diff options
Diffstat (limited to 'target/linux/ipq806x/patches-4.19/0073-pinctrl-qom-use-scm_call-to-route-GPIO-irq-to-Apps.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-4.19/0073-pinctrl-qom-use-scm_call-to-route-GPIO-irq-to-Apps.patch | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/target/linux/ipq806x/patches-4.19/0073-pinctrl-qom-use-scm_call-to-route-GPIO-irq-to-Apps.patch b/target/linux/ipq806x/patches-4.19/0073-pinctrl-qom-use-scm_call-to-route-GPIO-irq-to-Apps.patch deleted file mode 100644 index 78a5bb4173..0000000000 --- a/target/linux/ipq806x/patches-4.19/0073-pinctrl-qom-use-scm_call-to-route-GPIO-irq-to-Apps.patch +++ /dev/null @@ -1,71 +0,0 @@ -From 2034addc7e193dc81d7ca60d8884832751b76758 Mon Sep 17 00:00:00 2001 -From: Ajay Kishore <akisho@codeaurora.org> -Date: Tue, 24 Jan 2017 14:14:16 +0530 -Subject: pinctrl: qcom: use scm_call to route GPIO irq to Apps - -For IPQ806x targets, TZ protects the registers that are used to -configure the routing of interrupts to a target processor. -To resolve this, this patch uses scm call to route GPIO interrupts -to application processor. Also the scm call interface is changed. - -Change-Id: Ib6c06829d04bc8c20483c36e63da92e26cdef9ce -Signed-off-by: Ajay Kishore <akisho@codeaurora.org> ---- - ---- a/drivers/pinctrl/qcom/pinctrl-msm.c -+++ b/drivers/pinctrl/qcom/pinctrl-msm.c -@@ -30,7 +30,8 @@ - #include <linux/reboot.h> - #include <linux/pm.h> - #include <linux/log2.h> -- -+#include <linux/qcom_scm.h> -+#include <linux/io.h> - #include "../core.h" - #include "../pinconf.h" - #include "pinctrl-msm.h" -@@ -628,6 +629,9 @@ static void msm_gpio_irq_mask(struct irq - const struct msm_pingroup *g; - unsigned long flags; - u32 val; -+ u32 addr; -+ int ret; -+ const __be32 *reg; - - g = &pctrl->soc->groups[d->hwirq]; - -@@ -732,11 +736,30 @@ static int msm_gpio_irq_set_type(struct - else - clear_bit(d->hwirq, pctrl->dual_edge_irqs); - -+ int ret = of_device_is_compatible(pctrl->dev->of_node, -+ "qcom,ipq8064-pinctrl"); - /* Route interrupts to application cpu */ -- val = readl(pctrl->regs + g->intr_target_reg); -- val &= ~(7 << g->intr_target_bit); -- val |= g->intr_target_kpss_val << g->intr_target_bit; -- writel(val, pctrl->regs + g->intr_target_reg); -+ if (!ret) { -+ val = readl(pctrl->regs + g->intr_target_reg); -+ val &= ~(7 << g->intr_target_bit); -+ val |= g->intr_target_kpss_val << g->intr_target_bit; -+ writel(val, pctrl->regs + g->intr_target_reg); -+ } else { -+ const __be32 *reg = of_get_property(pctrl->dev->of_node, "reg", NULL); -+ if (reg) { -+ u32 addr = be32_to_cpup(reg) + g->intr_target_reg; -+ qcom_scm_io_readl(addr, &val); -+ __iormb(); -+ -+ val &= ~(7 << g->intr_target_bit); -+ val |= g->intr_target_kpss_val << g->intr_target_bit; -+ -+ __iowmb(); -+ ret = qcom_scm_io_writel(addr, val); -+ if (ret) -+ pr_err("\n Routing interrupts to Apps proc failed"); -+ } -+ } - - /* Update configuration for gpio. - * RAW_STATUS_EN is left on for all gpio irqs. Due to the |