diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-08-23 16:44:43 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-08-23 16:44:43 -0400 |
| commit | 9e259f9352d52053058a234f7c062c4e4f56dc85 (patch) | |
| tree | bfb1c442e27f95ddb9a04bae2a44ca9e3dd69a85 /drivers | |
| parent | 5563ae9b39c5ba492be1b18f2d72fd43ba549915 (diff) | |
| parent | f0fc40aff6fee100ffbed8328a0df88f8aa75fce (diff) | |
Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM 32-bit SoC platform updates from Olof Johansson:
"Most of the SoC updates in this cycle are cleanups and moves to more
modern infrastructure:
- Davinci was moved to common clock framework
- OMAP1-based Amstrad E3 "Superphone" saw a bunch of cleanups to the
keyboard interface (bitbanged AT keyboard via GPIO).
- Removal of some stale code for Renesas platforms
- Power management improvements for i.MX6LL"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (112 commits)
ARM: uniphier: select RESET_CONTROLLER
arm64: uniphier: select RESET_CONTROLLER
ARM: uniphier: remove empty Makefile
ARM: exynos: Clear global variable on init error path
ARM: exynos: Remove outdated maintainer information
ARM: shmobile: Always enable ARCH_TIMER on SoCs with A7 and/or A15
ARM: shmobile: r8a7779: hide unused r8a7779_platform_cpu_kill
soc: r9a06g032: don't build SMP files for non-SMP config
ARM: shmobile: Add the R9A06G032 SMP enabler driver
ARM: at91: pm: configure wakeup sources for ULP1 mode
ARM: at91: pm: add PMC fast startup registers defines
ARM: at91: pm: Add ULP1 mode support
ARM: at91: pm: Use ULP0 naming instead of slow clock
ARM: hisi: handle of_iomap and fix missing of_node_put
ARM: hisi: check of_iomap and fix missing of_node_put
ARM: hisi: fix error handling and missing of_node_put
ARM: mx5: Set the DBGEN bit in ARM_GPC register
ARM: imx51: Configure M4IF to avoid visual artifacts
ARM: imx: call imx6sx_cpuidle_init() conditionally for 6sll
ARM: imx: fix i.MX6SLL build
...
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/clk/davinci/psc-da830.c | 3 | ||||
| -rw-r--r-- | drivers/clk/davinci/psc-da850.c | 3 | ||||
| -rw-r--r-- | drivers/clk/davinci/psc-dm365.c | 3 | ||||
| -rw-r--r-- | drivers/clk/davinci/psc-dm644x.c | 3 | ||||
| -rw-r--r-- | drivers/clk/davinci/psc-dm646x.c | 3 | ||||
| -rw-r--r-- | drivers/input/serio/ams_delta_serio.c | 198 | ||||
| -rw-r--r-- | drivers/net/ethernet/smsc/smc911x.c | 13 | ||||
| -rw-r--r-- | drivers/net/ethernet/smsc/smc91x.c | 9 | ||||
| -rw-r--r-- | drivers/net/ethernet/smsc/smc91x.h | 1 | ||||
| -rw-r--r-- | drivers/soc/renesas/Makefile | 3 | ||||
| -rw-r--r-- | drivers/soc/renesas/r9a06g032-smp.c | 96 | ||||
| -rw-r--r-- | drivers/soc/renesas/rcar-sysc.c | 64 | ||||
| -rw-r--r-- | drivers/soc/ti/pm33xx.c | 16 |
13 files changed, 268 insertions, 147 deletions
diff --git a/drivers/clk/davinci/psc-da830.c b/drivers/clk/davinci/psc-da830.c index 081b039fcb02..6481337382a6 100644 --- a/drivers/clk/davinci/psc-da830.c +++ b/drivers/clk/davinci/psc-da830.c | |||
| @@ -14,6 +14,7 @@ | |||
| 14 | 14 | ||
| 15 | #include "psc.h" | 15 | #include "psc.h" |
| 16 | 16 | ||
| 17 | LPSC_CLKDEV1(aemif_clkdev, NULL, "ti-aemif"); | ||
| 17 | LPSC_CLKDEV1(spi0_clkdev, NULL, "spi_davinci.0"); | 18 | LPSC_CLKDEV1(spi0_clkdev, NULL, "spi_davinci.0"); |
| 18 | LPSC_CLKDEV1(mmcsd_clkdev, NULL, "da830-mmc.0"); | 19 | LPSC_CLKDEV1(mmcsd_clkdev, NULL, "da830-mmc.0"); |
| 19 | LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); | 20 | LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); |
| @@ -22,7 +23,7 @@ static const struct davinci_lpsc_clk_info da830_psc0_info[] = { | |||
| 22 | LPSC(0, 0, tpcc, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), | 23 | LPSC(0, 0, tpcc, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), |
| 23 | LPSC(1, 0, tptc0, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), | 24 | LPSC(1, 0, tptc0, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), |
| 24 | LPSC(2, 0, tptc1, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), | 25 | LPSC(2, 0, tptc1, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), |
| 25 | LPSC(3, 0, aemif, pll0_sysclk3, NULL, LPSC_ALWAYS_ENABLED), | 26 | LPSC(3, 0, aemif, pll0_sysclk3, aemif_clkdev, LPSC_ALWAYS_ENABLED), |
| 26 | LPSC(4, 0, spi0, pll0_sysclk2, spi0_clkdev, 0), | 27 | LPSC(4, 0, spi0, pll0_sysclk2, spi0_clkdev, 0), |
| 27 | LPSC(5, 0, mmcsd, pll0_sysclk2, mmcsd_clkdev, 0), | 28 | LPSC(5, 0, mmcsd, pll0_sysclk2, mmcsd_clkdev, 0), |
| 28 | LPSC(6, 0, aintc, pll0_sysclk4, NULL, LPSC_ALWAYS_ENABLED), | 29 | LPSC(6, 0, aintc, pll0_sysclk4, NULL, LPSC_ALWAYS_ENABLED), |
diff --git a/drivers/clk/davinci/psc-da850.c b/drivers/clk/davinci/psc-da850.c index d196dcbed560..5a18bca464cd 100644 --- a/drivers/clk/davinci/psc-da850.c +++ b/drivers/clk/davinci/psc-da850.c | |||
| @@ -16,8 +16,7 @@ | |||
| 16 | 16 | ||
| 17 | #include "psc.h" | 17 | #include "psc.h" |
| 18 | 18 | ||
| 19 | LPSC_CLKDEV2(emifa_clkdev, NULL, "ti-aemif", | 19 | LPSC_CLKDEV1(emifa_clkdev, NULL, "ti-aemif"); |
| 20 | "aemif", "davinci_nand.0"); | ||
| 21 | LPSC_CLKDEV1(spi0_clkdev, NULL, "spi_davinci.0"); | 20 | LPSC_CLKDEV1(spi0_clkdev, NULL, "spi_davinci.0"); |
| 22 | LPSC_CLKDEV1(mmcsd0_clkdev, NULL, "da830-mmc.0"); | 21 | LPSC_CLKDEV1(mmcsd0_clkdev, NULL, "da830-mmc.0"); |
| 23 | LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); | 22 | LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); |
diff --git a/drivers/clk/davinci/psc-dm365.c b/drivers/clk/davinci/psc-dm365.c index 8c73086cc676..c75424f4ea3b 100644 --- a/drivers/clk/davinci/psc-dm365.c +++ b/drivers/clk/davinci/psc-dm365.c | |||
| @@ -21,7 +21,8 @@ LPSC_CLKDEV1(mmcsd1_clkdev, NULL, "da830-mmc.1"); | |||
| 21 | LPSC_CLKDEV1(asp0_clkdev, NULL, "davinci-mcbsp"); | 21 | LPSC_CLKDEV1(asp0_clkdev, NULL, "davinci-mcbsp"); |
| 22 | LPSC_CLKDEV1(usb_clkdev, "usb", NULL); | 22 | LPSC_CLKDEV1(usb_clkdev, "usb", NULL); |
| 23 | LPSC_CLKDEV1(spi2_clkdev, NULL, "spi_davinci.2"); | 23 | LPSC_CLKDEV1(spi2_clkdev, NULL, "spi_davinci.2"); |
| 24 | LPSC_CLKDEV1(aemif_clkdev, "aemif", NULL); | 24 | LPSC_CLKDEV2(aemif_clkdev, "aemif", NULL, |
| 25 | NULL, "ti-aemif"); | ||
| 25 | LPSC_CLKDEV1(mmcsd0_clkdev, NULL, "da830-mmc.0"); | 26 | LPSC_CLKDEV1(mmcsd0_clkdev, NULL, "da830-mmc.0"); |
| 26 | LPSC_CLKDEV1(i2c_clkdev, NULL, "i2c_davinci.1"); | 27 | LPSC_CLKDEV1(i2c_clkdev, NULL, "i2c_davinci.1"); |
| 27 | LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); | 28 | LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); |
diff --git a/drivers/clk/davinci/psc-dm644x.c b/drivers/clk/davinci/psc-dm644x.c index fc0230e3a3d6..0cea6e0bd5f0 100644 --- a/drivers/clk/davinci/psc-dm644x.c +++ b/drivers/clk/davinci/psc-dm644x.c | |||
| @@ -21,7 +21,8 @@ LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1", | |||
| 21 | "fck", "davinci_mdio.0"); | 21 | "fck", "davinci_mdio.0"); |
| 22 | LPSC_CLKDEV1(usb_clkdev, "usb", NULL); | 22 | LPSC_CLKDEV1(usb_clkdev, "usb", NULL); |
| 23 | LPSC_CLKDEV1(ide_clkdev, NULL, "palm_bk3710"); | 23 | LPSC_CLKDEV1(ide_clkdev, NULL, "palm_bk3710"); |
| 24 | LPSC_CLKDEV1(aemif_clkdev, "aemif", NULL); | 24 | LPSC_CLKDEV2(aemif_clkdev, "aemif", NULL, |
| 25 | NULL, "ti-aemif"); | ||
| 25 | LPSC_CLKDEV1(mmcsd_clkdev, NULL, "dm6441-mmc.0"); | 26 | LPSC_CLKDEV1(mmcsd_clkdev, NULL, "dm6441-mmc.0"); |
| 26 | LPSC_CLKDEV1(asp0_clkdev, NULL, "davinci-mcbsp"); | 27 | LPSC_CLKDEV1(asp0_clkdev, NULL, "davinci-mcbsp"); |
| 27 | LPSC_CLKDEV1(i2c_clkdev, NULL, "i2c_davinci.1"); | 28 | LPSC_CLKDEV1(i2c_clkdev, NULL, "i2c_davinci.1"); |
diff --git a/drivers/clk/davinci/psc-dm646x.c b/drivers/clk/davinci/psc-dm646x.c index c3f82ed70a80..20012dc7471a 100644 --- a/drivers/clk/davinci/psc-dm646x.c +++ b/drivers/clk/davinci/psc-dm646x.c | |||
| @@ -18,7 +18,8 @@ | |||
| 18 | LPSC_CLKDEV1(ide_clkdev, NULL, "palm_bk3710"); | 18 | LPSC_CLKDEV1(ide_clkdev, NULL, "palm_bk3710"); |
| 19 | LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1", | 19 | LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1", |
| 20 | "fck", "davinci_mdio.0"); | 20 | "fck", "davinci_mdio.0"); |
| 21 | LPSC_CLKDEV1(aemif_clkdev, "aemif", NULL); | 21 | LPSC_CLKDEV2(aemif_clkdev, "aemif", NULL, |
| 22 | NULL, "ti-aemif"); | ||
| 22 | LPSC_CLKDEV1(mcasp0_clkdev, NULL, "davinci-mcasp.0"); | 23 | LPSC_CLKDEV1(mcasp0_clkdev, NULL, "davinci-mcasp.0"); |
| 23 | LPSC_CLKDEV1(mcasp1_clkdev, NULL, "davinci-mcasp.1"); | 24 | LPSC_CLKDEV1(mcasp1_clkdev, NULL, "davinci-mcasp.1"); |
| 24 | LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); | 25 | LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); |
diff --git a/drivers/input/serio/ams_delta_serio.c b/drivers/input/serio/ams_delta_serio.c index 3df501c3421b..f8663d7891f2 100644 --- a/drivers/input/serio/ams_delta_serio.c +++ b/drivers/input/serio/ams_delta_serio.c | |||
| @@ -20,32 +20,33 @@ | |||
| 20 | * However, when used with the E3 mailboard that producecs non-standard | 20 | * However, when used with the E3 mailboard that producecs non-standard |
| 21 | * scancodes, a custom key table must be prepared and loaded from userspace. | 21 | * scancodes, a custom key table must be prepared and loaded from userspace. |
| 22 | */ | 22 | */ |
| 23 | #include <linux/gpio.h> | ||
| 24 | #include <linux/irq.h> | 23 | #include <linux/irq.h> |
| 24 | #include <linux/platform_data/ams-delta-fiq.h> | ||
| 25 | #include <linux/platform_device.h> | ||
| 26 | #include <linux/regulator/consumer.h> | ||
| 25 | #include <linux/serio.h> | 27 | #include <linux/serio.h> |
| 26 | #include <linux/slab.h> | 28 | #include <linux/slab.h> |
| 27 | #include <linux/module.h> | 29 | #include <linux/module.h> |
| 28 | 30 | ||
| 29 | #include <asm/mach-types.h> | 31 | #define DRIVER_NAME "ams-delta-serio" |
| 30 | #include <mach/board-ams-delta.h> | ||
| 31 | |||
| 32 | #include <mach/ams-delta-fiq.h> | ||
| 33 | 32 | ||
| 34 | MODULE_AUTHOR("Matt Callow"); | 33 | MODULE_AUTHOR("Matt Callow"); |
| 35 | MODULE_DESCRIPTION("AMS Delta (E3) keyboard port driver"); | 34 | MODULE_DESCRIPTION("AMS Delta (E3) keyboard port driver"); |
| 36 | MODULE_LICENSE("GPL"); | 35 | MODULE_LICENSE("GPL"); |
| 37 | 36 | ||
| 38 | static struct serio *ams_delta_serio; | 37 | struct ams_delta_serio { |
| 38 | struct serio *serio; | ||
| 39 | struct regulator *vcc; | ||
| 40 | unsigned int *fiq_buffer; | ||
| 41 | }; | ||
| 39 | 42 | ||
| 40 | static int check_data(int data) | 43 | static int check_data(struct serio *serio, int data) |
| 41 | { | 44 | { |
| 42 | int i, parity = 0; | 45 | int i, parity = 0; |
| 43 | 46 | ||
| 44 | /* check valid stop bit */ | 47 | /* check valid stop bit */ |
| 45 | if (!(data & 0x400)) { | 48 | if (!(data & 0x400)) { |
| 46 | dev_warn(&ams_delta_serio->dev, | 49 | dev_warn(&serio->dev, "invalid stop bit, data=0x%X\n", data); |
| 47 | "invalid stop bit, data=0x%X\n", | ||
| 48 | data); | ||
| 49 | return SERIO_FRAME; | 50 | return SERIO_FRAME; |
| 50 | } | 51 | } |
| 51 | /* calculate the parity */ | 52 | /* calculate the parity */ |
| @@ -55,9 +56,9 @@ static int check_data(int data) | |||
| 55 | } | 56 | } |
| 56 | /* it should be odd */ | 57 | /* it should be odd */ |
| 57 | if (!(parity & 0x01)) { | 58 | if (!(parity & 0x01)) { |
| 58 | dev_warn(&ams_delta_serio->dev, | 59 | dev_warn(&serio->dev, |
| 59 | "parity check failed, data=0x%X parity=0x%X\n", | 60 | "parity check failed, data=0x%X parity=0x%X\n", data, |
| 60 | data, parity); | 61 | parity); |
| 61 | return SERIO_PARITY; | 62 | return SERIO_PARITY; |
| 62 | } | 63 | } |
| 63 | return 0; | 64 | return 0; |
| @@ -65,127 +66,130 @@ static int check_data(int data) | |||
| 65 | 66 | ||
| 66 | static irqreturn_t ams_delta_serio_interrupt(int irq, void *dev_id) | 67 | static irqreturn_t ams_delta_serio_interrupt(int irq, void *dev_id) |
| 67 | { | 68 | { |
| 68 | int *circ_buff = &fiq_buffer[FIQ_CIRC_BUFF]; | 69 | struct ams_delta_serio *priv = dev_id; |
| 70 | int *circ_buff = &priv->fiq_buffer[FIQ_CIRC_BUFF]; | ||
| 69 | int data, dfl; | 71 | int data, dfl; |
| 70 | u8 scancode; | 72 | u8 scancode; |
| 71 | 73 | ||
| 72 | fiq_buffer[FIQ_IRQ_PEND] = 0; | 74 | priv->fiq_buffer[FIQ_IRQ_PEND] = 0; |
| 73 | 75 | ||
| 74 | /* | 76 | /* |
| 75 | * Read data from the circular buffer, check it | 77 | * Read data from the circular buffer, check it |
| 76 | * and then pass it on the serio | 78 | * and then pass it on the serio |
| 77 | */ | 79 | */ |
| 78 | while (fiq_buffer[FIQ_KEYS_CNT] > 0) { | 80 | while (priv->fiq_buffer[FIQ_KEYS_CNT] > 0) { |
| 79 | 81 | ||
| 80 | data = circ_buff[fiq_buffer[FIQ_HEAD_OFFSET]++]; | 82 | data = circ_buff[priv->fiq_buffer[FIQ_HEAD_OFFSET]++]; |
| 81 | fiq_buffer[FIQ_KEYS_CNT]--; | 83 | priv->fiq_buffer[FIQ_KEYS_CNT]--; |
| 82 | if (fiq_buffer[FIQ_HEAD_OFFSET] == fiq_buffer[FIQ_BUF_LEN]) | 84 | if (priv->fiq_buffer[FIQ_HEAD_OFFSET] == |
| 83 | fiq_buffer[FIQ_HEAD_OFFSET] = 0; | 85 | priv->fiq_buffer[FIQ_BUF_LEN]) |
| 86 | priv->fiq_buffer[FIQ_HEAD_OFFSET] = 0; | ||
| 84 | 87 | ||
| 85 | dfl = check_data(data); | 88 | dfl = check_data(priv->serio, data); |
| 86 | scancode = (u8) (data >> 1) & 0xFF; | 89 | scancode = (u8) (data >> 1) & 0xFF; |
| 87 | serio_interrupt(ams_delta_serio, scancode, dfl); | 90 | serio_interrupt(priv->serio, scancode, dfl); |
| 88 | } | 91 | } |
| 89 | return IRQ_HANDLED; | 92 | return IRQ_HANDLED; |
| 90 | } | 93 | } |
| 91 | 94 | ||
| 92 | static int ams_delta_serio_open(struct serio *serio) | 95 | static int ams_delta_serio_open(struct serio *serio) |
| 93 | { | 96 | { |
| 94 | /* enable keyboard */ | 97 | struct ams_delta_serio *priv = serio->port_data; |
| 95 | gpio_set_value(AMS_DELTA_GPIO_PIN_KEYBRD_PWR, 1); | ||
| 96 | 98 | ||
| 97 | return 0; | 99 | /* enable keyboard */ |
| 100 | return regulator_enable(priv->vcc); | ||
| 98 | } | 101 | } |
| 99 | 102 | ||
| 100 | static void ams_delta_serio_close(struct serio *serio) | 103 | static void ams_delta_serio_close(struct serio *serio) |
| 101 | { | 104 | { |
| 105 | struct ams_delta_serio *priv = serio->port_data; | ||
| 106 | |||
| 102 | /* disable keyboard */ | 107 | /* disable keyboard */ |
| 103 | gpio_set_value(AMS_DELTA_GPIO_PIN_KEYBRD_PWR, 0); | 108 | regulator_disable(priv->vcc); |
| 104 | } | 109 | } |
| 105 | 110 | ||
| 106 | static const struct gpio ams_delta_gpios[] __initconst_or_module = { | 111 | static int ams_delta_serio_init(struct platform_device *pdev) |
| 107 | { | ||
| 108 | .gpio = AMS_DELTA_GPIO_PIN_KEYBRD_DATA, | ||
| 109 | .flags = GPIOF_DIR_IN, | ||
| 110 | .label = "serio-data", | ||
| 111 | }, | ||
| 112 | { | ||
| 113 | .gpio = AMS_DELTA_GPIO_PIN_KEYBRD_CLK, | ||
| 114 | .flags = GPIOF_DIR_IN, | ||
| 115 | .label = "serio-clock", | ||
| 116 | }, | ||
| 117 | { | ||
| 118 | .gpio = AMS_DELTA_GPIO_PIN_KEYBRD_PWR, | ||
| 119 | .flags = GPIOF_OUT_INIT_LOW, | ||
| 120 | .label = "serio-power", | ||
| 121 | }, | ||
| 122 | { | ||
| 123 | .gpio = AMS_DELTA_GPIO_PIN_KEYBRD_DATAOUT, | ||
| 124 | .flags = GPIOF_OUT_INIT_LOW, | ||
| 125 | .label = "serio-dataout", | ||
| 126 | }, | ||
| 127 | }; | ||
| 128 | |||
| 129 | static int __init ams_delta_serio_init(void) | ||
| 130 | { | 112 | { |
| 131 | int err; | 113 | struct ams_delta_serio *priv; |
| 132 | 114 | struct serio *serio; | |
| 133 | if (!machine_is_ams_delta()) | 115 | int irq, err; |
| 134 | return -ENODEV; | ||
| 135 | 116 | ||
| 136 | ams_delta_serio = kzalloc(sizeof(struct serio), GFP_KERNEL); | 117 | priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); |
| 137 | if (!ams_delta_serio) | 118 | if (!priv) |
| 138 | return -ENOMEM; | 119 | return -ENOMEM; |
| 139 | 120 | ||
| 140 | ams_delta_serio->id.type = SERIO_8042; | 121 | priv->fiq_buffer = pdev->dev.platform_data; |
| 141 | ams_delta_serio->open = ams_delta_serio_open; | 122 | if (!priv->fiq_buffer) |
| 142 | ams_delta_serio->close = ams_delta_serio_close; | 123 | return -EINVAL; |
| 143 | strlcpy(ams_delta_serio->name, "AMS DELTA keyboard adapter", | 124 | |
| 144 | sizeof(ams_delta_serio->name)); | 125 | priv->vcc = devm_regulator_get(&pdev->dev, "vcc"); |
| 145 | strlcpy(ams_delta_serio->phys, "GPIO/serio0", | 126 | if (IS_ERR(priv->vcc)) { |
| 146 | sizeof(ams_delta_serio->phys)); | 127 | err = PTR_ERR(priv->vcc); |
| 147 | 128 | dev_err(&pdev->dev, "regulator request failed (%d)\n", err); | |
| 148 | err = gpio_request_array(ams_delta_gpios, | 129 | /* |
| 149 | ARRAY_SIZE(ams_delta_gpios)); | 130 | * When running on a non-dt platform and requested regulator |
| 150 | if (err) { | 131 | * is not available, devm_regulator_get() never returns |
| 151 | pr_err("ams_delta_serio: Couldn't request gpio pins\n"); | 132 | * -EPROBE_DEFER as it is not able to justify if the regulator |
| 152 | goto serio; | 133 | * may still appear later. On the other hand, the board can |
| 134 | * still set full constriants flag at late_initcall in order | ||
| 135 | * to instruct devm_regulator_get() to returnn a dummy one | ||
| 136 | * if sufficient. Hence, if we get -ENODEV here, let's convert | ||
| 137 | * it to -EPROBE_DEFER and wait for the board to decide or | ||
| 138 | * let Deferred Probe infrastructure handle this error. | ||
| 139 | */ | ||
| 140 | if (err == -ENODEV) | ||
| 141 | err = -EPROBE_DEFER; | ||
| 142 | return err; | ||
| 153 | } | 143 | } |
| 154 | 144 | ||
| 155 | err = request_irq(gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK), | 145 | irq = platform_get_irq(pdev, 0); |
| 156 | ams_delta_serio_interrupt, IRQ_TYPE_EDGE_RISING, | 146 | if (irq < 0) |
| 157 | "ams-delta-serio", 0); | 147 | return -ENXIO; |
| 148 | |||
| 149 | err = devm_request_irq(&pdev->dev, irq, ams_delta_serio_interrupt, | ||
| 150 | IRQ_TYPE_EDGE_RISING, DRIVER_NAME, priv); | ||
| 158 | if (err < 0) { | 151 | if (err < 0) { |
| 159 | pr_err("ams_delta_serio: couldn't request gpio interrupt %d\n", | 152 | dev_err(&pdev->dev, "IRQ request failed (%d)\n", err); |
| 160 | gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK)); | 153 | return err; |
| 161 | goto gpio; | ||
| 162 | } | 154 | } |
| 163 | /* | ||
| 164 | * Since GPIO register handling for keyboard clock pin is performed | ||
| 165 | * at FIQ level, switch back from edge to simple interrupt handler | ||
| 166 | * to avoid bad interaction. | ||
| 167 | */ | ||
| 168 | irq_set_handler(gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK), | ||
| 169 | handle_simple_irq); | ||
| 170 | 155 | ||
| 171 | serio_register_port(ams_delta_serio); | 156 | serio = kzalloc(sizeof(*serio), GFP_KERNEL); |
| 172 | dev_info(&ams_delta_serio->dev, "%s\n", ams_delta_serio->name); | 157 | if (!serio) |
| 158 | return -ENOMEM; | ||
| 159 | |||
| 160 | priv->serio = serio; | ||
| 161 | |||
| 162 | serio->id.type = SERIO_8042; | ||
| 163 | serio->open = ams_delta_serio_open; | ||
| 164 | serio->close = ams_delta_serio_close; | ||
| 165 | strlcpy(serio->name, "AMS DELTA keyboard adapter", sizeof(serio->name)); | ||
| 166 | strlcpy(serio->phys, dev_name(&pdev->dev), sizeof(serio->phys)); | ||
| 167 | serio->dev.parent = &pdev->dev; | ||
| 168 | serio->port_data = priv; | ||
| 169 | |||
| 170 | serio_register_port(serio); | ||
| 171 | |||
| 172 | platform_set_drvdata(pdev, priv); | ||
| 173 | |||
| 174 | dev_info(&serio->dev, "%s\n", serio->name); | ||
| 173 | 175 | ||
| 174 | return 0; | 176 | return 0; |
| 175 | gpio: | ||
| 176 | gpio_free_array(ams_delta_gpios, | ||
| 177 | ARRAY_SIZE(ams_delta_gpios)); | ||
| 178 | serio: | ||
| 179 | kfree(ams_delta_serio); | ||
| 180 | return err; | ||
| 181 | } | 177 | } |
| 182 | module_init(ams_delta_serio_init); | ||
| 183 | 178 | ||
| 184 | static void __exit ams_delta_serio_exit(void) | 179 | static int ams_delta_serio_exit(struct platform_device *pdev) |
| 185 | { | 180 | { |
| 186 | serio_unregister_port(ams_delta_serio); | 181 | struct ams_delta_serio *priv = platform_get_drvdata(pdev); |
| 187 | free_irq(gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK), 0); | 182 | |
| 188 | gpio_free_array(ams_delta_gpios, | 183 | serio_unregister_port(priv->serio); |
| 189 | ARRAY_SIZE(ams_delta_gpios)); | 184 | |
| 185 | return 0; | ||
| 190 | } | 186 | } |
| 191 | module_exit(ams_delta_serio_exit); | 187 | |
| 188 | static struct platform_driver ams_delta_serio_driver = { | ||
| 189 | .probe = ams_delta_serio_init, | ||
| 190 | .remove = ams_delta_serio_exit, | ||
| 191 | .driver = { | ||
| 192 | .name = DRIVER_NAME | ||
| 193 | }, | ||
| 194 | }; | ||
| 195 | module_platform_driver(ams_delta_serio_driver); | ||
diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c index 05157442a980..b1b53f6c452f 100644 --- a/drivers/net/ethernet/smsc/smc911x.c +++ b/drivers/net/ethernet/smsc/smc911x.c | |||
| @@ -74,7 +74,6 @@ static const char version[] = | |||
| 74 | #include <linux/skbuff.h> | 74 | #include <linux/skbuff.h> |
| 75 | 75 | ||
| 76 | #include <linux/dmaengine.h> | 76 | #include <linux/dmaengine.h> |
| 77 | #include <linux/dma/pxa-dma.h> | ||
| 78 | 77 | ||
| 79 | #include <asm/io.h> | 78 | #include <asm/io.h> |
| 80 | 79 | ||
| @@ -1795,7 +1794,6 @@ static int smc911x_probe(struct net_device *dev) | |||
| 1795 | #ifdef SMC_USE_DMA | 1794 | #ifdef SMC_USE_DMA |
| 1796 | struct dma_slave_config config; | 1795 | struct dma_slave_config config; |
| 1797 | dma_cap_mask_t mask; | 1796 | dma_cap_mask_t mask; |
| 1798 | struct pxad_param param; | ||
| 1799 | #endif | 1797 | #endif |
| 1800 | 1798 | ||
| 1801 | DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__); | 1799 | DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__); |
| @@ -1971,15 +1969,8 @@ static int smc911x_probe(struct net_device *dev) | |||
| 1971 | 1969 | ||
| 1972 | dma_cap_zero(mask); | 1970 | dma_cap_zero(mask); |
| 1973 | dma_cap_set(DMA_SLAVE, mask); | 1971 | dma_cap_set(DMA_SLAVE, mask); |
| 1974 | param.prio = PXAD_PRIO_LOWEST; | 1972 | lp->rxdma = dma_request_channel(mask, NULL, NULL); |
| 1975 | param.drcmr = -1UL; | 1973 | lp->txdma = dma_request_channel(mask, NULL, NULL); |
| 1976 | |||
| 1977 | lp->rxdma = | ||
| 1978 | dma_request_slave_channel_compat(mask, pxad_filter_fn, | ||
| 1979 | ¶m, &dev->dev, "rx"); | ||
| 1980 | lp->txdma = | ||
| 1981 | dma_request_slave_channel_compat(mask, pxad_filter_fn, | ||
| 1982 | ¶m, &dev->dev, "tx"); | ||
| 1983 | lp->rxdma_active = 0; | 1974 | lp->rxdma_active = 0; |
| 1984 | lp->txdma_active = 0; | 1975 | lp->txdma_active = 0; |
| 1985 | 1976 | ||
diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c index 080428762858..b944828f9ea3 100644 --- a/drivers/net/ethernet/smsc/smc91x.c +++ b/drivers/net/ethernet/smsc/smc91x.c | |||
| @@ -2019,17 +2019,10 @@ static int smc_probe(struct net_device *dev, void __iomem *ioaddr, | |||
| 2019 | # endif | 2019 | # endif |
| 2020 | if (lp->cfg.flags & SMC91X_USE_DMA) { | 2020 | if (lp->cfg.flags & SMC91X_USE_DMA) { |
| 2021 | dma_cap_mask_t mask; | 2021 | dma_cap_mask_t mask; |
| 2022 | struct pxad_param param; | ||
| 2023 | 2022 | ||
| 2024 | dma_cap_zero(mask); | 2023 | dma_cap_zero(mask); |
| 2025 | dma_cap_set(DMA_SLAVE, mask); | 2024 | dma_cap_set(DMA_SLAVE, mask); |
| 2026 | param.prio = PXAD_PRIO_LOWEST; | 2025 | lp->dma_chan = dma_request_channel(mask, NULL, NULL); |
| 2027 | param.drcmr = -1UL; | ||
| 2028 | |||
| 2029 | lp->dma_chan = | ||
| 2030 | dma_request_slave_channel_compat(mask, pxad_filter_fn, | ||
| 2031 | ¶m, &dev->dev, | ||
| 2032 | "data"); | ||
| 2033 | } | 2026 | } |
| 2034 | #endif | 2027 | #endif |
| 2035 | 2028 | ||
diff --git a/drivers/net/ethernet/smsc/smc91x.h b/drivers/net/ethernet/smsc/smc91x.h index b337ee97e0c0..a27352229fc2 100644 --- a/drivers/net/ethernet/smsc/smc91x.h +++ b/drivers/net/ethernet/smsc/smc91x.h | |||
| @@ -301,7 +301,6 @@ struct smc_local { | |||
| 301 | * as RX which can overrun memory and lose packets. | 301 | * as RX which can overrun memory and lose packets. |
| 302 | */ | 302 | */ |
| 303 | #include <linux/dma-mapping.h> | 303 | #include <linux/dma-mapping.h> |
| 304 | #include <linux/dma/pxa-dma.h> | ||
| 305 | 304 | ||
| 306 | #ifdef SMC_insl | 305 | #ifdef SMC_insl |
| 307 | #undef SMC_insl | 306 | #undef SMC_insl |
diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile index 7dc0f20d7907..c37b0803c1b6 100644 --- a/drivers/soc/renesas/Makefile +++ b/drivers/soc/renesas/Makefile | |||
| @@ -18,6 +18,9 @@ obj-$(CONFIG_SYSC_R8A77970) += r8a77970-sysc.o | |||
| 18 | obj-$(CONFIG_SYSC_R8A77980) += r8a77980-sysc.o | 18 | obj-$(CONFIG_SYSC_R8A77980) += r8a77980-sysc.o |
| 19 | obj-$(CONFIG_SYSC_R8A77990) += r8a77990-sysc.o | 19 | obj-$(CONFIG_SYSC_R8A77990) += r8a77990-sysc.o |
| 20 | obj-$(CONFIG_SYSC_R8A77995) += r8a77995-sysc.o | 20 | obj-$(CONFIG_SYSC_R8A77995) += r8a77995-sysc.o |
| 21 | ifdef CONFIG_SMP | ||
| 22 | obj-$(CONFIG_ARCH_R9A06G032) += r9a06g032-smp.o | ||
| 23 | endif | ||
| 21 | 24 | ||
| 22 | # Family | 25 | # Family |
| 23 | obj-$(CONFIG_RST_RCAR) += rcar-rst.o | 26 | obj-$(CONFIG_RST_RCAR) += rcar-rst.o |
diff --git a/drivers/soc/renesas/r9a06g032-smp.c b/drivers/soc/renesas/r9a06g032-smp.c new file mode 100644 index 000000000000..a1926e8d73f2 --- /dev/null +++ b/drivers/soc/renesas/r9a06g032-smp.c | |||
| @@ -0,0 +1,96 @@ | |||
| 1 | // SPDX-License-Identifier: GPL-2.0 | ||
| 2 | /* | ||
| 3 | * R9A06G032 Second CA7 enabler. | ||
| 4 | * | ||
| 5 | * Copyright (C) 2018 Renesas Electronics Europe Limited | ||
| 6 | * | ||
| 7 | * Michel Pollet <michel.pollet@bp.renesas.com>, <buserror@gmail.com> | ||
| 8 | * Derived from actions,s500-smp | ||
| 9 | */ | ||
| 10 | |||
| 11 | #include <linux/io.h> | ||
| 12 | #include <linux/of.h> | ||
| 13 | #include <linux/of_address.h> | ||
| 14 | #include <linux/smp.h> | ||
| 15 | |||
| 16 | /* | ||
| 17 | * The second CPU is parked in ROM at boot time. It requires waking it after | ||
| 18 | * writing an address into the BOOTADDR register of sysctrl. | ||
| 19 | * | ||
| 20 | * So the default value of the "cpu-release-addr" corresponds to BOOTADDR... | ||
| 21 | * | ||
| 22 | * *However* the BOOTADDR register is not available when the kernel | ||
| 23 | * starts in NONSEC mode. | ||
| 24 | * | ||
| 25 | * So for NONSEC mode, the bootloader re-parks the second CPU into a pen | ||
| 26 | * in SRAM, and changes the "cpu-release-addr" of linux's DT to a SRAM address, | ||
| 27 | * which is not restricted. | ||
| 28 | */ | ||
| 29 | |||
| 30 | static void __iomem *cpu_bootaddr; | ||
| 31 | |||
| 32 | static DEFINE_SPINLOCK(cpu_lock); | ||
| 33 | |||
| 34 | static int | ||
| 35 | r9a06g032_smp_boot_secondary(unsigned int cpu, | ||
| 36 | struct task_struct *idle) | ||
| 37 | { | ||
| 38 | if (!cpu_bootaddr) | ||
| 39 | return -ENODEV; | ||
| 40 | |||
| 41 | spin_lock(&cpu_lock); | ||
| 42 | |||
| 43 | writel(__pa_symbol(secondary_startup), cpu_bootaddr); | ||
| 44 | arch_send_wakeup_ipi_mask(cpumask_of(cpu)); | ||
| 45 | |||
| 46 | spin_unlock(&cpu_lock); | ||
| 47 | |||
| 48 | return 0; | ||
| 49 | } | ||
| 50 | |||
| 51 | static void __init r9a06g032_smp_prepare_cpus(unsigned int max_cpus) | ||
| 52 | { | ||
| 53 | struct device_node *dn; | ||
| 54 | int ret = -EINVAL, dns; | ||
| 55 | u32 bootaddr; | ||
| 56 | |||
| 57 | dn = of_get_cpu_node(1, NULL); | ||
| 58 | if (!dn) { | ||
| 59 | pr_err("CPU#1: missing device tree node\n"); | ||
| 60 | return; | ||
| 61 | } | ||
| 62 | /* | ||
| 63 | * Determine the address from which the CPU is polling. | ||
| 64 | * The bootloader *does* change this property. | ||
| 65 | * Note: The property can be either 64 or 32 bits, so handle both cases | ||
| 66 | */ | ||
| 67 | if (of_find_property(dn, "cpu-release-addr", &dns)) { | ||
| 68 | if (dns == sizeof(u64)) { | ||
| 69 | u64 temp; | ||
| 70 | |||
| 71 | ret = of_property_read_u64(dn, | ||
| 72 | "cpu-release-addr", &temp); | ||
| 73 | bootaddr = temp; | ||
| 74 | } else { | ||
| 75 | ret = of_property_read_u32(dn, | ||
| 76 | "cpu-release-addr", | ||
| 77 | &bootaddr); | ||
| 78 | } | ||
| 79 | } | ||
| 80 | of_node_put(dn); | ||
| 81 | if (ret) { | ||
| 82 | pr_err("CPU#1: invalid cpu-release-addr property\n"); | ||
| 83 | return; | ||
| 84 | } | ||
| 85 | pr_info("CPU#1: cpu-release-addr %08x\n", bootaddr); | ||
| 86 | |||
| 87 | cpu_bootaddr = ioremap(bootaddr, sizeof(bootaddr)); | ||
| 88 | } | ||
| 89 | |||
| 90 | static const struct smp_operations r9a06g032_smp_ops __initconst = { | ||
| 91 | .smp_prepare_cpus = r9a06g032_smp_prepare_cpus, | ||
| 92 | .smp_boot_secondary = r9a06g032_smp_boot_secondary, | ||
| 93 | }; | ||
| 94 | |||
| 95 | CPU_METHOD_OF_DECLARE(r9a06g032_smp, | ||
| 96 | "renesas,r9a06g032-smp", &r9a06g032_smp_ops); | ||
diff --git a/drivers/soc/renesas/rcar-sysc.c b/drivers/soc/renesas/rcar-sysc.c index 50d03d8b4f9a..029188e8be6e 100644 --- a/drivers/soc/renesas/rcar-sysc.c +++ b/drivers/soc/renesas/rcar-sysc.c | |||
| @@ -58,6 +58,12 @@ | |||
| 58 | 58 | ||
| 59 | #define RCAR_PD_ALWAYS_ON 32 /* Always-on power area */ | 59 | #define RCAR_PD_ALWAYS_ON 32 /* Always-on power area */ |
| 60 | 60 | ||
| 61 | struct rcar_sysc_ch { | ||
| 62 | u16 chan_offs; | ||
| 63 | u8 chan_bit; | ||
| 64 | u8 isr_bit; | ||
| 65 | }; | ||
| 66 | |||
| 61 | static void __iomem *rcar_sysc_base; | 67 | static void __iomem *rcar_sysc_base; |
| 62 | static DEFINE_SPINLOCK(rcar_sysc_lock); /* SMP CPUs + I/O devices */ | 68 | static DEFINE_SPINLOCK(rcar_sysc_lock); /* SMP CPUs + I/O devices */ |
| 63 | 69 | ||
| @@ -143,12 +149,12 @@ static int rcar_sysc_power(const struct rcar_sysc_ch *sysc_ch, bool on) | |||
| 143 | return ret; | 149 | return ret; |
| 144 | } | 150 | } |
| 145 | 151 | ||
| 146 | int rcar_sysc_power_down(const struct rcar_sysc_ch *sysc_ch) | 152 | static int rcar_sysc_power_down(const struct rcar_sysc_ch *sysc_ch) |
| 147 | { | 153 | { |
| 148 | return rcar_sysc_power(sysc_ch, false); | 154 | return rcar_sysc_power(sysc_ch, false); |
| 149 | } | 155 | } |
| 150 | 156 | ||
| 151 | int rcar_sysc_power_up(const struct rcar_sysc_ch *sysc_ch) | 157 | static int rcar_sysc_power_up(const struct rcar_sysc_ch *sysc_ch) |
| 152 | { | 158 | { |
| 153 | return rcar_sysc_power(sysc_ch, true); | 159 | return rcar_sysc_power(sysc_ch, true); |
| 154 | } | 160 | } |
| @@ -315,6 +321,8 @@ struct rcar_pm_domains { | |||
| 315 | struct generic_pm_domain *domains[RCAR_PD_ALWAYS_ON + 1]; | 321 | struct generic_pm_domain *domains[RCAR_PD_ALWAYS_ON + 1]; |
| 316 | }; | 322 | }; |
| 317 | 323 | ||
| 324 | static struct genpd_onecell_data *rcar_sysc_onecell_data; | ||
| 325 | |||
| 318 | static int __init rcar_sysc_pd_init(void) | 326 | static int __init rcar_sysc_pd_init(void) |
| 319 | { | 327 | { |
| 320 | const struct rcar_sysc_info *info; | 328 | const struct rcar_sysc_info *info; |
| @@ -326,9 +334,6 @@ static int __init rcar_sysc_pd_init(void) | |||
| 326 | unsigned int i; | 334 | unsigned int i; |
| 327 | int error; | 335 | int error; |
| 328 | 336 | ||
| 329 | if (rcar_sysc_base) | ||
| 330 | return 0; | ||
| 331 | |||
| 332 | np = of_find_matching_node_and_match(NULL, rcar_sysc_matches, &match); | 337 | np = of_find_matching_node_and_match(NULL, rcar_sysc_matches, &match); |
| 333 | if (!np) | 338 | if (!np) |
| 334 | return -ENODEV; | 339 | return -ENODEV; |
| @@ -361,6 +366,7 @@ static int __init rcar_sysc_pd_init(void) | |||
| 361 | 366 | ||
| 362 | domains->onecell_data.domains = domains->domains; | 367 | domains->onecell_data.domains = domains->domains; |
| 363 | domains->onecell_data.num_domains = ARRAY_SIZE(domains->domains); | 368 | domains->onecell_data.num_domains = ARRAY_SIZE(domains->domains); |
| 369 | rcar_sysc_onecell_data = &domains->onecell_data; | ||
| 364 | 370 | ||
| 365 | for (i = 0, syscier = 0; i < info->num_areas; i++) | 371 | for (i = 0, syscier = 0; i < info->num_areas; i++) |
| 366 | syscier |= BIT(info->areas[i].isr_bit); | 372 | syscier |= BIT(info->areas[i].isr_bit); |
| @@ -448,27 +454,39 @@ void __init rcar_sysc_nullify(struct rcar_sysc_area *areas, | |||
| 448 | } | 454 | } |
| 449 | } | 455 | } |
| 450 | 456 | ||
| 451 | void __init rcar_sysc_init(phys_addr_t base, u32 syscier) | 457 | #ifdef CONFIG_ARCH_R8A7779 |
| 458 | static int rcar_sysc_power_cpu(unsigned int idx, bool on) | ||
| 452 | { | 459 | { |
| 453 | u32 syscimr; | 460 | struct generic_pm_domain *genpd; |
| 461 | struct rcar_sysc_pd *pd; | ||
| 462 | unsigned int i; | ||
| 454 | 463 | ||
| 455 | if (!rcar_sysc_pd_init()) | 464 | if (!rcar_sysc_onecell_data) |
| 456 | return; | 465 | return -ENODEV; |
| 457 | 466 | ||
| 458 | rcar_sysc_base = ioremap_nocache(base, PAGE_SIZE); | 467 | for (i = 0; i < rcar_sysc_onecell_data->num_domains; i++) { |
| 468 | genpd = rcar_sysc_onecell_data->domains[i]; | ||
| 469 | if (!genpd) | ||
| 470 | continue; | ||
| 459 | 471 | ||
| 460 | /* | 472 | pd = to_rcar_pd(genpd); |
| 461 | * Mask all interrupt sources to prevent the CPU from receiving them. | 473 | if (!(pd->flags & PD_CPU) || pd->ch.chan_bit != idx) |
| 462 | * Make sure not to clear reserved bits that were set before. | 474 | continue; |
| 463 | */ | ||
| 464 | syscimr = ioread32(rcar_sysc_base + SYSCIMR); | ||
| 465 | syscimr |= syscier; | ||
| 466 | pr_debug("%s: syscimr = 0x%08x\n", __func__, syscimr); | ||
| 467 | iowrite32(syscimr, rcar_sysc_base + SYSCIMR); | ||
| 468 | 475 | ||
| 469 | /* | 476 | return on ? rcar_sysc_power_up(&pd->ch) |
| 470 | * SYSC needs all interrupt sources enabled to control power. | 477 | : rcar_sysc_power_down(&pd->ch); |
| 471 | */ | 478 | } |
| 472 | pr_debug("%s: syscier = 0x%08x\n", __func__, syscier); | 479 | |
| 473 | iowrite32(syscier, rcar_sysc_base + SYSCIER); | 480 | return -ENOENT; |
| 481 | } | ||
| 482 | |||
| 483 | int rcar_sysc_power_down_cpu(unsigned int cpu) | ||
| 484 | { | ||
| 485 | return rcar_sysc_power_cpu(cpu, false); | ||
| 486 | } | ||
| 487 | |||
| 488 | int rcar_sysc_power_up_cpu(unsigned int cpu) | ||
| 489 | { | ||
| 490 | return rcar_sysc_power_cpu(cpu, true); | ||
| 474 | } | 491 | } |
| 492 | #endif /* CONFIG_ARCH_R8A7779 */ | ||
diff --git a/drivers/soc/ti/pm33xx.c b/drivers/soc/ti/pm33xx.c index 652739c7f718..d0dab323651f 100644 --- a/drivers/soc/ti/pm33xx.c +++ b/drivers/soc/ti/pm33xx.c | |||
| @@ -41,6 +41,8 @@ static struct am33xx_pm_sram_addr *pm_sram; | |||
| 41 | static struct device *pm33xx_dev; | 41 | static struct device *pm33xx_dev; |
| 42 | static struct wkup_m3_ipc *m3_ipc; | 42 | static struct wkup_m3_ipc *m3_ipc; |
| 43 | 43 | ||
| 44 | static unsigned long suspend_wfi_flags; | ||
| 45 | |||
| 44 | static u32 sram_suspend_address(unsigned long addr) | 46 | static u32 sram_suspend_address(unsigned long addr) |
| 45 | { | 47 | { |
| 46 | return ((unsigned long)am33xx_do_wfi_sram + | 48 | return ((unsigned long)am33xx_do_wfi_sram + |
| @@ -53,7 +55,7 @@ static int am33xx_pm_suspend(suspend_state_t suspend_state) | |||
| 53 | int i, ret = 0; | 55 | int i, ret = 0; |
| 54 | 56 | ||
| 55 | ret = pm_ops->soc_suspend((unsigned long)suspend_state, | 57 | ret = pm_ops->soc_suspend((unsigned long)suspend_state, |
| 56 | am33xx_do_wfi_sram); | 58 | am33xx_do_wfi_sram, suspend_wfi_flags); |
| 57 | 59 | ||
| 58 | if (ret) { | 60 | if (ret) { |
| 59 | dev_err(pm33xx_dev, "PM: Kernel suspend failure\n"); | 61 | dev_err(pm33xx_dev, "PM: Kernel suspend failure\n"); |
| @@ -227,6 +229,7 @@ static int am33xx_push_sram_idle(void) | |||
| 227 | ro_sram_data.amx3_pm_sram_data_virt = ocmcram_location_data; | 229 | ro_sram_data.amx3_pm_sram_data_virt = ocmcram_location_data; |
| 228 | ro_sram_data.amx3_pm_sram_data_phys = | 230 | ro_sram_data.amx3_pm_sram_data_phys = |
| 229 | gen_pool_virt_to_phys(sram_pool_data, ocmcram_location_data); | 231 | gen_pool_virt_to_phys(sram_pool_data, ocmcram_location_data); |
| 232 | ro_sram_data.rtc_base_virt = pm_ops->get_rtc_base_addr(); | ||
| 230 | 233 | ||
| 231 | /* Save physical address to calculate resume offset during pm init */ | 234 | /* Save physical address to calculate resume offset during pm init */ |
| 232 | am33xx_do_wfi_sram_phys = gen_pool_virt_to_phys(sram_pool, | 235 | am33xx_do_wfi_sram_phys = gen_pool_virt_to_phys(sram_pool, |
| @@ -310,6 +313,17 @@ static int am33xx_pm_probe(struct platform_device *pdev) | |||
| 310 | suspend_set_ops(&am33xx_pm_ops); | 313 | suspend_set_ops(&am33xx_pm_ops); |
| 311 | #endif /* CONFIG_SUSPEND */ | 314 | #endif /* CONFIG_SUSPEND */ |
| 312 | 315 | ||
| 316 | /* | ||
| 317 | * For a system suspend we must flush the caches, we want | ||
| 318 | * the DDR in self-refresh, we want to save the context | ||
| 319 | * of the EMIF, and we want the wkup_m3 to handle low-power | ||
| 320 | * transition. | ||
| 321 | */ | ||
| 322 | suspend_wfi_flags |= WFI_FLAG_FLUSH_CACHE; | ||
| 323 | suspend_wfi_flags |= WFI_FLAG_SELF_REFRESH; | ||
| 324 | suspend_wfi_flags |= WFI_FLAG_SAVE_EMIF; | ||
| 325 | suspend_wfi_flags |= WFI_FLAG_WAKE_M3; | ||
| 326 | |||
| 313 | ret = pm_ops->init(); | 327 | ret = pm_ops->init(); |
| 314 | if (ret) { | 328 | if (ret) { |
| 315 | dev_err(dev, "Unable to call core pm init!\n"); | 329 | dev_err(dev, "Unable to call core pm init!\n"); |
