perf/tool: Add conditional branch filter 'cond' to perf record

[cascardo/linux.git] / drivers / pinctrl / pinctrl-tegra.c

diff --git a/drivers/pinctrl/pinctrl-tegra.c b/drivers/pinctrl/pinctrl-tegra.c
index e767355..6545809 100644 (file)
--- a/drivers/pinctrl/pinctrl-tegra.c
+++ b/drivers/pinctrl/pinctrl-tegra.c
@@ -39,6 +39,7 @@ struct tegra_pmx {
        struct pinctrl_dev *pctl;
 
        const struct tegra_pinctrl_soc_data *soc;
+       const char **group_pins;
 
        int nbanks;
        void __iomem **regs;
@@ -620,6 +621,8 @@ int tegra_pinctrl_probe(struct platform_device *pdev,
        struct tegra_pmx *pmx;
        struct resource *res;
        int i;
+       const char **group_pins;
+       int fn, gn, gfn;
 
        pmx = devm_kzalloc(&pdev->dev, sizeof(*pmx), GFP_KERNEL);
        if (!pmx) {
@@ -629,6 +632,41 @@ int tegra_pinctrl_probe(struct platform_device *pdev,
        pmx->dev = &pdev->dev;
        pmx->soc = soc_data;
 
+       /*
+        * Each mux group will appear in 4 functions' list of groups.
+        * This over-allocates slightly, since not all groups are mux groups.
+        */
+       pmx->group_pins = devm_kzalloc(&pdev->dev,
+               soc_data->ngroups * 4 * sizeof(*pmx->group_pins),
+               GFP_KERNEL);
+       if (!pmx->group_pins)
+               return -ENOMEM;
+
+       group_pins = pmx->group_pins;
+       for (fn = 0; fn < soc_data->nfunctions; fn++) {
+               struct tegra_function *func = &soc_data->functions[fn];
+
+               func->groups = group_pins;
+
+               for (gn = 0; gn < soc_data->ngroups; gn++) {
+                       const struct tegra_pingroup *g = &soc_data->groups[gn];
+
+                       if (g->mux_reg == -1)
+                               continue;
+
+                       for (gfn = 0; gfn < 4; gfn++)
+                               if (g->funcs[gfn] == fn)
+                                       break;
+                       if (gfn == 4)
+                               continue;
+
+                       BUG_ON(group_pins - pmx->group_pins >=
+                               soc_data->ngroups * 4);
+                       *group_pins++ = g->name;
+                       func->ngroups++;
+               }
+       }
+
        tegra_pinctrl_gpio_range.npins = pmx->soc->ngpios;
        tegra_pinctrl_desc.name = dev_name(&pdev->dev);
        tegra_pinctrl_desc.pins = pmx->soc->pins;