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Non-urgent fixes for omaps for v5.14 merge window 

Warn and block suspend for am335x unless the PM related modules and
 firmware are loaded and warn otherwise. Otherwise we easily end up
 with a suspended system with nothing capable of waking it up.
 
 We also drop a duplicated prototype for am33xx_init_early().
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Merge tag 'omap-for-v5.14/fixes-not-urgent-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/soc

Non-urgent fixes for omaps for v5.14 merge window

Warn and block suspend for am335x unless the PM related modules and
firmware are loaded and warn otherwise. Otherwise we easily end up
with a suspended system with nothing capable of waking it up.

We also drop a duplicated prototype for am33xx_init_early().

* tag 'omap-for-v5.14/fixes-not-urgent-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Block suspend for am3 and am4 if PM is not configured
  ARM: OMAP2+: remove duplicated prototype
  ARM: dts: dra7: Fix duplicate USB4 target module node
  ARM: OMAP1: ams-delta: remove unused function ams_delta_camera_power
  bus: ti-sysc: Fix flakey idling of uarts and stop using swsup_sidle_act
  bus: ti-sysc: Fix am335x resume hang for usb otg module
  ARM: OMAP2+: Fix build warning when mmc_omap is not built
  ARM: OMAP1: isp1301-omap: Add missing gpiod_add_lookup_table function
  ARM: OMAP1: Fix use of possibly uninitialized irq variable
  bus: ti-sysc: Fix missing quirk flags for sata

Link: https://lore.kernel.org/r/pull-1624002812-396117@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson 2021-06-23 18:45:21 -07:00
Родитель 777cf27fb2 093a474ce1
Коммит 6b4670af9f
13 изменённых файлов: 156 добавлений и 104 удалений
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6
arch/arm/boot/dts/am5718.dtsi
Просмотреть файл

@ -17,17 +17,13 @@
* VCP1, VCP2
* MLB
* ISS
* USB3, USB4
* USB3
*/
&usb3_tm {
status = "disabled";
};
&usb4_tm {
status = "disabled";
};
&atl_tm {
status = "disabled";
};

22
arch/arm/boot/dts/dra7-l4.dtsi
Просмотреть файл

@ -4129,28 +4129,6 @@
};
};
usb4_tm: target-module@140000 { /* 0x48940000, ap 75 3c.0 */
compatible = "ti,sysc-omap4", "ti,sysc";
reg = <0x140000 0x4>,
<0x140010 0x4>;
reg-names = "rev", "sysc";
ti,sysc-mask = <SYSC_OMAP4_DMADISABLE>;
ti,sysc-midle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>,
<SYSC_IDLE_SMART_WKUP>;
ti,sysc-sidle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>,
<SYSC_IDLE_SMART_WKUP>;
/* Domains (P, C): l3init_pwrdm, l3init_clkdm */
clocks = <&l3init_clkctrl DRA7_L3INIT_USB_OTG_SS4_CLKCTRL 0>;
clock-names = "fck";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x0 0x140000 0x20000>;
};
target-module@170000 { /* 0x48970000, ap 21 0a.0 */
compatible = "ti,sysc-omap4", "ti,sysc";
reg = <0x170010 0x4>;

4
arch/arm/boot/dts/dra71x.dtsi
Просмотреть файл

@ -11,7 +11,3 @@
&rtctarget {
status = "disabled";
};
&usb4_tm {
status = "disabled";
};

4
arch/arm/boot/dts/dra72x.dtsi
Просмотреть файл

@ -108,7 +108,3 @@
&pcie2_rc {
compatible = "ti,dra726-pcie-rc", "ti,dra7-pcie";
};
&usb4_tm {
status = "disabled";
};

92
arch/arm/boot/dts/dra74x.dtsi
Просмотреть файл

@ -49,49 +49,6 @@
reg = <0x41500000 0x100>;
};
target-module@48940000 {
compatible = "ti,sysc-omap4", "ti,sysc";
reg = <0x48940000 0x4>,
<0x48940010 0x4>;
reg-names = "rev", "sysc";
ti,sysc-mask = <SYSC_OMAP4_DMADISABLE>;
ti,sysc-midle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>,
<SYSC_IDLE_SMART_WKUP>;
ti,sysc-sidle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>,
<SYSC_IDLE_SMART_WKUP>;
clocks = <&l3init_clkctrl DRA7_L3INIT_USB_OTG_SS4_CLKCTRL 0>;
clock-names = "fck";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x0 0x48940000 0x20000>;
omap_dwc3_4: omap_dwc3_4@0 {
compatible = "ti,dwc3";
reg = <0 0x10000>;
interrupts = <GIC_SPI 346 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <1>;
utmi-mode = <2>;
ranges;
status = "disabled";
usb4: usb@10000 {
compatible = "snps,dwc3";
reg = <0x10000 0x17000>;
interrupts = <GIC_SPI 345 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 345 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 346 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "peripheral",
"host",
"otg";
maximum-speed = "high-speed";
dr_mode = "otg";
};
};
};
target-module@41501000 {
compatible = "ti,sysc-omap2", "ti,sysc";
@ -224,3 +181,52 @@
&pcie2_rc {
compatible = "ti,dra746-pcie-rc", "ti,dra7-pcie";
};
&l4_per3 {
segment@0 {
usb4_tm: target-module@140000 { /* 0x48940000, ap 75 3c.0 */
compatible = "ti,sysc-omap4", "ti,sysc";
reg = <0x140000 0x4>,
<0x140010 0x4>;
reg-names = "rev", "sysc";
ti,sysc-mask = <SYSC_OMAP4_DMADISABLE>;
ti,sysc-midle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>,
<SYSC_IDLE_SMART_WKUP>;
ti,sysc-sidle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>,
<SYSC_IDLE_SMART_WKUP>;
/* Domains (P, C): l3init_pwrdm, l3init_clkdm */
clocks = <&l3init_clkctrl DRA7_L3INIT_USB_OTG_SS4_CLKCTRL 0>;
clock-names = "fck";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x0 0x140000 0x20000>;
omap_dwc3_4: omap_dwc3_4@0 {
compatible = "ti,dwc3";
reg = <0 0x10000>;
interrupts = <GIC_SPI 346 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <1>;
utmi-mode = <2>;
ranges;
status = "disabled";
usb4: usb@10000 {
compatible = "snps,dwc3";
reg = <0x10000 0x17000>;
interrupts = <GIC_SPI 345 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 345 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 346 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "peripheral",
"host",
"otg";
maximum-speed = "high-speed";
dr_mode = "otg";
};
};
};
};
};

14
arch/arm/mach-omap1/board-ams-delta.c
Просмотреть файл

@ -458,20 +458,6 @@ static struct gpiod_lookup_table leds_gpio_table = {
#ifdef CONFIG_LEDS_TRIGGERS
DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
static int ams_delta_camera_power(struct device *dev, int power)
{
/*
* turn on camera LED
*/
if (power)
led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
else
led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
return 0;
}
#else
#define ams_delta_camera_power NULL
#endif
static struct platform_device ams_delta_audio_device = {

4
arch/arm/mach-omap1/board-h2.c
Просмотреть файл

@ -320,7 +320,7 @@ static int tps_setup(struct i2c_client *client, void *context)
{
if (!IS_BUILTIN(CONFIG_TPS65010))
return -ENOSYS;
tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
@ -394,6 +394,8 @@ static void __init h2_init(void)
BUG_ON(gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0);
gpio_direction_input(H2_NAND_RB_GPIO_PIN);
gpiod_add_lookup_table(&isp1301_gpiod_table);
omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
omap_cfg_reg(M8_1610_FLASH_CS2B_WE);

10
arch/arm/mach-omap1/pm.c
Просмотреть файл

@ -655,9 +655,13 @@ static int __init omap_pm_init(void)
irq = INT_7XX_WAKE_UP_REQ;
else if (cpu_is_omap16xx())
irq = INT_1610_WAKE_UP_REQ;
if (request_irq(irq, omap_wakeup_interrupt, 0, "peripheral wakeup",
NULL))
pr_err("Failed to request irq %d (peripheral wakeup)\n", irq);
else
irq = -1;
if (irq >= 0) {
if (request_irq(irq, omap_wakeup_interrupt, 0, "peripheral wakeup", NULL))
pr_err("Failed to request irq %d (peripheral wakeup)\n", irq);
}
/* Program new power ramp-up time
* (0 for most boards since we don't lower voltage when in deep sleep)

2
arch/arm/mach-omap2/board-n8x0.c
Просмотреть файл

@ -322,6 +322,7 @@ static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
static void n8x0_mmc_callback(void *data, u8 card_mask)
{
#ifdef CONFIG_MMC_OMAP
int bit, *openp, index;
if (board_is_n800()) {
@ -339,7 +340,6 @@ static void n8x0_mmc_callback(void *data, u8 card_mask)
else
*openp = 0;
#ifdef CONFIG_MMC_OMAP
omap_mmc_notify_cover_event(mmc_device, index, *openp);
#else
pr_warn("MMC: notify cover event not available\n");

1
arch/arm/mach-omap2/common.h
Просмотреть файл

@ -130,7 +130,6 @@ void am33xx_init_early(void);
void am35xx_init_early(void);
void ti814x_init_early(void);
void ti816x_init_early(void);
void am33xx_init_early(void);
void am43xx_init_early(void);
void am43xx_init_late(void);
void omap4430_init_early(void);

40
arch/arm/mach-omap2/pm33xx-core.c
Просмотреть файл

@ -8,6 +8,7 @@
#include <linux/cpuidle.h>
#include <linux/platform_data/pm33xx.h>
#include <linux/suspend.h>
#include <asm/cpuidle.h>
#include <asm/smp_scu.h>
#include <asm/suspend.h>
@ -324,6 +325,44 @@ static struct am33xx_pm_platform_data *am33xx_pm_get_pdata(void)
return NULL;
}
#ifdef CONFIG_SUSPEND
/*
* Block system suspend initially. Later on pm33xx sets up it's own
* platform_suspend_ops after probe. That depends also on loaded
* wkup_m3_ipc and booted am335x-pm-firmware.elf.
*/
static int amx3_suspend_block(suspend_state_t state)
{
pr_warn("PM not initialized for pm33xx, wkup_m3_ipc, or am335x-pm-firmware.elf\n");
return -EINVAL;
}
static int amx3_pm_valid(suspend_state_t state)
{
switch (state) {
case PM_SUSPEND_STANDBY:
return 1;
default:
return 0;
}
}
static const struct platform_suspend_ops amx3_blocked_pm_ops = {
.begin = amx3_suspend_block,
.valid = amx3_pm_valid,
};
static void __init amx3_block_suspend(void)
{
suspend_set_ops(&amx3_blocked_pm_ops);
}
#else
static inline void amx3_block_suspend(void)
{
}
#endif /* CONFIG_SUSPEND */
int __init amx3_common_pm_init(void)
{
struct am33xx_pm_platform_data *pdata;
@ -337,6 +376,7 @@ int __init amx3_common_pm_init(void)
devinfo.size_data = sizeof(*pdata);
devinfo.id = -1;
platform_device_register_full(&devinfo);
amx3_block_suspend();
return 0;
}

60
drivers/bus/ti-sysc.c
Просмотреть файл

@ -1334,6 +1334,34 @@ err_allow_idle:
return error;
}
static int sysc_reinit_module(struct sysc *ddata, bool leave_enabled)
{
struct device *dev = ddata->dev;
int error;
/* Disable target module if it is enabled */
if (ddata->enabled) {
error = sysc_runtime_suspend(dev);
if (error)
dev_warn(dev, "reinit suspend failed: %i\n", error);
}
/* Enable target module */
error = sysc_runtime_resume(dev);
if (error)
dev_warn(dev, "reinit resume failed: %i\n", error);
if (leave_enabled)
return error;
/* Disable target module if no leave_enabled was set */
error = sysc_runtime_suspend(dev);
if (error)
dev_warn(dev, "reinit suspend failed: %i\n", error);
return error;
}
static int __maybe_unused sysc_noirq_suspend(struct device *dev)
{
struct sysc *ddata;
@ -1344,12 +1372,18 @@ static int __maybe_unused sysc_noirq_suspend(struct device *dev)
(SYSC_QUIRK_LEGACY_IDLE | SYSC_QUIRK_NO_IDLE))
return 0;
return pm_runtime_force_suspend(dev);
if (!ddata->enabled)
return 0;
ddata->needs_resume = 1;
return sysc_runtime_suspend(dev);
}
static int __maybe_unused sysc_noirq_resume(struct device *dev)
{
struct sysc *ddata;
int error = 0;
ddata = dev_get_drvdata(dev);
@ -1357,7 +1391,19 @@ static int __maybe_unused sysc_noirq_resume(struct device *dev)
(SYSC_QUIRK_LEGACY_IDLE | SYSC_QUIRK_NO_IDLE))
return 0;
return pm_runtime_force_resume(dev);
if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_RESUME) {
error = sysc_reinit_module(ddata, ddata->needs_resume);
if (error)
dev_warn(dev, "noirq_resume failed: %i\n", error);
} else if (ddata->needs_resume) {
error = sysc_runtime_resume(dev);
if (error)
dev_warn(dev, "noirq_resume failed: %i\n", error);
}
ddata->needs_resume = 0;
return error;
}
static const struct dev_pm_ops sysc_pm_ops = {
@ -1408,9 +1454,9 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = {
SYSC_QUIRK_SWSUP_SIDLE | SYSC_QUIRK_LEGACY_IDLE),
/* Uarts on omap4 and later */
SYSC_QUIRK("uart", 0, 0x50, 0x54, 0x58, 0x50411e03, 0xffff00ff,
SYSC_QUIRK_SWSUP_SIDLE_ACT | SYSC_QUIRK_LEGACY_IDLE),
SYSC_QUIRK_SWSUP_SIDLE | SYSC_QUIRK_LEGACY_IDLE),
SYSC_QUIRK("uart", 0, 0x50, 0x54, 0x58, 0x47422e03, 0xffffffff,
SYSC_QUIRK_SWSUP_SIDLE_ACT | SYSC_QUIRK_LEGACY_IDLE),
SYSC_QUIRK_SWSUP_SIDLE | SYSC_QUIRK_LEGACY_IDLE),
/* Quirks that need to be set based on the module address */
SYSC_QUIRK("mcpdm", 0x40132000, 0, 0x10, -ENODEV, 0x50000800, 0xffffffff,
@ -1459,6 +1505,8 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = {
SYSC_QUIRK_SWSUP_SIDLE | SYSC_QUIRK_SWSUP_MSTANDBY),
SYSC_QUIRK("tptc", 0, 0, -ENODEV, -ENODEV, 0x40007c00, 0xffffffff,
SYSC_QUIRK_SWSUP_SIDLE | SYSC_QUIRK_SWSUP_MSTANDBY),
SYSC_QUIRK("sata", 0, 0xfc, 0x1100, -ENODEV, 0x5e412000, 0xffffffff,
SYSC_QUIRK_SWSUP_SIDLE | SYSC_QUIRK_SWSUP_MSTANDBY),
SYSC_QUIRK("usb_host_hs", 0, 0, 0x10, 0x14, 0x50700100, 0xffffffff,
SYSC_QUIRK_SWSUP_SIDLE | SYSC_QUIRK_SWSUP_MSTANDBY),
SYSC_QUIRK("usb_host_hs", 0, 0, 0x10, -ENODEV, 0x50700101, 0xffffffff,
@ -1466,7 +1514,8 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = {
SYSC_QUIRK("usb_otg_hs", 0, 0x400, 0x404, 0x408, 0x00000050,
0xffffffff, SYSC_QUIRK_SWSUP_SIDLE | SYSC_QUIRK_SWSUP_MSTANDBY),
SYSC_QUIRK("usb_otg_hs", 0, 0, 0x10, -ENODEV, 0x4ea2080d, 0xffffffff,
SYSC_QUIRK_SWSUP_SIDLE | SYSC_QUIRK_SWSUP_MSTANDBY),
SYSC_QUIRK_SWSUP_SIDLE | SYSC_QUIRK_SWSUP_MSTANDBY |
SYSC_QUIRK_REINIT_ON_RESUME),
SYSC_QUIRK("wdt", 0, 0, 0x10, 0x14, 0x502a0500, 0xfffff0f0,
SYSC_MODULE_QUIRK_WDT),
/* PRUSS on am3, am4 and am5 */
@ -1524,7 +1573,6 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = {
SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x40000400, 0xffffffff, 0),
SYSC_QUIRK("rfbi", 0x4832a800, 0, 0x10, 0x14, 0x00000010, 0xffffffff, 0),
SYSC_QUIRK("rfbi", 0x58002000, 0, 0x10, 0x14, 0x00000010, 0xffffffff, 0),
SYSC_QUIRK("sata", 0, 0xfc, 0x1100, -ENODEV, 0x5e412000, 0xffffffff, 0),
SYSC_QUIRK("scm", 0, 0, 0x10, -ENODEV, 0x40000900, 0xffffffff, 0),
SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x4e8b0100, 0xffffffff, 0),
SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x4f000100, 0xffffffff, 0),

1
include/linux/platform_data/ti-sysc.h
Просмотреть файл

@ -50,6 +50,7 @@ struct sysc_regbits {
s8 emufree_shift;
};
#define SYSC_QUIRK_REINIT_ON_RESUME BIT(27)
#define SYSC_QUIRK_GPMC_DEBUG BIT(26)
#define SYSC_MODULE_QUIRK_ENA_RESETDONE BIT(25)
#define SYSC_MODULE_QUIRK_PRUSS BIT(24)