdata[cpu] = NULL;
}
static int etm_remove(struct amba_device *adev)
static void etm_remove(struct amba_device *adev)
{
struct etm_drvdata *drvdata = dev_get_drvdata(&adev->dev);
@ -932,8 +932,6 @@ static int etm_remove(struct amba_device *adev)
cpus_read_unlock();
coresight_unregister(drvdata->csdev);
return 0;
}
#ifdef CONFIG_PM

4
drivers/hwtracing/coresight/coresight-etm4x-core.c
View File

@ -1680,7 +1680,7 @@ static void clear_etmdrvdata(void *info)
etmdrvdata[cpu] = NULL;
}
static int etm4_remove(struct amba_device *adev)
static void etm4_remove(struct amba_device *adev)
{
struct etmv4_drvdata *drvdata = dev_get_drvdata(&adev->dev);
@ -1703,8 +1703,6 @@ static int etm4_remove(struct amba_device *adev)
cpus_read_unlock();
coresight_unregister(drvdata->csdev);
return 0;
}
static const struct amba_id etm4_ids[] = {

4
drivers/hwtracing/coresight/coresight-funnel.c
View File

@ -370,9 +370,9 @@ static int dynamic_funnel_probe(struct amba_device *adev,
return funnel_probe(&adev->dev, &adev->res);
}
static int dynamic_funnel_remove(struct amba_device *adev)
static void dynamic_funnel_remove(struct amba_device *adev)
{
return funnel_remove(&adev->dev);
funnel_remove(&adev->dev);
}
static const struct amba_id dynamic_funnel_ids[] = {

4
drivers/hwtracing/coresight/coresight-replicator.c
View File

@ -388,9 +388,9 @@ static int dynamic_replicator_probe(struct amba_device *adev,
return replicator_probe(&adev->dev, &adev->res);
}
static int dynamic_replicator_remove(struct amba_device *adev)
static void dynamic_replicator_remove(struct amba_device *adev)
{
return replicator_remove(&adev->dev);
replicator_remove(&adev->dev);
}
static const struct amba_id dynamic_replicator_ids[] = {

4
drivers/hwtracing/coresight/coresight-stm.c
View File

@ -951,15 +951,13 @@ stm_unregister:
return ret;
}
static int stm_remove(struct amba_device *adev)
static void stm_remove(struct amba_device *adev)
{
struct stm_drvdata *drvdata = dev_get_drvdata(&adev->dev);
coresight_unregister(drvdata->csdev);
stm_unregister_device(&drvdata->stm);
return 0;
}
#ifdef CONFIG_PM

4
drivers/hwtracing/coresight/coresight-tmc-core.c
View File

@ -559,7 +559,7 @@ out:
spin_unlock_irqrestore(&drvdata->spinlock, flags);
}
static int tmc_remove(struct amba_device *adev)
static void tmc_remove(struct amba_device *adev)
{
struct tmc_drvdata *drvdata = dev_get_drvdata(&adev->dev);
@ -570,8 +570,6 @@ static int tmc_remove(struct amba_device *adev)
*/
misc_deregister(&drvdata->miscdev);
coresight_unregister(drvdata->csdev);
return 0;
}
static const struct amba_id tmc_ids[] = {

4
drivers/hwtracing/coresight/coresight-tpiu.c
View File

@ -173,13 +173,11 @@ static int tpiu_probe(struct amba_device *adev, const struct amba_id *id)
return PTR_ERR(drvdata->csdev);
}
static int tpiu_remove(struct amba_device *adev)
static void tpiu_remove(struct amba_device *adev)
{
struct tpiu_drvdata *drvdata = dev_get_drvdata(&adev->dev);
coresight_unregister(drvdata->csdev);
return 0;
}
#ifdef CONFIG_PM

4
drivers/i2c/busses/i2c-nomadik.c
View File

@ -1055,7 +1055,7 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
return ret;
}
static int nmk_i2c_remove(struct amba_device *adev)
static void nmk_i2c_remove(struct amba_device *adev)
{
struct resource *res = &adev->res;
struct nmk_i2c_dev *dev = amba_get_drvdata(adev);
@ -1068,8 +1068,6 @@ static int nmk_i2c_remove(struct amba_device *adev)
i2c_clr_bit(dev->virtbase + I2C_CR, I2C_CR_PE);
clk_disable_unprepare(dev->clk);
release_mem_region(res->start, resource_size(res));
return 0;
}
static struct i2c_vendor_data vendor_stn8815 = {

3
drivers/input/serio/ambakmi.c
View File

@ -159,7 +159,7 @@ static int amba_kmi_probe(struct amba_device *dev,
return ret;
}
static int amba_kmi_remove(struct amba_device *dev)
static void amba_kmi_remove(struct amba_device *dev)
{
struct amba_kmi_port *kmi = amba_get_drvdata(dev);
@ -168,7 +168,6 @@ static int amba_kmi_remove(struct amba_device *dev)
iounmap(kmi->base);
kfree(kmi);
amba_release_regions(dev);
return 0;
}
static int __maybe_unused amba_kmi_resume(struct device *dev)

4
drivers/mailbox/arm_mhuv2.c
View File

@ -1095,14 +1095,12 @@ static int mhuv2_probe(struct amba_device *adev, const struct amba_id *id)
return ret;
}
static int mhuv2_remove(struct amba_device *adev)
static void mhuv2_remove(struct amba_device *adev)
{
struct mhuv2 *mhu = amba_get_drvdata(adev);
if (mhu->frame == SENDER_FRAME)
writel_relaxed(0x0, &mhu->send->access_request);
return 0;
}
static struct amba_id mhuv2_ids[] = {

4
drivers/memory/pl172.c
View File

@ -273,14 +273,12 @@ err_clk_enable:
return ret;
}
static int pl172_remove(struct amba_device *adev)
static void pl172_remove(struct amba_device *adev)
{
struct pl172_data *pl172 = amba_get_drvdata(adev);
clk_disable_unprepare(pl172->clk);
amba_release_regions(adev);
return 0;
}
static const struct amba_id pl172_ids[] = {

4
drivers/memory/pl353-smc.c
View File

@ -426,14 +426,12 @@ out_clk_dis_aper:
return err;
}
static int pl353_smc_remove(struct amba_device *adev)
static void pl353_smc_remove(struct amba_device *adev)
{
struct pl353_smc_data *pl353_smc = amba_get_drvdata(adev);
clk_disable_unprepare(pl353_smc->memclk);
clk_disable_unprepare(pl353_smc->aclk);
return 0;
}
static const struct amba_id pl353_ids[] = {

4
drivers/mmc/host/mmci.c
View File

@ -2195,7 +2195,7 @@ static int mmci_probe(struct amba_device *dev,
return ret;
}
static int mmci_remove(struct amba_device *dev)
static void mmci_remove(struct amba_device *dev)
{
struct mmc_host *mmc = amba_get_drvdata(dev);
@ -2223,8 +2223,6 @@ static int mmci_remove(struct amba_device *dev)
clk_disable_unprepare(host->clk);
mmc_free_host(mmc);
}
return 0;
}
#ifdef CONFIG_PM

4
drivers/rtc/rtc-pl030.c
View File

@ -137,7 +137,7 @@ static int pl030_probe(struct amba_device *dev, const struct amba_id *id)
return ret;
}
static int pl030_remove(struct amba_device *dev)
static void pl030_remove(struct amba_device *dev)
{
struct pl030_rtc *rtc = amba_get_drvdata(dev);
@ -146,8 +146,6 @@ static int pl030_remove(struct amba_device *dev)
free_irq(dev->irq[0], rtc);
iounmap(rtc->base);
amba_release_regions(dev);
return 0;
}
static struct amba_id pl030_ids[] = {

4
drivers/rtc/rtc-pl031.c
View File

@ -280,7 +280,7 @@ static int pl031_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
return 0;
}
static int pl031_remove(struct amba_device *adev)
static void pl031_remove(struct amba_device *adev)
{
struct pl031_local *ldata = dev_get_drvdata(&adev->dev);
@ -289,8 +289,6 @@ static int pl031_remove(struct amba_device *adev)
if (adev->irq[0])
free_irq(adev->irq[0], ldata);
amba_release_regions(adev);
return 0;
}
static int pl031_probe(struct amba_device *adev, const struct amba_id *id)

5
drivers/spi/spi-pl022.c
View File

@ -2314,13 +2314,13 @@ static int pl022_probe(struct amba_device *adev, const struct amba_id *id)
return status;
}
static int
static void
pl022_remove(struct amba_device *adev)
{
struct pl022 *pl022 = amba_get_drvdata(adev);
if (!pl022)
return 0;
return;
/*
* undo pm_runtime_put() in probe. I assume that we're not
@ -2335,7 +2335,6 @@ pl022_remove(struct amba_device *adev)
clk_disable_unprepare(pl022->clk);
amba_release_regions(adev);
tasklet_disable(&pl022->pump_transfers);
return 0;
}
#ifdef CONFIG_PM_SLEEP

4
drivers/tty/serial/amba-pl010.c
View File

@ -754,7 +754,7 @@ static int pl010_probe(struct amba_device *dev, const struct amba_id *id)
return ret;
}
static int pl010_remove(struct amba_device *dev)
static void pl010_remove(struct amba_device *dev)
{
struct uart_amba_port *uap = amba_get_drvdata(dev);
int i;
@ -770,8 +770,6 @@ static int pl010_remove(struct amba_device *dev)
if (!busy)
uart_unregister_driver(&amba_reg);
return 0;
}
#ifdef CONFIG_PM_SLEEP

3
drivers/tty/serial/amba-pl011.c
View File

@ -2679,13 +2679,12 @@ static int pl011_probe(struct amba_device *dev, const struct amba_id *id)
return pl011_register_port(uap);
}
static int pl011_remove(struct amba_device *dev)
static void pl011_remove(struct amba_device *dev)
{
struct uart_amba_port *uap = amba_get_drvdata(dev);
uart_remove_one_port(&amba_reg, &uap->port);
pl011_unregister_port(uap);
return 0;
}
#ifdef CONFIG_PM_SLEEP

15
drivers/vfio/platform/vfio_amba.c
View File

@ -71,18 +71,13 @@ static int vfio_amba_probe(struct amba_device *adev, const struct amba_id *id)
return ret;
}
static int vfio_amba_remove(struct amba_device *adev)
static void vfio_amba_remove(struct amba_device *adev)
{
struct vfio_platform_device *vdev;
struct vfio_platform_device *vdev =
vfio_platform_remove_common(&adev->dev);
vdev = vfio_platform_remove_common(&adev->dev);
if (vdev) {
kfree(vdev->name);
kfree(vdev);
return 0;
}
return -EINVAL;
kfree(vdev->name);
kfree(vdev);
}
static const struct amba_id pl330_ids[] = {

4
drivers/video/fbdev/amba-clcd.c
View File

@ -925,7 +925,7 @@ static int clcdfb_probe(struct amba_device *dev, const struct amba_id *id)
return ret;
}
static int clcdfb_remove(struct amba_device *dev)
static void clcdfb_remove(struct amba_device *dev)
{
struct clcd_fb *fb = amba_get_drvdata(dev);
@ -942,8 +942,6 @@ static int clcdfb_remove(struct amba_device *dev)
kfree(fb);
amba_release_regions(dev);
return 0;
}
static const struct amba_id clcdfb_id_table[] = {

4
drivers/watchdog/sp805_wdt.c
View File

@ -305,14 +305,12 @@ err:
return ret;
}
static int sp805_wdt_remove(struct amba_device *adev)
static void sp805_wdt_remove(struct amba_device *adev)
{
struct sp805_wdt *wdt = amba_get_drvdata(adev);
watchdog_unregister_device(&wdt->wdd);
watchdog_set_drvdata(&wdt->wdd, NULL);
return 0;
}
static int __maybe_unused sp805_wdt_suspend(struct device *dev)

2
include/linux/amba/bus.h
View File

@ -76,7 +76,7 @@ struct amba_device {
struct amba_driver {
struct device_driver drv;
int (*probe)(struct amba_device *, const struct amba_id *);
int (*remove)(struct amba_device *);
void (*remove)(struct amba_device *);
void (*shutdown)(struct amba_device *);
const struct amba_id *id_table;
};

4
sound/arm/aaci.c
View File

@ -1055,7 +1055,7 @@ static int aaci_probe(struct amba_device *dev,
return ret;
}
static int aaci_remove(struct amba_device *dev)
static void aaci_remove(struct amba_device *dev)
{
struct snd_card *card = amba_get_drvdata(dev);
@ -1066,8 +1066,6 @@ static int aaci_remove(struct amba_device *dev)
snd_card_free(card);
amba_release_regions(dev);
}
return 0;
}
static struct amba_id aaci_ids[] = {