diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/805-v5.15-0002-nvmem-qfprom-sc7280-Handle-the-additional-power-doma.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/805-v5.15-0002-nvmem-qfprom-sc7280-Handle-the-additional-power-doma.patch | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/target/linux/generic/backport-5.10/805-v5.15-0002-nvmem-qfprom-sc7280-Handle-the-additional-power-doma.patch b/target/linux/generic/backport-5.10/805-v5.15-0002-nvmem-qfprom-sc7280-Handle-the-additional-power-doma.patch deleted file mode 100644 index b71edd0306..0000000000 --- a/target/linux/generic/backport-5.10/805-v5.15-0002-nvmem-qfprom-sc7280-Handle-the-additional-power-doma.patch +++ /dev/null @@ -1,89 +0,0 @@ -From 7b808449f572d07bee840cd9da7e2fe6a1b8f4b5 Mon Sep 17 00:00:00 2001 -From: Rajendra Nayak <rnayak@codeaurora.org> -Date: Fri, 6 Aug 2021 09:59:46 +0100 -Subject: [PATCH] nvmem: qfprom: sc7280: Handle the additional power-domains - vote - -On sc7280, to reliably blow fuses, we need an additional vote -on max performance state of 'MX' power-domain. -Add support for power-domain performance state voting in the -driver. - -Reviewed-by: Douglas Anderson <dianders@chromium.org> -Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org> -Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> -Link: https://lore.kernel.org/r/20210806085947.22682-4-srinivas.kandagatla@linaro.org -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - drivers/nvmem/qfprom.c | 25 +++++++++++++++++++++++++ - 1 file changed, 25 insertions(+) - ---- a/drivers/nvmem/qfprom.c -+++ b/drivers/nvmem/qfprom.c -@@ -12,6 +12,8 @@ - #include <linux/mod_devicetable.h> - #include <linux/nvmem-provider.h> - #include <linux/platform_device.h> -+#include <linux/pm_domain.h> -+#include <linux/pm_runtime.h> - #include <linux/property.h> - #include <linux/regulator/consumer.h> - -@@ -142,6 +144,9 @@ static void qfprom_disable_fuse_blowing( - writel(old->timer_val, priv->qfpconf + QFPROM_BLOW_TIMER_OFFSET); - writel(old->accel_val, priv->qfpconf + QFPROM_ACCEL_OFFSET); - -+ dev_pm_genpd_set_performance_state(priv->dev, 0); -+ pm_runtime_put(priv->dev); -+ - /* - * This may be a shared rail and may be able to run at a lower rate - * when we're not blowing fuses. At the moment, the regulator framework -@@ -212,6 +217,14 @@ static int qfprom_enable_fuse_blowing(co - goto err_clk_rate_set; - } - -+ ret = pm_runtime_get_sync(priv->dev); -+ if (ret < 0) { -+ pm_runtime_put_noidle(priv->dev); -+ dev_err(priv->dev, "Failed to enable power-domain\n"); -+ goto err_reg_enable; -+ } -+ dev_pm_genpd_set_performance_state(priv->dev, INT_MAX); -+ - old->timer_val = readl(priv->qfpconf + QFPROM_BLOW_TIMER_OFFSET); - old->accel_val = readl(priv->qfpconf + QFPROM_ACCEL_OFFSET); - writel(priv->soc_data->qfprom_blow_timer_value, -@@ -221,6 +234,8 @@ static int qfprom_enable_fuse_blowing(co - - return 0; - -+err_reg_enable: -+ regulator_disable(priv->vcc); - err_clk_rate_set: - clk_set_rate(priv->secclk, old->clk_rate); - err_clk_prepared: -@@ -320,6 +335,11 @@ static int qfprom_reg_read(void *context - return 0; - } - -+static void qfprom_runtime_disable(void *data) -+{ -+ pm_runtime_disable(data); -+} -+ - static const struct qfprom_soc_data qfprom_7_8_data = { - .accel_value = 0xD10, - .qfprom_blow_timer_value = 25, -@@ -420,6 +440,11 @@ static int qfprom_probe(struct platform_ - econfig.reg_write = qfprom_reg_write; - } - -+ pm_runtime_enable(dev); -+ ret = devm_add_action_or_reset(dev, qfprom_runtime_disable, dev); -+ if (ret) -+ return ret; -+ - nvmem = devm_nvmem_register(dev, &econfig); - - return PTR_ERR_OR_ZERO(nvmem); |