pata_octeon_cf: use of_property_read_{bool|u32}()

The Octeon CF driver basically  open-codes of_property_read_{bool|u32}()
using  of_{find|get}_property() calls in its  probe() method.  Using the
modern DT APIs saves 2 LoCs and 16 bytes of object code (MIPS gcc 3.4.3).

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

1 files changed, 4 insertions, 6 deletions

diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c
index 1ba03d6df951..d3d851b014a3 100644
--- a/drivers/ata/pata_octeon_cf.c
+++ b/drivers/ata/pata_octeon_cf.c
@@ -840,7 +840,6 @@ static int octeon_cf_probe(struct platform_device *pdev)
         struct property *reg_prop;
         int n_addr, n_size, reg_len;
         struct device_node *node;
-        const void *prop;
         void __iomem *cs0;
         void __iomem *cs1 = NULL;
         struct ata_host *host;
@@ -850,7 +849,7 @@ static int octeon_cf_probe(struct platform_device *pdev)
         void __iomem *base;
         struct octeon_cf_port *cf_port;
         int rv = -ENOMEM;
-
+        u32 bus_width;
 
         node = pdev->dev.of_node;
         if (node == NULL)
@@ -860,11 +859,10 @@ static int octeon_cf_probe(struct platform_device *pdev)
         if (!cf_port)
                 return -ENOMEM;
 
-        cf_port->is_true_ide = (of_find_property(node, "cavium,true-ide", NULL) != NULL);
+        cf_port->is_true_ide = of_property_read_bool(node, "cavium,true-ide");
 
-        prop = of_get_property(node, "cavium,bus-width", NULL);
-        if (prop)
-                is_16bit = (be32_to_cpup(prop) == 16);
+        if (of_property_read_u32(node, "cavium,bus-width", &bus_width) == 0)
+                is_16bit = (bus_width == 16);
         else
                 is_16bit = false;