Merge remote-tracking branches 'asoc/fix/atmel', 'asoc/fix/fsl', 'asoc/fix/tegra...

[linux-drm-fsl-dcu.git] / arch / arm / mach-omap2 / gpmc.c

diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 81de56251955a7bf82b7f4ce3b03ffcd3333fd5e..d24926e6340fa714cf0aeacca14a6578e5b481a4 100644 (file)
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -1501,6 +1501,22 @@ static int gpmc_probe_generic_child(struct platform_device *pdev,
                return ret;
        }
 
+       /*
+        * For some GPMC devices we still need to rely on the bootloader
+        * timings because the devices can be connected via FPGA. So far
+        * the list is smc91x on the omap2 SDP boards, and 8250 on zooms.
+        * REVISIT: Add timing support from slls644g.pdf and from the
+        * lan91c96 manual.
+        */
+       if (of_device_is_compatible(child, "ns16550a") ||
+           of_device_is_compatible(child, "smsc,lan91c94") ||
+           of_device_is_compatible(child, "smsc,lan91c111")) {
+               dev_warn(&pdev->dev,
+                        "%s using bootloader timings on CS%d\n",
+                        child->name, cs);
+               goto no_timings;
+       }
+
        /*
         * FIXME: gpmc_cs_request() will map the CS to an arbitary
         * location in the gpmc address space. When booting with
@@ -1529,6 +1545,7 @@ static int gpmc_probe_generic_child(struct platform_device *pdev,
        gpmc_read_timings_dt(child, &gpmc_t);
        gpmc_cs_set_timings(cs, &gpmc_t);
 
+no_timings:
        if (of_platform_device_create(child, NULL, &pdev->dev))
                return 0;
 
@@ -1541,42 +1558,6 @@ err:
        return ret;
 }
 
-/*
- * REVISIT: Add timing support from slls644g.pdf
- */
-static int gpmc_probe_8250(struct platform_device *pdev,
-                               struct device_node *child)
-{
-       struct resource res;
-       unsigned long base;
-       int ret, cs;
-
-       if (of_property_read_u32(child, "reg", &cs) < 0) {
-               dev_err(&pdev->dev, "%s has no 'reg' property\n",
-                       child->full_name);
-               return -ENODEV;
-       }
-
-       if (of_address_to_resource(child, 0, &res) < 0) {
-               dev_err(&pdev->dev, "%s has malformed 'reg' property\n",
-                       child->full_name);
-               return -ENODEV;
-       }
-
-       ret = gpmc_cs_request(cs, resource_size(&res), &base);
-       if (ret < 0) {
-               dev_err(&pdev->dev, "cannot request GPMC CS %d\n", cs);
-               return ret;
-       }
-
-       if (of_platform_device_create(child, NULL, &pdev->dev))
-               return 0;
-
-       dev_err(&pdev->dev, "failed to create gpmc child %s\n", child->name);
-
-       return -ENODEV;
-}
-
 static int gpmc_probe_dt(struct platform_device *pdev)
 {
        int ret;
@@ -1618,10 +1599,9 @@ static int gpmc_probe_dt(struct platform_device *pdev)
                else if (of_node_cmp(child->name, "onenand") == 0)
                        ret = gpmc_probe_onenand_child(pdev, child);
                else if (of_node_cmp(child->name, "ethernet") == 0 ||
-                        of_node_cmp(child->name, "nor") == 0)
+                        of_node_cmp(child->name, "nor") == 0 ||
+                        of_node_cmp(child->name, "uart") == 0)
                        ret = gpmc_probe_generic_child(pdev, child);
-               else if (of_node_cmp(child->name, "8250") == 0)
-                       ret = gpmc_probe_8250(pdev, child);
 
                if (WARN(ret < 0, "%s: probing gpmc child %s failed\n",
                         __func__, child->full_name))