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authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-23 22:52:46 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-23 22:52:46 +0200
commitf3ea496213819c80ce9c49a9b65f9261da713d11 (patch)
tree1c8fad9c5c609504c2916ad3844494093f89f8f1 /drivers/soc/imx
parentMerge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/a... (diff)
parentMerge tag 'v4.18-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git... (diff)
downloadlinux-f3ea496213819c80ce9c49a9b65f9261da713d11.tar.xz
linux-f3ea496213819c80ce9c49a9b65f9261da713d11.zip
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson: "Some of the larger changes this merge window: - Removal of drivers for Exynos5440, a Samsung SoC that never saw widespread use. - Uniphier support for USB3 and SPI reset handling - Syste control and SRAM drivers and bindings for Allwinner platforms - Qualcomm AOSS (Always-on subsystem) reset controller drivers - Raspberry Pi hwmon driver for voltage - Mediatek pwrap (pmic) support for MT6797 SoC" * tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (52 commits) drivers/firmware: psci_checker: stash and use topology_core_cpumask for hotplug tests soc: fsl: cleanup Kconfig menu soc: fsl: dpio: Convert DPIO documentation to .rst staging: fsl-mc: Remove remaining files staging: fsl-mc: Move DPIO from staging to drivers/soc/fsl staging: fsl-dpaa2: eth: move generic FD defines to DPIO soc: fsl: qe: gpio: Add qe_gpio_set_multiple usb: host: exynos: Remove support for Exynos5440 clk: samsung: Remove support for Exynos5440 soc: sunxi: Add the A13, A23 and H3 system control compatibles reset: uniphier: add reset control support for SPI cpufreq: exynos: Remove support for Exynos5440 ata: ahci-platform: Remove support for Exynos5440 soc: imx6qp: Use GENPD_FLAG_ALWAYS_ON for PU errata soc: mediatek: pwrap: add mt6351 driver for mt6797 SoCs soc: mediatek: pwrap: add pwrap driver for mt6797 SoCs soc: mediatek: pwrap: fix cipher init setting error dt-bindings: pwrap: mediatek: add pwrap support for MT6797 reset: uniphier: add USB3 core reset control dt-bindings: reset: uniphier: add USB3 core reset support ...
Diffstat (limited to 'drivers/soc/imx')
-rw-r--r--drivers/soc/imx/gpc.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c
index 546960a18d60..b3da635970ea 100644
--- a/drivers/soc/imx/gpc.c
+++ b/drivers/soc/imx/gpc.c
@@ -54,7 +54,6 @@ struct imx_pm_domain {
unsigned int reg_offs;
signed char cntr_pdn_bit;
unsigned int ipg_rate_mhz;
- unsigned int flags;
};
static inline struct imx_pm_domain *
@@ -69,9 +68,6 @@ static int imx6_pm_domain_power_off(struct generic_pm_domain *genpd)
int iso, iso2sw;
u32 val;
- if (pd->flags & PGC_DOMAIN_FLAG_NO_PD)
- return -EBUSY;
-
/* Read ISO and ISO2SW power down delays */
regmap_read(pd->regmap, pd->reg_offs + GPC_PGC_PUPSCR_OFFS, &val);
iso = val & 0x3f;
@@ -295,26 +291,31 @@ static struct imx_pm_domain imx_gpc_domains[] = {
struct imx_gpc_dt_data {
int num_domains;
bool err009619_present;
+ bool err006287_present;
};
static const struct imx_gpc_dt_data imx6q_dt_data = {
.num_domains = 2,
.err009619_present = false,
+ .err006287_present = false,
};
static const struct imx_gpc_dt_data imx6qp_dt_data = {
.num_domains = 2,
.err009619_present = true,
+ .err006287_present = false,
};
static const struct imx_gpc_dt_data imx6sl_dt_data = {
.num_domains = 3,
.err009619_present = false,
+ .err006287_present = true,
};
static const struct imx_gpc_dt_data imx6sx_dt_data = {
.num_domains = 4,
.err009619_present = false,
+ .err006287_present = false,
};
static const struct of_device_id imx_gpc_dt_ids[] = {
@@ -434,8 +435,13 @@ static int imx_gpc_probe(struct platform_device *pdev)
/* Disable PU power down in normal operation if ERR009619 is present */
if (of_id_data->err009619_present)
- imx_gpc_domains[GPC_PGC_DOMAIN_PU].flags |=
- PGC_DOMAIN_FLAG_NO_PD;
+ imx_gpc_domains[GPC_PGC_DOMAIN_PU].base.flags |=
+ GENPD_FLAG_ALWAYS_ON;
+
+ /* Keep DISP always on if ERR006287 is present */
+ if (of_id_data->err006287_present)
+ imx_gpc_domains[GPC_PGC_DOMAIN_DISPLAY].base.flags |=
+ GENPD_FLAG_ALWAYS_ON;
if (!pgc_node) {
ret = imx_gpc_old_dt_init(&pdev->dev, regmap,